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-rw-r--r--nixos/modules/services/misc/sourcehut/builds.nix236
-rw-r--r--nixos/modules/services/misc/sourcehut/default.nix1386
-rw-r--r--nixos/modules/services/misc/sourcehut/dispatch.nix127
-rw-r--r--nixos/modules/services/misc/sourcehut/git.nix217
-rw-r--r--nixos/modules/services/misc/sourcehut/hg.nix175
-rw-r--r--nixos/modules/services/misc/sourcehut/hub.nix120
-rw-r--r--nixos/modules/services/misc/sourcehut/lists.nix187
-rw-r--r--nixos/modules/services/misc/sourcehut/man.nix124
-rw-r--r--nixos/modules/services/misc/sourcehut/meta.nix213
-rw-r--r--nixos/modules/services/misc/sourcehut/paste.nix135
-rw-r--r--nixos/modules/services/misc/sourcehut/service.nix375
-rw-r--r--nixos/modules/services/misc/sourcehut/sourcehut.xml119
-rw-r--r--nixos/modules/services/misc/sourcehut/todo.nix163
13 files changed, 3577 insertions, 0 deletions
diff --git a/nixos/modules/services/misc/sourcehut/builds.nix b/nixos/modules/services/misc/sourcehut/builds.nix
new file mode 100644
index 00000000000..685a132d350
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/builds.nix
@@ -0,0 +1,236 @@
+{ config, lib, options, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.sourcehut;
+  opt = options.services.sourcehut;
+  scfg = cfg.builds;
+  rcfg = config.services.redis;
+  iniKey = "builds.sr.ht";
+
+  drv = pkgs.sourcehut.buildsrht;
+in
+{
+  options.services.sourcehut.builds = {
+    user = mkOption {
+      type = types.str;
+      default = "buildsrht";
+      description = ''
+        User for builds.sr.ht.
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 5002;
+      description = ''
+        Port on which the "builds" module should listen.
+      '';
+    };
+
+    database = mkOption {
+      type = types.str;
+      default = "builds.sr.ht";
+      description = ''
+        PostgreSQL database name for builds.sr.ht.
+      '';
+    };
+
+    statePath = mkOption {
+      type = types.path;
+      default = "${cfg.statePath}/buildsrht";
+      defaultText = literalExpression ''"''${config.${opt.statePath}}/buildsrht"'';
+      description = ''
+        State path for builds.sr.ht.
+      '';
+    };
+
+    enableWorker = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Run workers for builds.sr.ht.
+      '';
+    };
+
+    images = mkOption {
+      type = types.attrsOf (types.attrsOf (types.attrsOf types.package));
+      default = { };
+      example = lib.literalExpression ''(let
+          # Pinning unstable to allow usage with flakes and limit rebuilds.
+          pkgs_unstable = builtins.fetchGit {
+              url = "https://github.com/NixOS/nixpkgs";
+              rev = "ff96a0fa5635770390b184ae74debea75c3fd534";
+              ref = "nixos-unstable";
+          };
+          image_from_nixpkgs = pkgs_unstable: (import ("''${pkgs.sourcehut.buildsrht}/lib/images/nixos/image.nix") {
+            pkgs = (import pkgs_unstable {});
+          });
+        in
+        {
+          nixos.unstable.x86_64 = image_from_nixpkgs pkgs_unstable;
+        }
+      )'';
+      description = ''
+        Images for builds.sr.ht. Each package should be distro.release.arch and point to a /nix/store/package/root.img.qcow2.
+      '';
+    };
+
+  };
+
+  config = with scfg; let
+    image_dirs = lib.lists.flatten (
+      lib.attrsets.mapAttrsToList
+        (distro: revs:
+          lib.attrsets.mapAttrsToList
+            (rev: archs:
+              lib.attrsets.mapAttrsToList
+                (arch: image:
+                  pkgs.runCommand "buildsrht-images" { } ''
+                    mkdir -p $out/${distro}/${rev}/${arch}
+                    ln -s ${image}/*.qcow2 $out/${distro}/${rev}/${arch}/root.img.qcow2
+                  '')
+                archs)
+            revs)
+        scfg.images);
+    image_dir_pre = pkgs.symlinkJoin {
+      name = "builds.sr.ht-worker-images-pre";
+      paths = image_dirs ++ [
+        "${pkgs.sourcehut.buildsrht}/lib/images"
+      ];
+    };
+    image_dir = pkgs.runCommand "builds.sr.ht-worker-images" { } ''
+      mkdir -p $out/images
+      cp -Lr ${image_dir_pre}/* $out/images
+    '';
+  in
+  lib.mkIf (cfg.enable && elem "builds" cfg.services) {
+    users = {
+      users = {
+        "${user}" = {
+          isSystemUser = true;
+          group = user;
+          extraGroups = lib.optionals cfg.builds.enableWorker [ "docker" ];
+          description = "builds.sr.ht user";
+        };
+      };
+
+      groups = {
+        "${user}" = { };
+      };
+    };
+
+    services.postgresql = {
+      authentication = ''
+        local ${database} ${user} trust
+      '';
+      ensureDatabases = [ database ];
+      ensureUsers = [
+        {
+          name = user;
+          ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
+        }
+      ];
+    };
+
+    systemd = {
+      tmpfiles.rules = [
+        "d ${statePath} 0755 ${user} ${user} -"
+      ] ++ (lib.optionals cfg.builds.enableWorker
+        [ "d ${statePath}/logs 0775 ${user} ${user} - -" ]
+      );
+
+      services = {
+        buildsrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey
+          {
+            after = [ "postgresql.service" "network.target" ];
+            requires = [ "postgresql.service" ];
+            wantedBy = [ "multi-user.target" ];
+
+            description = "builds.sr.ht website service";
+
+            serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
+
+            # Hack to bypass this hack: https://git.sr.ht/~sircmpwn/core.sr.ht/tree/master/item/srht-update-profiles#L6
+          } // { preStart = " "; };
+
+        buildsrht-worker = {
+          enable = scfg.enableWorker;
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+          partOf = [ "buildsrht.service" ];
+          description = "builds.sr.ht worker service";
+          path = [ pkgs.openssh pkgs.docker ];
+          preStart = let qemuPackage = pkgs.qemu_kvm;
+          in ''
+            if [[ "$(docker images -q qemu:latest 2> /dev/null)" == "" || "$(cat ${statePath}/docker-image-qemu 2> /dev/null || true)" != "${qemuPackage.version}" ]]; then
+              # Create and import qemu:latest image for docker
+              ${
+                pkgs.dockerTools.streamLayeredImage {
+                  name = "qemu";
+                  tag = "latest";
+                  contents = [ qemuPackage ];
+                }
+              } | docker load
+              # Mark down current package version
+              printf "%s" "${qemuPackage.version}" > ${statePath}/docker-image-qemu
+            fi
+          '';
+          serviceConfig = {
+            Type = "simple";
+            User = user;
+            Group = "nginx";
+            Restart = "always";
+          };
+          serviceConfig.ExecStart = "${pkgs.sourcehut.buildsrht}/bin/builds.sr.ht-worker";
+        };
+      };
+    };
+
+    services.sourcehut.settings = {
+      # URL builds.sr.ht is being served at (protocol://domain)
+      "builds.sr.ht".origin = mkDefault "http://builds.${cfg.originBase}";
+      # Address and port to bind the debug server to
+      "builds.sr.ht".debug-host = mkDefault "0.0.0.0";
+      "builds.sr.ht".debug-port = mkDefault port;
+      # Configures the SQLAlchemy connection string for the database.
+      "builds.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
+      # Set to "yes" to automatically run migrations on package upgrade.
+      "builds.sr.ht".migrate-on-upgrade = mkDefault "yes";
+      # builds.sr.ht's OAuth client ID and secret for meta.sr.ht
+      # Register your client at meta.example.org/oauth
+      "builds.sr.ht".oauth-client-id = mkDefault null;
+      "builds.sr.ht".oauth-client-secret = mkDefault null;
+      # The redis connection used for the celery worker
+      "builds.sr.ht".redis = mkDefault "redis://${rcfg.bind}:${toString rcfg.port}/3";
+      # The shell used for ssh
+      "builds.sr.ht".shell = mkDefault "runner-shell";
+      # Register the builds.sr.ht dispatcher
+      "git.sr.ht::dispatch".${builtins.unsafeDiscardStringContext "${pkgs.sourcehut.buildsrht}/bin/buildsrht-keys"} = mkDefault "${user}:${user}";
+
+      # Location for build logs, images, and control command
+    } // lib.attrsets.optionalAttrs scfg.enableWorker {
+      # Default worker stores logs that are accessible via this address:port
+      "builds.sr.ht::worker".name = mkDefault "127.0.0.1:5020";
+      "builds.sr.ht::worker".buildlogs = mkDefault "${scfg.statePath}/logs";
+      "builds.sr.ht::worker".images = mkDefault "${image_dir}/images";
+      "builds.sr.ht::worker".controlcmd = mkDefault "${image_dir}/images/control";
+      "builds.sr.ht::worker".timeout = mkDefault "3m";
+    };
+
+    services.nginx.virtualHosts."logs.${cfg.originBase}" =
+      if scfg.enableWorker then {
+        listen = with builtins; let address = split ":" cfg.settings."builds.sr.ht::worker".name;
+        in [{ addr = elemAt address 0; port = lib.toInt (elemAt address 2); }];
+        locations."/logs".root = "${scfg.statePath}";
+      } else { };
+
+    services.nginx.virtualHosts."builds.${cfg.originBase}" = {
+      forceSSL = true;
+      locations."/".proxyPass = "http://${cfg.address}:${toString port}";
+      locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
+      locations."/static".root = "${pkgs.sourcehut.buildsrht}/${pkgs.sourcehut.python.sitePackages}/buildsrht";
+    };
+  };
+}
diff --git a/nixos/modules/services/misc/sourcehut/default.nix b/nixos/modules/services/misc/sourcehut/default.nix
new file mode 100644
index 00000000000..21551d7d5f0
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/default.nix
@@ -0,0 +1,1386 @@
+{ config, pkgs, lib, ... }:
+with lib;
+let
+  inherit (config.services) nginx postfix postgresql redis;
+  inherit (config.users) users groups;
+  cfg = config.services.sourcehut;
+  domain = cfg.settings."sr.ht".global-domain;
+  settingsFormat = pkgs.formats.ini {
+    listToValue = concatMapStringsSep "," (generators.mkValueStringDefault {});
+    mkKeyValue = k: v:
+      if v == null then ""
+      else generators.mkKeyValueDefault {
+        mkValueString = v:
+          if v == true then "yes"
+          else if v == false then "no"
+          else generators.mkValueStringDefault {} v;
+      } "=" k v;
+  };
+  configIniOfService = srv: settingsFormat.generate "sourcehut-${srv}-config.ini"
+    # Each service needs access to only a subset of sections (and secrets).
+    (filterAttrs (k: v: v != null)
+    (mapAttrs (section: v:
+      let srvMatch = builtins.match "^([a-z]*)\\.sr\\.ht(::.*)?$" section; in
+      if srvMatch == null # Include sections shared by all services
+      || head srvMatch == srv # Include sections for the service being configured
+      then v
+      # Enable Web links and integrations between services.
+      else if tail srvMatch == [ null ] && elem (head srvMatch) cfg.services
+      then {
+        inherit (v) origin;
+        # mansrht crashes without it
+        oauth-client-id = v.oauth-client-id or null;
+      }
+      # Drop sub-sections of other services
+      else null)
+    (recursiveUpdate cfg.settings {
+      # Those paths are mounted using BindPaths= or BindReadOnlyPaths=
+      # for services needing access to them.
+      "builds.sr.ht::worker".buildlogs = "/var/log/sourcehut/buildsrht-worker";
+      "git.sr.ht".post-update-script = "/usr/bin/gitsrht-update-hook";
+      "git.sr.ht".repos = "/var/lib/sourcehut/gitsrht/repos";
+      "hg.sr.ht".changegroup-script = "/usr/bin/hgsrht-hook-changegroup";
+      "hg.sr.ht".repos = "/var/lib/sourcehut/hgsrht/repos";
+      # Making this a per service option despite being in a global section,
+      # so that it uses the redis-server used by the service.
+      "sr.ht".redis-host = cfg.${srv}.redis.host;
+    })));
+  commonServiceSettings = srv: {
+    origin = mkOption {
+      description = "URL ${srv}.sr.ht is being served at (protocol://domain)";
+      type = types.str;
+      default = "https://${srv}.${domain}";
+      defaultText = "https://${srv}.example.com";
+    };
+    debug-host = mkOption {
+      description = "Address to bind the debug server to.";
+      type = with types; nullOr str;
+      default = null;
+    };
+    debug-port = mkOption {
+      description = "Port to bind the debug server to.";
+      type = with types; nullOr str;
+      default = null;
+    };
+    connection-string = mkOption {
+      description = "SQLAlchemy connection string for the database.";
+      type = types.str;
+      default = "postgresql:///localhost?user=${srv}srht&host=/run/postgresql";
+    };
+    migrate-on-upgrade = mkEnableOption "automatic migrations on package upgrade" // { default = true; };
+    oauth-client-id = mkOption {
+      description = "${srv}.sr.ht's OAuth client id for meta.sr.ht.";
+      type = types.str;
+    };
+    oauth-client-secret = mkOption {
+      description = "${srv}.sr.ht's OAuth client secret for meta.sr.ht.";
+      type = types.path;
+      apply = s: "<" + toString s;
+    };
+  };
+
+  # Specialized python containing all the modules
+  python = pkgs.sourcehut.python.withPackages (ps: with ps; [
+    gunicorn
+    eventlet
+    # For monitoring Celery: sudo -u listssrht celery --app listssrht.process -b redis+socket:///run/redis-sourcehut/redis.sock?virtual_host=5 flower
+    flower
+    # Sourcehut services
+    srht
+    buildsrht
+    dispatchsrht
+    gitsrht
+    hgsrht
+    hubsrht
+    listssrht
+    mansrht
+    metasrht
+    # Not a python package
+    #pagessrht
+    pastesrht
+    todosrht
+  ]);
+  mkOptionNullOrStr = description: mkOption {
+    inherit description;
+    type = with types; nullOr str;
+    default = null;
+  };
+in
+{
+  options.services.sourcehut = {
+    enable = mkEnableOption ''
+      sourcehut - git hosting, continuous integration, mailing list, ticket tracking,
+      task dispatching, wiki and account management services
+    '';
+
+    services = mkOption {
+      type = with types; listOf (enum
+        [ "builds" "dispatch" "git" "hg" "hub" "lists" "man" "meta" "pages" "paste" "todo" ]);
+      defaultText = "locally enabled services";
+      description = ''
+        Services that may be displayed as links in the title bar of the Web interface.
+      '';
+    };
+
+    listenAddress = mkOption {
+      type = types.str;
+      default = "localhost";
+      description = "Address to bind to.";
+    };
+
+    python = mkOption {
+      internal = true;
+      type = types.package;
+      default = python;
+      description = ''
+        The python package to use. It should contain references to the *srht modules and also
+        gunicorn.
+      '';
+    };
+
+    minio = {
+      enable = mkEnableOption ''local minio integration'';
+    };
+
+    nginx = {
+      enable = mkEnableOption ''local nginx integration'';
+      virtualHost = mkOption {
+        type = types.attrs;
+        default = {};
+        description = "Virtual-host configuration merged with all Sourcehut's virtual-hosts.";
+      };
+    };
+
+    postfix = {
+      enable = mkEnableOption ''local postfix integration'';
+    };
+
+    postgresql = {
+      enable = mkEnableOption ''local postgresql integration'';
+    };
+
+    redis = {
+      enable = mkEnableOption ''local redis integration in a dedicated redis-server'';
+    };
+
+    settings = mkOption {
+      type = lib.types.submodule {
+        freeformType = settingsFormat.type;
+        options."sr.ht" = {
+          global-domain = mkOption {
+            description = "Global domain name.";
+            type = types.str;
+            example = "example.com";
+          };
+          environment = mkOption {
+            description = "Values other than \"production\" adds a banner to each page.";
+            type = types.enum [ "development" "production" ];
+            default = "development";
+          };
+          network-key = mkOption {
+            description = ''
+              An absolute file path (which should be outside the Nix-store)
+              to a secret key to encrypt internal messages with. Use <code>srht-keygen network</code> to
+              generate this key. It must be consistent between all services and nodes.
+            '';
+            type = types.path;
+            apply = s: "<" + toString s;
+          };
+          owner-email = mkOption {
+            description = "Owner's email.";
+            type = types.str;
+            default = "contact@example.com";
+          };
+          owner-name = mkOption {
+            description = "Owner's name.";
+            type = types.str;
+            default = "John Doe";
+          };
+          site-blurb = mkOption {
+            description = "Blurb for your site.";
+            type = types.str;
+            default = "the hacker's forge";
+          };
+          site-info = mkOption {
+            description = "The top-level info page for your site.";
+            type = types.str;
+            default = "https://sourcehut.org";
+          };
+          service-key = mkOption {
+            description = ''
+              An absolute file path (which should be outside the Nix-store)
+              to a key used for encrypting session cookies. Use <code>srht-keygen service</code> to
+              generate the service key. This must be shared between each node of the same
+              service (e.g. git1.sr.ht and git2.sr.ht), but different services may use
+              different keys. If you configure all of your services with the same
+              config.ini, you may use the same service-key for all of them.
+            '';
+            type = types.path;
+            apply = s: "<" + toString s;
+          };
+          site-name = mkOption {
+            description = "The name of your network of sr.ht-based sites.";
+            type = types.str;
+            default = "sourcehut";
+          };
+          source-url = mkOption {
+            description = "The source code for your fork of sr.ht.";
+            type = types.str;
+            default = "https://git.sr.ht/~sircmpwn/srht";
+          };
+        };
+        options.mail = {
+          smtp-host = mkOptionNullOrStr "Outgoing SMTP host.";
+          smtp-port = mkOption {
+            description = "Outgoing SMTP port.";
+            type = with types; nullOr port;
+            default = null;
+          };
+          smtp-user = mkOptionNullOrStr "Outgoing SMTP user.";
+          smtp-password = mkOptionNullOrStr "Outgoing SMTP password.";
+          smtp-from = mkOptionNullOrStr "Outgoing SMTP FROM.";
+          error-to = mkOptionNullOrStr "Address receiving application exceptions";
+          error-from = mkOptionNullOrStr "Address sending application exceptions";
+          pgp-privkey = mkOptionNullOrStr ''
+            An absolute file path (which should be outside the Nix-store)
+            to an OpenPGP private key.
+
+            Your PGP key information (DO NOT mix up pub and priv here)
+            You must remove the password from your secret key, if present.
+            You can do this with <code>gpg --edit-key [key-id]</code>,
+            then use the <code>passwd</code> command and do not enter a new password.
+          '';
+          pgp-pubkey = mkOptionNullOrStr "OpenPGP public key.";
+          pgp-key-id = mkOptionNullOrStr "OpenPGP key identifier.";
+        };
+        options.objects = {
+          s3-upstream = mkOption {
+            description = "Configure the S3-compatible object storage service.";
+            type = with types; nullOr str;
+            default = null;
+          };
+          s3-access-key = mkOption {
+            description = "Access key to the S3-compatible object storage service";
+            type = with types; nullOr str;
+            default = null;
+          };
+          s3-secret-key = mkOption {
+            description = ''
+              An absolute file path (which should be outside the Nix-store)
+              to the secret key of the S3-compatible object storage service.
+            '';
+            type = with types; nullOr path;
+            default = null;
+            apply = mapNullable (s: "<" + toString s);
+          };
+        };
+        options.webhooks = {
+          private-key = mkOption {
+            description = ''
+              An absolute file path (which should be outside the Nix-store)
+              to a base64-encoded Ed25519 key for signing webhook payloads.
+              This should be consistent for all *.sr.ht sites,
+              as this key will be used to verify signatures
+              from other sites in your network.
+              Use the <code>srht-keygen webhook</code> command to generate a key.
+            '';
+            type = types.path;
+            apply = s: "<" + toString s;
+          };
+        };
+
+        options."dispatch.sr.ht" = commonServiceSettings "dispatch" // {
+        };
+        options."dispatch.sr.ht::github" = {
+          oauth-client-id = mkOptionNullOrStr "OAuth client id.";
+          oauth-client-secret = mkOptionNullOrStr "OAuth client secret.";
+        };
+        options."dispatch.sr.ht::gitlab" = {
+          enabled = mkEnableOption "GitLab integration";
+          canonical-upstream = mkOption {
+            type = types.str;
+            description = "Canonical upstream.";
+            default = "gitlab.com";
+          };
+          repo-cache = mkOption {
+            type = types.str;
+            description = "Repository cache directory.";
+            default = "./repo-cache";
+          };
+          "gitlab.com" = mkOption {
+            type = with types; nullOr str;
+            description = "GitLab id and secret.";
+            default = null;
+            example = "GitLab:application id:secret";
+          };
+        };
+
+        options."builds.sr.ht" = commonServiceSettings "builds" // {
+          allow-free = mkEnableOption "nonpaying users to submit builds";
+          redis = mkOption {
+            description = "The Redis connection used for the Celery worker.";
+            type = types.str;
+            default = "redis+socket:///run/redis-sourcehut-buildsrht/redis.sock?virtual_host=2";
+          };
+          shell = mkOption {
+            description = ''
+              Scripts used to launch on SSH connection.
+              <literal>/usr/bin/master-shell</literal> on master,
+              <literal>/usr/bin/runner-shell</literal> on runner.
+              If master and worker are on the same system
+              set to <literal>/usr/bin/runner-shell</literal>.
+            '';
+            type = types.enum ["/usr/bin/master-shell" "/usr/bin/runner-shell"];
+            default = "/usr/bin/master-shell";
+          };
+        };
+        options."builds.sr.ht::worker" = {
+          bind-address = mkOption {
+            description = ''
+              HTTP bind address for serving local build information/monitoring.
+            '';
+            type = types.str;
+            default = "localhost:8080";
+          };
+          buildlogs = mkOption {
+            description = "Path to write build logs.";
+            type = types.str;
+            default = "/var/log/sourcehut/buildsrht-worker";
+          };
+          name = mkOption {
+            description = ''
+              Listening address and listening port
+              of the build runner (with HTTP port if not 80).
+            '';
+            type = types.str;
+            default = "localhost:5020";
+          };
+          timeout = mkOption {
+            description = ''
+              Max build duration.
+              See <link xlink:href="https://golang.org/pkg/time/#ParseDuration"/>.
+            '';
+            type = types.str;
+            default = "3m";
+          };
+        };
+
+        options."git.sr.ht" = commonServiceSettings "git" // {
+          outgoing-domain = mkOption {
+            description = "Outgoing domain.";
+            type = types.str;
+            default = "https://git.localhost.localdomain";
+          };
+          post-update-script = mkOption {
+            description = ''
+              A post-update script which is installed in every git repo.
+              This setting is propagated to newer and existing repositories.
+            '';
+            type = types.path;
+            default = "${pkgs.sourcehut.gitsrht}/bin/gitsrht-update-hook";
+            defaultText = "\${pkgs.sourcehut.gitsrht}/bin/gitsrht-update-hook";
+          };
+          repos = mkOption {
+            description = ''
+              Path to git repositories on disk.
+              If changing the default, you must ensure that
+              the gitsrht's user as read and write access to it.
+            '';
+            type = types.str;
+            default = "/var/lib/sourcehut/gitsrht/repos";
+          };
+          webhooks = mkOption {
+            description = "The Redis connection used for the webhooks worker.";
+            type = types.str;
+            default = "redis+socket:///run/redis-sourcehut-gitsrht/redis.sock?virtual_host=1";
+          };
+        };
+        options."git.sr.ht::api" = {
+          internal-ipnet = mkOption {
+            description = ''
+              Set of IP subnets which are permitted to utilize internal API
+              authentication. This should be limited to the subnets
+              from which your *.sr.ht services are running.
+              See <xref linkend="opt-services.sourcehut.listenAddress"/>.
+            '';
+            type = with types; listOf str;
+            default = [ "127.0.0.0/8" "::1/128" ];
+          };
+        };
+
+        options."hg.sr.ht" = commonServiceSettings "hg" // {
+          changegroup-script = mkOption {
+            description = ''
+              A changegroup script which is installed in every mercurial repo.
+              This setting is propagated to newer and existing repositories.
+            '';
+            type = types.str;
+            default = "${cfg.python}/bin/hgsrht-hook-changegroup";
+            defaultText = "\${cfg.python}/bin/hgsrht-hook-changegroup";
+          };
+          repos = mkOption {
+            description = ''
+              Path to mercurial repositories on disk.
+              If changing the default, you must ensure that
+              the hgsrht's user as read and write access to it.
+            '';
+            type = types.str;
+            default = "/var/lib/sourcehut/hgsrht/repos";
+          };
+          srhtext = mkOptionNullOrStr ''
+            Path to the srht mercurial extension
+            (defaults to where the hgsrht code is)
+          '';
+          clone_bundle_threshold = mkOption {
+            description = ".hg/store size (in MB) past which the nightly job generates clone bundles.";
+            type = types.ints.unsigned;
+            default = 50;
+          };
+          hg_ssh = mkOption {
+            description = "Path to hg-ssh (if not in $PATH).";
+            type = types.str;
+            default = "${pkgs.mercurial}/bin/hg-ssh";
+            defaultText = "\${pkgs.mercurial}/bin/hg-ssh";
+          };
+          webhooks = mkOption {
+            description = "The Redis connection used for the webhooks worker.";
+            type = types.str;
+            default = "redis+socket:///run/redis-sourcehut-hgsrht/redis.sock?virtual_host=1";
+          };
+        };
+
+        options."hub.sr.ht" = commonServiceSettings "hub" // {
+        };
+
+        options."lists.sr.ht" = commonServiceSettings "lists" // {
+          allow-new-lists = mkEnableOption "Allow creation of new lists.";
+          notify-from = mkOption {
+            description = "Outgoing email for notifications generated by users.";
+            type = types.str;
+            default = "lists-notify@localhost.localdomain";
+          };
+          posting-domain = mkOption {
+            description = "Posting domain.";
+            type = types.str;
+            default = "lists.localhost.localdomain";
+          };
+          redis = mkOption {
+            description = "The Redis connection used for the Celery worker.";
+            type = types.str;
+            default = "redis+socket:///run/redis-sourcehut-listssrht/redis.sock?virtual_host=2";
+          };
+          webhooks = mkOption {
+            description = "The Redis connection used for the webhooks worker.";
+            type = types.str;
+            default = "redis+socket:///run/redis-sourcehut-listssrht/redis.sock?virtual_host=1";
+          };
+        };
+        options."lists.sr.ht::worker" = {
+          reject-mimetypes = mkOption {
+            description = ''
+              Comma-delimited list of Content-Types to reject. Messages with Content-Types
+              included in this list are rejected. Multipart messages are always supported,
+              and each part is checked against this list.
+
+              Uses fnmatch for wildcard expansion.
+            '';
+            type = with types; listOf str;
+            default = ["text/html"];
+          };
+          reject-url = mkOption {
+            description = "Reject URL.";
+            type = types.str;
+            default = "https://man.sr.ht/lists.sr.ht/etiquette.md";
+          };
+          sock = mkOption {
+            description = ''
+              Path for the lmtp daemon's unix socket. Direct incoming mail to this socket.
+              Alternatively, specify IP:PORT and an SMTP server will be run instead.
+            '';
+            type = types.str;
+            default = "/tmp/lists.sr.ht-lmtp.sock";
+          };
+          sock-group = mkOption {
+            description = ''
+              The lmtp daemon will make the unix socket group-read/write
+              for users in this group.
+            '';
+            type = types.str;
+            default = "postfix";
+          };
+        };
+
+        options."man.sr.ht" = commonServiceSettings "man" // {
+        };
+
+        options."meta.sr.ht" =
+          removeAttrs (commonServiceSettings "meta")
+            ["oauth-client-id" "oauth-client-secret"] // {
+          api-origin = mkOption {
+            description = "Origin URL for API, 100 more than web.";
+            type = types.str;
+            default = "http://${cfg.listenAddress}:${toString (cfg.meta.port + 100)}";
+            defaultText = ''http://<xref linkend="opt-services.sourcehut.listenAddress"/>:''${toString (<xref linkend="opt-services.sourcehut.meta.port"/> + 100)}'';
+          };
+          webhooks = mkOption {
+            description = "The Redis connection used for the webhooks worker.";
+            type = types.str;
+            default = "redis+socket:///run/redis-sourcehut-metasrht/redis.sock?virtual_host=1";
+          };
+          welcome-emails = mkEnableOption "sending stock sourcehut welcome emails after signup";
+        };
+        options."meta.sr.ht::api" = {
+          internal-ipnet = mkOption {
+            description = ''
+              Set of IP subnets which are permitted to utilize internal API
+              authentication. This should be limited to the subnets
+              from which your *.sr.ht services are running.
+              See <xref linkend="opt-services.sourcehut.listenAddress"/>.
+            '';
+            type = with types; listOf str;
+            default = [ "127.0.0.0/8" "::1/128" ];
+          };
+        };
+        options."meta.sr.ht::aliases" = mkOption {
+          description = "Aliases for the client IDs of commonly used OAuth clients.";
+          type = with types; attrsOf int;
+          default = {};
+          example = { "git.sr.ht" = 12345; };
+        };
+        options."meta.sr.ht::billing" = {
+          enabled = mkEnableOption "the billing system";
+          stripe-public-key = mkOptionNullOrStr "Public key for Stripe. Get your keys at https://dashboard.stripe.com/account/apikeys";
+          stripe-secret-key = mkOptionNullOrStr ''
+            An absolute file path (which should be outside the Nix-store)
+            to a secret key for Stripe. Get your keys at https://dashboard.stripe.com/account/apikeys
+          '' // {
+            apply = mapNullable (s: "<" + toString s);
+          };
+        };
+        options."meta.sr.ht::settings" = {
+          registration = mkEnableOption "public registration";
+          onboarding-redirect = mkOption {
+            description = "Where to redirect new users upon registration.";
+            type = types.str;
+            default = "https://meta.localhost.localdomain";
+          };
+          user-invites = mkOption {
+            description = ''
+              How many invites each user is issued upon registration
+              (only applicable if open registration is disabled).
+            '';
+            type = types.ints.unsigned;
+            default = 5;
+          };
+        };
+
+        options."pages.sr.ht" = commonServiceSettings "pages" // {
+          gemini-certs = mkOption {
+            description = ''
+              An absolute file path (which should be outside the Nix-store)
+              to Gemini certificates.
+            '';
+            type = with types; nullOr path;
+            default = null;
+          };
+          max-site-size = mkOption {
+            description = "Maximum size of any given site (post-gunzip), in MiB.";
+            type = types.int;
+            default = 1024;
+          };
+          user-domain = mkOption {
+            description = ''
+              Configures the user domain, if enabled.
+              All users are given &lt;username&gt;.this.domain.
+            '';
+            type = with types; nullOr str;
+            default = null;
+          };
+        };
+        options."pages.sr.ht::api" = {
+          internal-ipnet = mkOption {
+            description = ''
+              Set of IP subnets which are permitted to utilize internal API
+              authentication. This should be limited to the subnets
+              from which your *.sr.ht services are running.
+              See <xref linkend="opt-services.sourcehut.listenAddress"/>.
+            '';
+            type = with types; listOf str;
+            default = [ "127.0.0.0/8" "::1/128" ];
+          };
+        };
+
+        options."paste.sr.ht" = commonServiceSettings "paste" // {
+        };
+
+        options."todo.sr.ht" = commonServiceSettings "todo" // {
+          notify-from = mkOption {
+            description = "Outgoing email for notifications generated by users.";
+            type = types.str;
+            default = "todo-notify@localhost.localdomain";
+          };
+          webhooks = mkOption {
+            description = "The Redis connection used for the webhooks worker.";
+            type = types.str;
+            default = "redis+socket:///run/redis-sourcehut-todosrht/redis.sock?virtual_host=1";
+          };
+        };
+        options."todo.sr.ht::mail" = {
+          posting-domain = mkOption {
+            description = "Posting domain.";
+            type = types.str;
+            default = "todo.localhost.localdomain";
+          };
+          sock = mkOption {
+            description = ''
+              Path for the lmtp daemon's unix socket. Direct incoming mail to this socket.
+              Alternatively, specify IP:PORT and an SMTP server will be run instead.
+            '';
+            type = types.str;
+            default = "/tmp/todo.sr.ht-lmtp.sock";
+          };
+          sock-group = mkOption {
+            description = ''
+              The lmtp daemon will make the unix socket group-read/write
+              for users in this group.
+            '';
+            type = types.str;
+            default = "postfix";
+          };
+        };
+      };
+      default = { };
+      description = ''
+        The configuration for the sourcehut network.
+      '';
+    };
+
+    builds = {
+      enableWorker = mkEnableOption ''
+        worker for builds.sr.ht
+
+        <warning><para>
+        For smaller deployments, job runners can be installed alongside the master server
+        but even if you only build your own software, integration with other services
+        may cause you to run untrusted builds
+        (e.g. automatic testing of patches via listssrht).
+        See <link xlink:href="https://man.sr.ht/builds.sr.ht/configuration.md#security-model"/>.
+        </para></warning>
+      '';
+
+      images = mkOption {
+        type = with types; attrsOf (attrsOf (attrsOf package));
+        default = { };
+        example = lib.literalExpression ''(let
+            # Pinning unstable to allow usage with flakes and limit rebuilds.
+            pkgs_unstable = builtins.fetchGit {
+                url = "https://github.com/NixOS/nixpkgs";
+                rev = "ff96a0fa5635770390b184ae74debea75c3fd534";
+                ref = "nixos-unstable";
+            };
+            image_from_nixpkgs = (import ("''${pkgs.sourcehut.buildsrht}/lib/images/nixos/image.nix") {
+              pkgs = (import pkgs_unstable {});
+            });
+          in
+          {
+            nixos.unstable.x86_64 = image_from_nixpkgs;
+          }
+        )'';
+        description = ''
+          Images for builds.sr.ht. Each package should be distro.release.arch and point to a /nix/store/package/root.img.qcow2.
+        '';
+      };
+    };
+
+    git = {
+      package = mkOption {
+        type = types.package;
+        default = pkgs.git;
+        defaultText = literalExpression "pkgs.git";
+        example = literalExpression "pkgs.gitFull";
+        description = ''
+          Git package for git.sr.ht. This can help silence collisions.
+        '';
+      };
+      fcgiwrap.preforkProcess = mkOption {
+        description = "Number of fcgiwrap processes to prefork.";
+        type = types.int;
+        default = 4;
+      };
+    };
+
+    hg = {
+      package = mkOption {
+        type = types.package;
+        default = pkgs.mercurial;
+        defaultText = literalExpression "pkgs.mercurial";
+        description = ''
+          Mercurial package for hg.sr.ht. This can help silence collisions.
+        '';
+      };
+      cloneBundles = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Generate clonebundles (which require more disk space but dramatically speed up cloning large repositories).
+        '';
+      };
+    };
+
+    lists = {
+      process = {
+        extraArgs = mkOption {
+          type = with types; listOf str;
+          default = [ "--loglevel DEBUG" "--pool eventlet" "--without-heartbeat" ];
+          description = "Extra arguments passed to the Celery responsible for processing mails.";
+        };
+        celeryConfig = mkOption {
+          type = types.lines;
+          default = "";
+          description = "Content of the <literal>celeryconfig.py</literal> used by the Celery of <literal>listssrht-process</literal>.";
+        };
+      };
+    };
+  };
+
+  config = mkIf cfg.enable (mkMerge [
+    {
+      environment.systemPackages = [ pkgs.sourcehut.coresrht ];
+
+      services.sourcehut.settings = {
+        "git.sr.ht".outgoing-domain = mkDefault "https://git.${domain}";
+        "lists.sr.ht".notify-from = mkDefault "lists-notify@${domain}";
+        "lists.sr.ht".posting-domain = mkDefault "lists.${domain}";
+        "meta.sr.ht::settings".onboarding-redirect = mkDefault "https://meta.${domain}";
+        "todo.sr.ht".notify-from = mkDefault "todo-notify@${domain}";
+        "todo.sr.ht::mail".posting-domain = mkDefault "todo.${domain}";
+      };
+    }
+    (mkIf cfg.postgresql.enable {
+      assertions = [
+        { assertion = postgresql.enable;
+          message = "postgresql must be enabled and configured";
+        }
+      ];
+    })
+    (mkIf cfg.postfix.enable {
+      assertions = [
+        { assertion = postfix.enable;
+          message = "postfix must be enabled and configured";
+        }
+      ];
+      # Needed for sharing the LMTP sockets with JoinsNamespaceOf=
+      systemd.services.postfix.serviceConfig.PrivateTmp = true;
+    })
+    (mkIf cfg.redis.enable {
+      services.redis.vmOverCommit = mkDefault true;
+    })
+    (mkIf cfg.nginx.enable {
+      assertions = [
+        { assertion = nginx.enable;
+          message = "nginx must be enabled and configured";
+        }
+      ];
+      # For proxyPass= in virtual-hosts for Sourcehut services.
+      services.nginx.recommendedProxySettings = mkDefault true;
+    })
+    (mkIf (cfg.builds.enable || cfg.git.enable || cfg.hg.enable) {
+      services.openssh = {
+        # Note that sshd will continue to honor AuthorizedKeysFile.
+        # Note that you may want automatically rotate
+        # or link to /dev/null the following log files:
+        # - /var/log/gitsrht-dispatch
+        # - /var/log/{build,git,hg}srht-keys
+        # - /var/log/{git,hg}srht-shell
+        # - /var/log/gitsrht-update-hook
+        authorizedKeysCommand = ''/etc/ssh/sourcehut/subdir/srht-dispatch "%u" "%h" "%t" "%k"'';
+        # srht-dispatch will setuid/setgid according to [git.sr.ht::dispatch]
+        authorizedKeysCommandUser = "root";
+        extraConfig = ''
+          PermitUserEnvironment SRHT_*
+        '';
+      };
+      environment.etc."ssh/sourcehut/config.ini".source =
+        settingsFormat.generate "sourcehut-dispatch-config.ini"
+          (filterAttrs (k: v: k == "git.sr.ht::dispatch")
+          cfg.settings);
+      environment.etc."ssh/sourcehut/subdir/srht-dispatch" = {
+        # sshd_config(5): The program must be owned by root, not writable by group or others
+        mode = "0755";
+        source = pkgs.writeShellScript "srht-dispatch" ''
+          set -e
+          cd /etc/ssh/sourcehut/subdir
+          ${cfg.python}/bin/gitsrht-dispatch "$@"
+        '';
+      };
+      systemd.services.sshd = {
+        #path = optional cfg.git.enable [ cfg.git.package ];
+        serviceConfig = {
+          BindReadOnlyPaths =
+            # Note that those /usr/bin/* paths are hardcoded in multiple places in *.sr.ht,
+            # for instance to get the user from the [git.sr.ht::dispatch] settings.
+            # *srht-keys needs to:
+            # - access a redis-server in [sr.ht] redis-host,
+            # - access the PostgreSQL server in [*.sr.ht] connection-string,
+            # - query metasrht-api (through the HTTP API).
+            # Using this has the side effect of creating empty files in /usr/bin/
+            optionals cfg.builds.enable [
+              "${pkgs.writeShellScript "buildsrht-keys-wrapper" ''
+                set -e
+                cd /run/sourcehut/buildsrht/subdir
+                set -x
+                exec -a "$0" ${pkgs.sourcehut.buildsrht}/bin/buildsrht-keys "$@"
+              ''}:/usr/bin/buildsrht-keys"
+              "${pkgs.sourcehut.buildsrht}/bin/master-shell:/usr/bin/master-shell"
+              "${pkgs.sourcehut.buildsrht}/bin/runner-shell:/usr/bin/runner-shell"
+            ] ++
+            optionals cfg.git.enable [
+              # /path/to/gitsrht-keys calls /path/to/gitsrht-shell,
+              # or [git.sr.ht] shell= if set.
+              "${pkgs.writeShellScript "gitsrht-keys-wrapper" ''
+                set -e
+                cd /run/sourcehut/gitsrht/subdir
+                set -x
+                exec -a "$0" ${pkgs.sourcehut.gitsrht}/bin/gitsrht-keys "$@"
+              ''}:/usr/bin/gitsrht-keys"
+              "${pkgs.writeShellScript "gitsrht-shell-wrapper" ''
+                set -e
+                cd /run/sourcehut/gitsrht/subdir
+                set -x
+                exec -a "$0" ${pkgs.sourcehut.gitsrht}/bin/gitsrht-shell "$@"
+              ''}:/usr/bin/gitsrht-shell"
+              "${pkgs.writeShellScript "gitsrht-update-hook" ''
+                set -e
+                test -e "''${PWD%/*}"/config.ini ||
+                # Git hooks are run relative to their repository's directory,
+                # but gitsrht-update-hook looks up ../config.ini
+                ln -s /run/sourcehut/gitsrht/config.ini "''${PWD%/*}"/config.ini
+                # hooks/post-update calls /usr/bin/gitsrht-update-hook as hooks/stage-3
+                # but this wrapper being a bash script, it overrides $0 with /usr/bin/gitsrht-update-hook
+                # hence this hack to put hooks/stage-3 back into gitsrht-update-hook's $0
+                if test "''${STAGE3:+set}"
+                then
+                  set -x
+                  exec -a hooks/stage-3 ${pkgs.sourcehut.gitsrht}/bin/gitsrht-update-hook "$@"
+                else
+                  export STAGE3=set
+                  set -x
+                  exec -a "$0" ${pkgs.sourcehut.gitsrht}/bin/gitsrht-update-hook "$@"
+                fi
+              ''}:/usr/bin/gitsrht-update-hook"
+            ] ++
+            optionals cfg.hg.enable [
+              # /path/to/hgsrht-keys calls /path/to/hgsrht-shell,
+              # or [hg.sr.ht] shell= if set.
+              "${pkgs.writeShellScript "hgsrht-keys-wrapper" ''
+                set -e
+                cd /run/sourcehut/hgsrht/subdir
+                set -x
+                exec -a "$0" ${pkgs.sourcehut.hgsrht}/bin/hgsrht-keys "$@"
+              ''}:/usr/bin/hgsrht-keys"
+              "${pkgs.writeShellScript "hgsrht-shell-wrapper" ''
+                set -e
+                cd /run/sourcehut/hgsrht/subdir
+                set -x
+                exec -a "$0" ${pkgs.sourcehut.hgsrht}/bin/hgsrht-shell "$@"
+              ''}:/usr/bin/hgsrht-shell"
+              # Mercurial's changegroup hooks are run relative to their repository's directory,
+              # but hgsrht-hook-changegroup looks up ./config.ini
+              "${pkgs.writeShellScript "hgsrht-hook-changegroup" ''
+                set -e
+                test -e "''$PWD"/config.ini ||
+                ln -s /run/sourcehut/hgsrht/config.ini "''$PWD"/config.ini
+                set -x
+                exec -a "$0" ${cfg.python}/bin/hgsrht-hook-changegroup "$@"
+              ''}:/usr/bin/hgsrht-hook-changegroup"
+            ];
+        };
+      };
+    })
+  ]);
+
+  imports = [
+
+    (import ./service.nix "builds" {
+      inherit configIniOfService;
+      srvsrht = "buildsrht";
+      port = 5002;
+      # TODO: a celery worker on the master and worker are apparently needed
+      extraServices.buildsrht-worker = let
+        qemuPackage = pkgs.qemu_kvm;
+        serviceName = "buildsrht-worker";
+        statePath = "/var/lib/sourcehut/${serviceName}";
+        in mkIf cfg.builds.enableWorker {
+        path = [ pkgs.openssh pkgs.docker ];
+        preStart = ''
+          set -x
+          if test -z "$(docker images -q qemu:latest 2>/dev/null)" \
+          || test "$(cat ${statePath}/docker-image-qemu)" != "${qemuPackage.version}"
+          then
+            # Create and import qemu:latest image for docker
+            ${pkgs.dockerTools.streamLayeredImage {
+              name = "qemu";
+              tag = "latest";
+              contents = [ qemuPackage ];
+            }} | docker load
+            # Mark down current package version
+            echo '${qemuPackage.version}' >${statePath}/docker-image-qemu
+          fi
+        '';
+        serviceConfig = {
+          ExecStart = "${pkgs.sourcehut.buildsrht}/bin/builds.sr.ht-worker";
+          BindPaths = [ cfg.settings."builds.sr.ht::worker".buildlogs ];
+          LogsDirectory = [ "sourcehut/${serviceName}" ];
+          RuntimeDirectory = [ "sourcehut/${serviceName}/subdir" ];
+          StateDirectory = [ "sourcehut/${serviceName}" ];
+          TimeoutStartSec = "1800s";
+          # builds.sr.ht-worker looks up ../config.ini
+          WorkingDirectory = "-"+"/run/sourcehut/${serviceName}/subdir";
+        };
+      };
+      extraConfig = let
+        image_dirs = flatten (
+          mapAttrsToList (distro: revs:
+            mapAttrsToList (rev: archs:
+              mapAttrsToList (arch: image:
+                pkgs.runCommand "buildsrht-images" { } ''
+                  mkdir -p $out/${distro}/${rev}/${arch}
+                  ln -s ${image}/*.qcow2 $out/${distro}/${rev}/${arch}/root.img.qcow2
+                ''
+              ) archs
+            ) revs
+          ) cfg.builds.images
+        );
+        image_dir_pre = pkgs.symlinkJoin {
+          name = "builds.sr.ht-worker-images-pre";
+          paths = image_dirs;
+            # FIXME: not working, apparently because ubuntu/latest is a broken link
+            # ++ [ "${pkgs.sourcehut.buildsrht}/lib/images" ];
+        };
+        image_dir = pkgs.runCommand "builds.sr.ht-worker-images" { } ''
+          mkdir -p $out/images
+          cp -Lr ${image_dir_pre}/* $out/images
+        '';
+        in mkMerge [
+        {
+          users.users.${cfg.builds.user}.shell = pkgs.bash;
+
+          virtualisation.docker.enable = true;
+
+          services.sourcehut.settings = mkMerge [
+            { # Note that git.sr.ht::dispatch is not a typo,
+              # gitsrht-dispatch always use this section
+              "git.sr.ht::dispatch"."/usr/bin/buildsrht-keys" =
+                mkDefault "${cfg.builds.user}:${cfg.builds.group}";
+            }
+            (mkIf cfg.builds.enableWorker {
+              "builds.sr.ht::worker".shell = "/usr/bin/runner-shell";
+              "builds.sr.ht::worker".images = mkDefault "${image_dir}/images";
+              "builds.sr.ht::worker".controlcmd = mkDefault "${image_dir}/images/control";
+            })
+          ];
+        }
+        (mkIf cfg.builds.enableWorker {
+          users.groups = {
+            docker.members = [ cfg.builds.user ];
+          };
+        })
+        (mkIf (cfg.builds.enableWorker && cfg.nginx.enable) {
+          # Allow nginx access to buildlogs
+          users.users.${nginx.user}.extraGroups = [ cfg.builds.group ];
+          systemd.services.nginx = {
+            serviceConfig.BindReadOnlyPaths = [ cfg.settings."builds.sr.ht::worker".buildlogs ];
+          };
+          services.nginx.virtualHosts."logs.${domain}" = mkMerge [ {
+            /* FIXME: is a listen needed?
+            listen = with builtins;
+              # FIXME: not compatible with IPv6
+              let address = split ":" cfg.settings."builds.sr.ht::worker".name; in
+              [{ addr = elemAt address 0; port = lib.toInt (elemAt address 2); }];
+            */
+            locations."/logs/".alias = cfg.settings."builds.sr.ht::worker".buildlogs + "/";
+          } cfg.nginx.virtualHost ];
+        })
+      ];
+    })
+
+    (import ./service.nix "dispatch" {
+      inherit configIniOfService;
+      port = 5005;
+    })
+
+    (import ./service.nix "git" (let
+      baseService = {
+        path = [ cfg.git.package ];
+        serviceConfig.BindPaths = [ "${cfg.settings."git.sr.ht".repos}:/var/lib/sourcehut/gitsrht/repos" ];
+      };
+      in {
+      inherit configIniOfService;
+      mainService = mkMerge [ baseService {
+        serviceConfig.StateDirectory = [ "sourcehut/gitsrht" "sourcehut/gitsrht/repos" ];
+        preStart = mkIf (!versionAtLeast config.system.stateVersion "22.05") (mkBefore ''
+          # Fix Git hooks of repositories pre-dating https://github.com/NixOS/nixpkgs/pull/133984
+          (
+          set +f
+          shopt -s nullglob
+          for h in /var/lib/sourcehut/gitsrht/repos/~*/*/hooks/{pre-receive,update,post-update}
+          do ln -fnsv /usr/bin/gitsrht-update-hook "$h"; done
+          )
+        '');
+      } ];
+      port = 5001;
+      webhooks = true;
+      extraTimers.gitsrht-periodic = {
+        service = baseService;
+        timerConfig.OnCalendar = ["*:0/20"];
+      };
+      extraConfig = mkMerge [
+        {
+          # https://stackoverflow.com/questions/22314298/git-push-results-in-fatal-protocol-error-bad-line-length-character-this
+          # Probably could use gitsrht-shell if output is restricted to just parameters...
+          users.users.${cfg.git.user}.shell = pkgs.bash;
+          services.sourcehut.settings = {
+            "git.sr.ht::dispatch"."/usr/bin/gitsrht-keys" =
+              mkDefault "${cfg.git.user}:${cfg.git.group}";
+          };
+          systemd.services.sshd = baseService;
+        }
+        (mkIf cfg.nginx.enable {
+          services.nginx.virtualHosts."git.${domain}" = {
+            locations."/authorize" = {
+              proxyPass = "http://${cfg.listenAddress}:${toString cfg.git.port}";
+              extraConfig = ''
+                proxy_pass_request_body off;
+                proxy_set_header Content-Length "";
+                proxy_set_header X-Original-URI $request_uri;
+              '';
+            };
+            locations."~ ^/([^/]+)/([^/]+)/(HEAD|info/refs|objects/info/.*|git-upload-pack).*$" = {
+              root = "/var/lib/sourcehut/gitsrht/repos";
+              fastcgiParams = {
+                GIT_HTTP_EXPORT_ALL = "";
+                GIT_PROJECT_ROOT = "$document_root";
+                PATH_INFO = "$uri";
+                SCRIPT_FILENAME = "${cfg.git.package}/bin/git-http-backend";
+              };
+              extraConfig = ''
+                auth_request /authorize;
+                fastcgi_read_timeout 500s;
+                fastcgi_pass unix:/run/gitsrht-fcgiwrap.sock;
+                gzip off;
+              '';
+            };
+          };
+          systemd.sockets.gitsrht-fcgiwrap = {
+            before = [ "nginx.service" ];
+            wantedBy = [ "sockets.target" "gitsrht.service" ];
+            # This path remains accessible to nginx.service, which has no RootDirectory=
+            socketConfig.ListenStream = "/run/gitsrht-fcgiwrap.sock";
+            socketConfig.SocketUser = nginx.user;
+            socketConfig.SocketMode = "600";
+          };
+        })
+      ];
+      extraServices.gitsrht-fcgiwrap = mkIf cfg.nginx.enable {
+        serviceConfig = {
+          # Socket is passed by gitsrht-fcgiwrap.socket
+          ExecStart = "${pkgs.fcgiwrap}/sbin/fcgiwrap -c ${toString cfg.git.fcgiwrap.preforkProcess}";
+          # No need for config.ini
+          ExecStartPre = mkForce [];
+          User = null;
+          DynamicUser = true;
+          BindReadOnlyPaths = [ "${cfg.settings."git.sr.ht".repos}:/var/lib/sourcehut/gitsrht/repos" ];
+          IPAddressDeny = "any";
+          InaccessiblePaths = [ "-+/run/postgresql" "-+/run/redis-sourcehut" ];
+          PrivateNetwork = true;
+          RestrictAddressFamilies = mkForce [ "none" ];
+          SystemCallFilter = mkForce [
+            "@system-service"
+            "~@aio" "~@keyring" "~@memlock" "~@privileged" "~@resources" "~@setuid"
+            # @timer is needed for alarm()
+          ];
+        };
+      };
+    }))
+
+    (import ./service.nix "hg" (let
+      baseService = {
+        path = [ cfg.hg.package ];
+        serviceConfig.BindPaths = [ "${cfg.settings."hg.sr.ht".repos}:/var/lib/sourcehut/hgsrht/repos" ];
+      };
+      in {
+      inherit configIniOfService;
+      mainService = mkMerge [ baseService {
+        serviceConfig.StateDirectory = [ "sourcehut/hgsrht" "sourcehut/hgsrht/repos" ];
+      } ];
+      port = 5010;
+      webhooks = true;
+      extraTimers.hgsrht-periodic = {
+        service = baseService;
+        timerConfig.OnCalendar = ["*:0/20"];
+      };
+      extraTimers.hgsrht-clonebundles = mkIf cfg.hg.cloneBundles {
+        service = baseService;
+        timerConfig.OnCalendar = ["daily"];
+        timerConfig.AccuracySec = "1h";
+      };
+      extraConfig = mkMerge [
+        {
+          users.users.${cfg.hg.user}.shell = pkgs.bash;
+          services.sourcehut.settings = {
+            # Note that git.sr.ht::dispatch is not a typo,
+            # gitsrht-dispatch always uses this section.
+            "git.sr.ht::dispatch"."/usr/bin/hgsrht-keys" =
+              mkDefault "${cfg.hg.user}:${cfg.hg.group}";
+          };
+          systemd.services.sshd = baseService;
+        }
+        (mkIf cfg.nginx.enable {
+          # Allow nginx access to repositories
+          users.users.${nginx.user}.extraGroups = [ cfg.hg.group ];
+          services.nginx.virtualHosts."hg.${domain}" = {
+            locations."/authorize" = {
+              proxyPass = "http://${cfg.listenAddress}:${toString cfg.hg.port}";
+              extraConfig = ''
+                proxy_pass_request_body off;
+                proxy_set_header Content-Length "";
+                proxy_set_header X-Original-URI $request_uri;
+              '';
+            };
+            # Let clients reach pull bundles. We don't really need to lock this down even for
+            # private repos because the bundles are named after the revision hashes...
+            # so someone would need to know or guess a SHA value to download anything.
+            # TODO: proxyPass to an hg serve service?
+            locations."~ ^/[~^][a-z0-9_]+/[a-zA-Z0-9_.-]+/\\.hg/bundles/.*$" = {
+              root = "/var/lib/nginx/hgsrht/repos";
+              extraConfig = ''
+                auth_request /authorize;
+                gzip off;
+              '';
+            };
+          };
+          systemd.services.nginx = {
+            serviceConfig.BindReadOnlyPaths = [ "${cfg.settings."hg.sr.ht".repos}:/var/lib/nginx/hgsrht/repos" ];
+          };
+        })
+      ];
+    }))
+
+    (import ./service.nix "hub" {
+      inherit configIniOfService;
+      port = 5014;
+      extraConfig = {
+        services.nginx = mkIf cfg.nginx.enable {
+          virtualHosts."hub.${domain}" = mkMerge [ {
+            serverAliases = [ domain ];
+          } cfg.nginx.virtualHost ];
+        };
+      };
+    })
+
+    (import ./service.nix "lists" (let
+      srvsrht = "listssrht";
+      in {
+      inherit configIniOfService;
+      port = 5006;
+      webhooks = true;
+      # Receive the mail from Postfix and enqueue them into Redis and PostgreSQL
+      extraServices.listssrht-lmtp = {
+        wants = [ "postfix.service" ];
+        unitConfig.JoinsNamespaceOf = optional cfg.postfix.enable "postfix.service";
+        serviceConfig.ExecStart = "${cfg.python}/bin/listssrht-lmtp";
+        # Avoid crashing: os.chown(sock, os.getuid(), sock_gid)
+        serviceConfig.PrivateUsers = mkForce false;
+      };
+      # Dequeue the mails from Redis and dispatch them
+      extraServices.listssrht-process = {
+        serviceConfig = {
+          preStart = ''
+            cp ${pkgs.writeText "${srvsrht}-webhooks-celeryconfig.py" cfg.lists.process.celeryConfig} \
+               /run/sourcehut/${srvsrht}-webhooks/celeryconfig.py
+          '';
+          ExecStart = "${cfg.python}/bin/celery --app listssrht.process worker --hostname listssrht-process@%%h " + concatStringsSep " " cfg.lists.process.extraArgs;
+          # Avoid crashing: os.getloadavg()
+          ProcSubset = mkForce "all";
+        };
+      };
+      extraConfig = mkIf cfg.postfix.enable {
+        users.groups.${postfix.group}.members = [ cfg.lists.user ];
+        services.sourcehut.settings."lists.sr.ht::mail".sock-group = postfix.group;
+        services.postfix = {
+          destination = [ "lists.${domain}" ];
+          # FIXME: an accurate recipient list should be queried
+          # from the lists.sr.ht PostgreSQL database to avoid backscattering.
+          # But usernames are unfortunately not in that database but in meta.sr.ht.
+          # Note that two syntaxes are allowed:
+          # - ~username/list-name@lists.${domain}
+          # - u.username.list-name@lists.${domain}
+          localRecipients = [ "@lists.${domain}" ];
+          transport = ''
+            lists.${domain} lmtp:unix:${cfg.settings."lists.sr.ht::worker".sock}
+          '';
+        };
+      };
+    }))
+
+    (import ./service.nix "man" {
+      inherit configIniOfService;
+      port = 5004;
+    })
+
+    (import ./service.nix "meta" {
+      inherit configIniOfService;
+      port = 5000;
+      webhooks = true;
+      extraServices.metasrht-api = {
+        serviceConfig.Restart = "always";
+        serviceConfig.RestartSec = "2s";
+        preStart = "set -x\n" + concatStringsSep "\n\n" (attrValues (mapAttrs (k: s:
+          let srvMatch = builtins.match "^([a-z]*)\\.sr\\.ht$" k;
+              srv = head srvMatch;
+          in
+          # Configure client(s) as "preauthorized"
+          optionalString (srvMatch != null && cfg.${srv}.enable && ((s.oauth-client-id or null) != null)) ''
+            # Configure ${srv}'s OAuth client as "preauthorized"
+            ${postgresql.package}/bin/psql '${cfg.settings."meta.sr.ht".connection-string}' \
+              -c "UPDATE oauthclient SET preauthorized = true WHERE client_id = '${s.oauth-client-id}'"
+          ''
+          ) cfg.settings));
+        serviceConfig.ExecStart = "${pkgs.sourcehut.metasrht}/bin/metasrht-api -b ${cfg.listenAddress}:${toString (cfg.meta.port + 100)}";
+      };
+      extraTimers.metasrht-daily.timerConfig = {
+        OnCalendar = ["daily"];
+        AccuracySec = "1h";
+      };
+      extraConfig = mkMerge [
+        {
+          assertions = [
+            { assertion = let s = cfg.settings."meta.sr.ht::billing"; in
+                          s.enabled == "yes" -> (s.stripe-public-key != null && s.stripe-secret-key != null);
+              message = "If meta.sr.ht::billing is enabled, the keys must be defined.";
+            }
+          ];
+          environment.systemPackages = optional cfg.meta.enable
+            (pkgs.writeShellScriptBin "metasrht-manageuser" ''
+              set -eux
+              if test "$(${pkgs.coreutils}/bin/id -n -u)" != '${cfg.meta.user}'
+              then exec sudo -u '${cfg.meta.user}' "$0" "$@"
+              else
+                # In order to load config.ini
+                if cd /run/sourcehut/metasrht
+                then exec ${cfg.python}/bin/metasrht-manageuser "$@"
+                else cat <<EOF
+                  Please run: sudo systemctl start metasrht
+              EOF
+                  exit 1
+                fi
+              fi
+            '');
+        }
+        (mkIf cfg.nginx.enable {
+          services.nginx.virtualHosts."meta.${domain}" = {
+            locations."/query" = {
+              proxyPass = cfg.settings."meta.sr.ht".api-origin;
+              extraConfig = ''
+                if ($request_method = 'OPTIONS') {
+                  add_header 'Access-Control-Allow-Origin' '*';
+                  add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+                  add_header 'Access-Control-Allow-Headers' 'User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
+                  add_header 'Access-Control-Max-Age' 1728000;
+                  add_header 'Content-Type' 'text/plain; charset=utf-8';
+                  add_header 'Content-Length' 0;
+                  return 204;
+                }
+
+                add_header 'Access-Control-Allow-Origin' '*';
+                add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+                add_header 'Access-Control-Allow-Headers' 'User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
+                add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
+              '';
+            };
+          };
+        })
+      ];
+    })
+
+    (import ./service.nix "pages" {
+      inherit configIniOfService;
+      port = 5112;
+      mainService = let
+        srvsrht = "pagessrht";
+        version = pkgs.sourcehut.${srvsrht}.version;
+        stateDir = "/var/lib/sourcehut/${srvsrht}";
+        iniKey = "pages.sr.ht";
+        in {
+        preStart = mkBefore ''
+          set -x
+          # Use the /run/sourcehut/${srvsrht}/config.ini
+          # installed by a previous ExecStartPre= in baseService
+          cd /run/sourcehut/${srvsrht}
+
+          if test ! -e ${stateDir}/db; then
+            ${postgresql.package}/bin/psql '${cfg.settings.${iniKey}.connection-string}' -f ${pkgs.sourcehut.pagessrht}/share/sql/schema.sql
+            echo ${version} >${stateDir}/db
+          fi
+
+          ${optionalString cfg.settings.${iniKey}.migrate-on-upgrade ''
+            # Just try all the migrations because they're not linked to the version
+            for sql in ${pkgs.sourcehut.pagessrht}/share/sql/migrations/*.sql; do
+              ${postgresql.package}/bin/psql '${cfg.settings.${iniKey}.connection-string}' -f "$sql" || true
+            done
+          ''}
+
+          # Disable webhook
+          touch ${stateDir}/webhook
+        '';
+        serviceConfig = {
+          ExecStart = mkForce "${pkgs.sourcehut.pagessrht}/bin/pages.sr.ht -b ${cfg.listenAddress}:${toString cfg.pages.port}";
+        };
+      };
+    })
+
+    (import ./service.nix "paste" {
+      inherit configIniOfService;
+      port = 5011;
+    })
+
+    (import ./service.nix "todo" {
+      inherit configIniOfService;
+      port = 5003;
+      webhooks = true;
+      extraServices.todosrht-lmtp = {
+        wants = [ "postfix.service" ];
+        unitConfig.JoinsNamespaceOf = optional cfg.postfix.enable "postfix.service";
+        serviceConfig.ExecStart = "${cfg.python}/bin/todosrht-lmtp";
+        # Avoid crashing: os.chown(sock, os.getuid(), sock_gid)
+        serviceConfig.PrivateUsers = mkForce false;
+      };
+      extraConfig = mkIf cfg.postfix.enable {
+        users.groups.${postfix.group}.members = [ cfg.todo.user ];
+        services.sourcehut.settings."todo.sr.ht::mail".sock-group = postfix.group;
+        services.postfix = {
+          destination = [ "todo.${domain}" ];
+          # FIXME: an accurate recipient list should be queried
+          # from the todo.sr.ht PostgreSQL database to avoid backscattering.
+          # But usernames are unfortunately not in that database but in meta.sr.ht.
+          # Note that two syntaxes are allowed:
+          # - ~username/tracker-name@todo.${domain}
+          # - u.username.tracker-name@todo.${domain}
+          localRecipients = [ "@todo.${domain}" ];
+          transport = ''
+            todo.${domain} lmtp:unix:${cfg.settings."todo.sr.ht::mail".sock}
+          '';
+        };
+      };
+    })
+
+    (mkRenamedOptionModule [ "services" "sourcehut" "originBase" ]
+                           [ "services" "sourcehut" "settings" "sr.ht" "global-domain" ])
+    (mkRenamedOptionModule [ "services" "sourcehut" "address" ]
+                           [ "services" "sourcehut" "listenAddress" ])
+
+  ];
+
+  meta.doc = ./sourcehut.xml;
+  meta.maintainers = with maintainers; [ julm tomberek ];
+}
diff --git a/nixos/modules/services/misc/sourcehut/dispatch.nix b/nixos/modules/services/misc/sourcehut/dispatch.nix
new file mode 100644
index 00000000000..292a51d3e1c
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/dispatch.nix
@@ -0,0 +1,127 @@
+{ config, lib, options, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.sourcehut;
+  opt = options.services.sourcehut;
+  cfgIni = cfg.settings;
+  scfg = cfg.dispatch;
+  iniKey = "dispatch.sr.ht";
+
+  drv = pkgs.sourcehut.dispatchsrht;
+in
+{
+  options.services.sourcehut.dispatch = {
+    user = mkOption {
+      type = types.str;
+      default = "dispatchsrht";
+      description = ''
+        User for dispatch.sr.ht.
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 5005;
+      description = ''
+        Port on which the "dispatch" module should listen.
+      '';
+    };
+
+    database = mkOption {
+      type = types.str;
+      default = "dispatch.sr.ht";
+      description = ''
+        PostgreSQL database name for dispatch.sr.ht.
+      '';
+    };
+
+    statePath = mkOption {
+      type = types.path;
+      default = "${cfg.statePath}/dispatchsrht";
+      defaultText = literalExpression ''"''${config.${opt.statePath}}/dispatchsrht"'';
+      description = ''
+        State path for dispatch.sr.ht.
+      '';
+    };
+  };
+
+  config = with scfg; lib.mkIf (cfg.enable && elem "dispatch" cfg.services) {
+
+    users = {
+      users = {
+        "${user}" = {
+          isSystemUser = true;
+          group = user;
+          description = "dispatch.sr.ht user";
+        };
+      };
+
+      groups = {
+        "${user}" = { };
+      };
+    };
+
+    services.postgresql = {
+      authentication = ''
+        local ${database} ${user} trust
+      '';
+      ensureDatabases = [ database ];
+      ensureUsers = [
+        {
+          name = user;
+          ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
+        }
+      ];
+    };
+
+    systemd = {
+      tmpfiles.rules = [
+        "d ${statePath} 0750 ${user} ${user} -"
+      ];
+
+      services.dispatchsrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
+        after = [ "postgresql.service" "network.target" ];
+        requires = [ "postgresql.service" ];
+        wantedBy = [ "multi-user.target" ];
+
+        description = "dispatch.sr.ht website service";
+
+        serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
+      };
+    };
+
+    services.sourcehut.settings = {
+      # URL dispatch.sr.ht is being served at (protocol://domain)
+      "dispatch.sr.ht".origin = mkDefault "http://dispatch.${cfg.originBase}";
+      # Address and port to bind the debug server to
+      "dispatch.sr.ht".debug-host = mkDefault "0.0.0.0";
+      "dispatch.sr.ht".debug-port = mkDefault port;
+      # Configures the SQLAlchemy connection string for the database.
+      "dispatch.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
+      # Set to "yes" to automatically run migrations on package upgrade.
+      "dispatch.sr.ht".migrate-on-upgrade = mkDefault "yes";
+      # dispatch.sr.ht's OAuth client ID and secret for meta.sr.ht
+      # Register your client at meta.example.org/oauth
+      "dispatch.sr.ht".oauth-client-id = mkDefault null;
+      "dispatch.sr.ht".oauth-client-secret = mkDefault null;
+
+      # Github Integration
+      "dispatch.sr.ht::github".oauth-client-id = mkDefault null;
+      "dispatch.sr.ht::github".oauth-client-secret = mkDefault null;
+
+      # Gitlab Integration
+      "dispatch.sr.ht::gitlab".enabled = mkDefault null;
+      "dispatch.sr.ht::gitlab".canonical-upstream = mkDefault "gitlab.com";
+      "dispatch.sr.ht::gitlab".repo-cache = mkDefault "./repo-cache";
+      # "dispatch.sr.ht::gitlab"."gitlab.com" = mkDefault "GitLab:application id:secret";
+    };
+
+    services.nginx.virtualHosts."dispatch.${cfg.originBase}" = {
+      forceSSL = true;
+      locations."/".proxyPass = "http://${cfg.address}:${toString port}";
+      locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
+      locations."/static".root = "${pkgs.sourcehut.dispatchsrht}/${pkgs.sourcehut.python.sitePackages}/dispatchsrht";
+    };
+  };
+}
diff --git a/nixos/modules/services/misc/sourcehut/git.nix b/nixos/modules/services/misc/sourcehut/git.nix
new file mode 100644
index 00000000000..ff110905d18
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/git.nix
@@ -0,0 +1,217 @@
+{ config, lib, options, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.sourcehut;
+  opt = options.services.sourcehut;
+  scfg = cfg.git;
+  iniKey = "git.sr.ht";
+
+  rcfg = config.services.redis;
+  drv = pkgs.sourcehut.gitsrht;
+in
+{
+  options.services.sourcehut.git = {
+    user = mkOption {
+      type = types.str;
+      visible = false;
+      internal = true;
+      readOnly = true;
+      default = "git";
+      description = ''
+        User for git.sr.ht.
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 5001;
+      description = ''
+        Port on which the "git" module should listen.
+      '';
+    };
+
+    database = mkOption {
+      type = types.str;
+      default = "git.sr.ht";
+      description = ''
+        PostgreSQL database name for git.sr.ht.
+      '';
+    };
+
+    statePath = mkOption {
+      type = types.path;
+      default = "${cfg.statePath}/gitsrht";
+      defaultText = literalExpression ''"''${config.${opt.statePath}}/gitsrht"'';
+      description = ''
+        State path for git.sr.ht.
+      '';
+    };
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.git;
+      defaultText = literalExpression "pkgs.git";
+      example = literalExpression "pkgs.gitFull";
+      description = ''
+        Git package for git.sr.ht. This can help silence collisions.
+      '';
+    };
+  };
+
+  config = with scfg; lib.mkIf (cfg.enable && elem "git" cfg.services) {
+    # sshd refuses to run with `Unsafe AuthorizedKeysCommand ... bad ownership or modes for directory /nix/store`
+    environment.etc."ssh/gitsrht-dispatch" = {
+      mode = "0755";
+      text = ''
+        #! ${pkgs.stdenv.shell}
+        ${cfg.python}/bin/gitsrht-dispatch "$@"
+      '';
+    };
+
+    # Needs this in the $PATH when sshing into the server
+    environment.systemPackages = [ cfg.git.package ];
+
+    users = {
+      users = {
+        "${user}" = {
+          isSystemUser = true;
+          group = user;
+          # https://stackoverflow.com/questions/22314298/git-push-results-in-fatal-protocol-error-bad-line-length-character-this
+          # Probably could use gitsrht-shell if output is restricted to just parameters...
+          shell = pkgs.bash;
+          description = "git.sr.ht user";
+        };
+      };
+
+      groups = {
+        "${user}" = { };
+      };
+    };
+
+    services = {
+      cron.systemCronJobs = [ "*/20 * * * * ${cfg.python}/bin/gitsrht-periodic" ];
+      fcgiwrap.enable = true;
+
+      openssh.authorizedKeysCommand = ''/etc/ssh/gitsrht-dispatch "%u" "%h" "%t" "%k"'';
+      openssh.authorizedKeysCommandUser = "root";
+      openssh.extraConfig = ''
+        PermitUserEnvironment SRHT_*
+      '';
+
+      postgresql = {
+        authentication = ''
+          local ${database} ${user} trust
+        '';
+        ensureDatabases = [ database ];
+        ensureUsers = [
+          {
+            name = user;
+            ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
+          }
+        ];
+      };
+    };
+
+    systemd = {
+      tmpfiles.rules = [
+        # /var/log is owned by root
+        "f /var/log/git-srht-shell 0644 ${user} ${user} -"
+
+        "d ${statePath} 0750 ${user} ${user} -"
+        "d ${cfg.settings."${iniKey}".repos} 2755 ${user} ${user} -"
+      ];
+
+      services = {
+        gitsrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
+          after = [ "redis.service" "postgresql.service" "network.target" ];
+          requires = [ "redis.service" "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          # Needs internally to create repos at the very least
+          path = [ pkgs.git ];
+          description = "git.sr.ht website service";
+
+          serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
+        };
+
+        gitsrht-webhooks = {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "git.sr.ht webhooks service";
+          serviceConfig = {
+            Type = "simple";
+            User = user;
+            Restart = "always";
+          };
+
+          serviceConfig.ExecStart = "${cfg.python}/bin/celery -A ${drv.pname}.webhooks worker --loglevel=info";
+        };
+      };
+    };
+
+    services.sourcehut.settings = {
+      # URL git.sr.ht is being served at (protocol://domain)
+      "git.sr.ht".origin = mkDefault "http://git.${cfg.originBase}";
+      # Address and port to bind the debug server to
+      "git.sr.ht".debug-host = mkDefault "0.0.0.0";
+      "git.sr.ht".debug-port = mkDefault port;
+      # Configures the SQLAlchemy connection string for the database.
+      "git.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
+      # Set to "yes" to automatically run migrations on package upgrade.
+      "git.sr.ht".migrate-on-upgrade = mkDefault "yes";
+      # The redis connection used for the webhooks worker
+      "git.sr.ht".webhooks = mkDefault "redis://${rcfg.bind}:${toString rcfg.port}/1";
+
+      # A post-update script which is installed in every git repo.
+      "git.sr.ht".post-update-script = mkDefault "${pkgs.sourcehut.gitsrht}/bin/gitsrht-update-hook";
+
+      # git.sr.ht's OAuth client ID and secret for meta.sr.ht
+      # Register your client at meta.example.org/oauth
+      "git.sr.ht".oauth-client-id = mkDefault null;
+      "git.sr.ht".oauth-client-secret = mkDefault null;
+      # Path to git repositories on disk
+      "git.sr.ht".repos = mkDefault "/var/lib/git";
+
+      "git.sr.ht".outgoing-domain = mkDefault "http://git.${cfg.originBase}";
+
+      # The authorized keys hook uses this to dispatch to various handlers
+      # The format is a program to exec into as the key, and the user to match as the
+      # value. When someone tries to log in as this user, this program is executed
+      # and is expected to omit an AuthorizedKeys file.
+      #
+      # Discard of the string context is in order to allow derivation-derived strings.
+      # This is safe if the relevant package is installed which will be the case if the setting is utilized.
+      "git.sr.ht::dispatch".${builtins.unsafeDiscardStringContext "${pkgs.sourcehut.gitsrht}/bin/gitsrht-keys"} = mkDefault "${user}:${user}";
+    };
+
+    services.nginx.virtualHosts."git.${cfg.originBase}" = {
+      forceSSL = true;
+      locations."/".proxyPass = "http://${cfg.address}:${toString port}";
+      locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
+      locations."/static".root = "${pkgs.sourcehut.gitsrht}/${pkgs.sourcehut.python.sitePackages}/gitsrht";
+      extraConfig = ''
+            location = /authorize {
+            proxy_pass http://${cfg.address}:${toString port};
+            proxy_pass_request_body off;
+            proxy_set_header Content-Length "";
+            proxy_set_header X-Original-URI $request_uri;
+        }
+            location ~ ^/([^/]+)/([^/]+)/(HEAD|info/refs|objects/info/.*|git-upload-pack).*$ {
+                auth_request /authorize;
+                root /var/lib/git;
+                fastcgi_pass unix:/run/fcgiwrap.sock;
+                fastcgi_param SCRIPT_FILENAME ${pkgs.git}/bin/git-http-backend;
+                fastcgi_param PATH_INFO $uri;
+                fastcgi_param GIT_PROJECT_ROOT $document_root;
+                fastcgi_read_timeout 500s;
+                include ${config.services.nginx.package}/conf/fastcgi_params;
+                gzip off;
+            }
+      '';
+
+    };
+  };
+}
diff --git a/nixos/modules/services/misc/sourcehut/hg.nix b/nixos/modules/services/misc/sourcehut/hg.nix
new file mode 100644
index 00000000000..6ba1df8b6dd
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/hg.nix
@@ -0,0 +1,175 @@
+{ config, lib, options, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.sourcehut;
+  opt = options.services.sourcehut;
+  scfg = cfg.hg;
+  iniKey = "hg.sr.ht";
+
+  rcfg = config.services.redis;
+  drv = pkgs.sourcehut.hgsrht;
+in
+{
+  options.services.sourcehut.hg = {
+    user = mkOption {
+      type = types.str;
+      internal = true;
+      readOnly = true;
+      default = "hg";
+      description = ''
+        User for hg.sr.ht.
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 5010;
+      description = ''
+        Port on which the "hg" module should listen.
+      '';
+    };
+
+    database = mkOption {
+      type = types.str;
+      default = "hg.sr.ht";
+      description = ''
+        PostgreSQL database name for hg.sr.ht.
+      '';
+    };
+
+    statePath = mkOption {
+      type = types.path;
+      default = "${cfg.statePath}/hgsrht";
+      defaultText = literalExpression ''"''${config.${opt.statePath}}/hgsrht"'';
+      description = ''
+        State path for hg.sr.ht.
+      '';
+    };
+
+    cloneBundles = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        Generate clonebundles (which require more disk space but dramatically speed up cloning large repositories).
+      '';
+    };
+  };
+
+  config = with scfg; lib.mkIf (cfg.enable && elem "hg" cfg.services) {
+    # In case it ever comes into being
+    environment.etc."ssh/hgsrht-dispatch" = {
+      mode = "0755";
+      text = ''
+        #! ${pkgs.stdenv.shell}
+        ${cfg.python}/bin/gitsrht-dispatch $@
+      '';
+    };
+
+    environment.systemPackages = [ pkgs.mercurial ];
+
+    users = {
+      users = {
+        "${user}" = {
+          isSystemUser = true;
+          group = user;
+          # Assuming hg.sr.ht needs this too
+          shell = pkgs.bash;
+          description = "hg.sr.ht user";
+        };
+      };
+
+      groups = {
+        "${user}" = { };
+      };
+    };
+
+    services = {
+      cron.systemCronJobs = [ "*/20 * * * * ${cfg.python}/bin/hgsrht-periodic" ]
+        ++ optional cloneBundles "0 * * * * ${cfg.python}/bin/hgsrht-clonebundles";
+
+      openssh.authorizedKeysCommand = ''/etc/ssh/hgsrht-dispatch "%u" "%h" "%t" "%k"'';
+      openssh.authorizedKeysCommandUser = "root";
+      openssh.extraConfig = ''
+        PermitUserEnvironment SRHT_*
+      '';
+
+      postgresql = {
+        authentication = ''
+          local ${database} ${user} trust
+        '';
+        ensureDatabases = [ database ];
+        ensureUsers = [
+          {
+            name = user;
+            ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
+          }
+        ];
+      };
+    };
+
+    systemd = {
+      tmpfiles.rules = [
+        # /var/log is owned by root
+        "f /var/log/hg-srht-shell 0644 ${user} ${user} -"
+
+        "d ${statePath} 0750 ${user} ${user} -"
+        "d ${cfg.settings."${iniKey}".repos} 2755 ${user} ${user} -"
+      ];
+
+      services.hgsrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
+        after = [ "redis.service" "postgresql.service" "network.target" ];
+        requires = [ "redis.service" "postgresql.service" ];
+        wantedBy = [ "multi-user.target" ];
+
+        path = [ pkgs.mercurial ];
+        description = "hg.sr.ht website service";
+
+        serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
+      };
+    };
+
+    services.sourcehut.settings = {
+      # URL hg.sr.ht is being served at (protocol://domain)
+      "hg.sr.ht".origin = mkDefault "http://hg.${cfg.originBase}";
+      # Address and port to bind the debug server to
+      "hg.sr.ht".debug-host = mkDefault "0.0.0.0";
+      "hg.sr.ht".debug-port = mkDefault port;
+      # Configures the SQLAlchemy connection string for the database.
+      "hg.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
+      # The redis connection used for the webhooks worker
+      "hg.sr.ht".webhooks = mkDefault "redis://${rcfg.bind}:${toString rcfg.port}/1";
+      # A post-update script which is installed in every mercurial repo.
+      "hg.sr.ht".changegroup-script = mkDefault "${cfg.python}/bin/hgsrht-hook-changegroup";
+      # hg.sr.ht's OAuth client ID and secret for meta.sr.ht
+      # Register your client at meta.example.org/oauth
+      "hg.sr.ht".oauth-client-id = mkDefault null;
+      "hg.sr.ht".oauth-client-secret = mkDefault null;
+      # Path to mercurial repositories on disk
+      "hg.sr.ht".repos = mkDefault "/var/lib/hg";
+      # Path to the srht mercurial extension
+      # (defaults to where the hgsrht code is)
+      # "hg.sr.ht".srhtext = mkDefault null;
+      # .hg/store size (in MB) past which the nightly job generates clone bundles.
+      # "hg.sr.ht".clone_bundle_threshold = mkDefault 50;
+      # Path to hg-ssh (if not in $PATH)
+      # "hg.sr.ht".hg_ssh = mkDefault /path/to/hg-ssh;
+
+      # The authorized keys hook uses this to dispatch to various handlers
+      # The format is a program to exec into as the key, and the user to match as the
+      # value. When someone tries to log in as this user, this program is executed
+      # and is expected to omit an AuthorizedKeys file.
+      #
+      # Uncomment the relevant lines to enable the various sr.ht dispatchers.
+      "hg.sr.ht::dispatch"."/run/current-system/sw/bin/hgsrht-keys" = mkDefault "${user}:${user}";
+    };
+
+    # TODO: requires testing and addition of hg-specific requirements
+    services.nginx.virtualHosts."hg.${cfg.originBase}" = {
+      forceSSL = true;
+      locations."/".proxyPass = "http://${cfg.address}:${toString port}";
+      locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
+      locations."/static".root = "${pkgs.sourcehut.hgsrht}/${pkgs.sourcehut.python.sitePackages}/hgsrht";
+    };
+  };
+}
diff --git a/nixos/modules/services/misc/sourcehut/hub.nix b/nixos/modules/services/misc/sourcehut/hub.nix
new file mode 100644
index 00000000000..7d137a76505
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/hub.nix
@@ -0,0 +1,120 @@
+{ config, lib, options, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.sourcehut;
+  opt = options.services.sourcehut;
+  cfgIni = cfg.settings;
+  scfg = cfg.hub;
+  iniKey = "hub.sr.ht";
+
+  drv = pkgs.sourcehut.hubsrht;
+in
+{
+  options.services.sourcehut.hub = {
+    user = mkOption {
+      type = types.str;
+      default = "hubsrht";
+      description = ''
+        User for hub.sr.ht.
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 5014;
+      description = ''
+        Port on which the "hub" module should listen.
+      '';
+    };
+
+    database = mkOption {
+      type = types.str;
+      default = "hub.sr.ht";
+      description = ''
+        PostgreSQL database name for hub.sr.ht.
+      '';
+    };
+
+    statePath = mkOption {
+      type = types.path;
+      default = "${cfg.statePath}/hubsrht";
+      defaultText = literalExpression ''"''${config.${opt.statePath}}/hubsrht"'';
+      description = ''
+        State path for hub.sr.ht.
+      '';
+    };
+  };
+
+  config = with scfg; lib.mkIf (cfg.enable && elem "hub" cfg.services) {
+    users = {
+      users = {
+        "${user}" = {
+          isSystemUser = true;
+          group = user;
+          description = "hub.sr.ht user";
+        };
+      };
+
+      groups = {
+        "${user}" = { };
+      };
+    };
+
+    services.postgresql = {
+      authentication = ''
+        local ${database} ${user} trust
+      '';
+      ensureDatabases = [ database ];
+      ensureUsers = [
+        {
+          name = user;
+          ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
+        }
+      ];
+    };
+
+    systemd = {
+      tmpfiles.rules = [
+        "d ${statePath} 0750 ${user} ${user} -"
+      ];
+
+      services.hubsrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
+        after = [ "postgresql.service" "network.target" ];
+        requires = [ "postgresql.service" ];
+        wantedBy = [ "multi-user.target" ];
+
+        description = "hub.sr.ht website service";
+
+        serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
+      };
+    };
+
+    services.sourcehut.settings = {
+      # URL hub.sr.ht is being served at (protocol://domain)
+      "hub.sr.ht".origin = mkDefault "http://hub.${cfg.originBase}";
+      # Address and port to bind the debug server to
+      "hub.sr.ht".debug-host = mkDefault "0.0.0.0";
+      "hub.sr.ht".debug-port = mkDefault port;
+      # Configures the SQLAlchemy connection string for the database.
+      "hub.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
+      # Set to "yes" to automatically run migrations on package upgrade.
+      "hub.sr.ht".migrate-on-upgrade = mkDefault "yes";
+      # hub.sr.ht's OAuth client ID and secret for meta.sr.ht
+      # Register your client at meta.example.org/oauth
+      "hub.sr.ht".oauth-client-id = mkDefault null;
+      "hub.sr.ht".oauth-client-secret = mkDefault null;
+    };
+
+    services.nginx.virtualHosts."${cfg.originBase}" = {
+      forceSSL = true;
+      locations."/".proxyPass = "http://${cfg.address}:${toString port}";
+      locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
+      locations."/static".root = "${pkgs.sourcehut.hubsrht}/${pkgs.sourcehut.python.sitePackages}/hubsrht";
+    };
+    services.nginx.virtualHosts."hub.${cfg.originBase}" = {
+      globalRedirect = "${cfg.originBase}";
+      forceSSL = true;
+    };
+  };
+}
diff --git a/nixos/modules/services/misc/sourcehut/lists.nix b/nixos/modules/services/misc/sourcehut/lists.nix
new file mode 100644
index 00000000000..76f155caa05
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/lists.nix
@@ -0,0 +1,187 @@
+# Email setup is fairly involved, useful references:
+# https://drewdevault.com/2018/08/05/Local-mail-server.html
+
+{ config, lib, options, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.sourcehut;
+  opt = options.services.sourcehut;
+  cfgIni = cfg.settings;
+  scfg = cfg.lists;
+  iniKey = "lists.sr.ht";
+
+  rcfg = config.services.redis;
+  drv = pkgs.sourcehut.listssrht;
+in
+{
+  options.services.sourcehut.lists = {
+    user = mkOption {
+      type = types.str;
+      default = "listssrht";
+      description = ''
+        User for lists.sr.ht.
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 5006;
+      description = ''
+        Port on which the "lists" module should listen.
+      '';
+    };
+
+    database = mkOption {
+      type = types.str;
+      default = "lists.sr.ht";
+      description = ''
+        PostgreSQL database name for lists.sr.ht.
+      '';
+    };
+
+    statePath = mkOption {
+      type = types.path;
+      default = "${cfg.statePath}/listssrht";
+      defaultText = literalExpression ''"''${config.${opt.statePath}}/listssrht"'';
+      description = ''
+        State path for lists.sr.ht.
+      '';
+    };
+  };
+
+  config = with scfg; lib.mkIf (cfg.enable && elem "lists" cfg.services) {
+    users = {
+      users = {
+        "${user}" = {
+          isSystemUser = true;
+          group = user;
+          extraGroups = [ "postfix" ];
+          description = "lists.sr.ht user";
+        };
+      };
+      groups = {
+        "${user}" = { };
+      };
+    };
+
+    services.postgresql = {
+      authentication = ''
+        local ${database} ${user} trust
+      '';
+      ensureDatabases = [ database ];
+      ensureUsers = [
+        {
+          name = user;
+          ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
+        }
+      ];
+    };
+
+    systemd = {
+      tmpfiles.rules = [
+        "d ${statePath} 0750 ${user} ${user} -"
+      ];
+
+      services = {
+        listssrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "lists.sr.ht website service";
+
+          serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
+        };
+
+        listssrht-process = {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "lists.sr.ht process service";
+          serviceConfig = {
+            Type = "simple";
+            User = user;
+            Restart = "always";
+            ExecStart = "${cfg.python}/bin/celery -A ${drv.pname}.process worker --loglevel=info";
+          };
+        };
+
+        listssrht-lmtp = {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "lists.sr.ht process service";
+          serviceConfig = {
+            Type = "simple";
+            User = user;
+            Restart = "always";
+            ExecStart = "${cfg.python}/bin/listssrht-lmtp";
+          };
+        };
+
+
+        listssrht-webhooks = {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "lists.sr.ht webhooks service";
+          serviceConfig = {
+            Type = "simple";
+            User = user;
+            Restart = "always";
+            ExecStart = "${cfg.python}/bin/celery -A ${drv.pname}.webhooks worker --loglevel=info";
+          };
+        };
+      };
+    };
+
+    services.sourcehut.settings = {
+      # URL lists.sr.ht is being served at (protocol://domain)
+      "lists.sr.ht".origin = mkDefault "http://lists.${cfg.originBase}";
+      # Address and port to bind the debug server to
+      "lists.sr.ht".debug-host = mkDefault "0.0.0.0";
+      "lists.sr.ht".debug-port = mkDefault port;
+      # Configures the SQLAlchemy connection string for the database.
+      "lists.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
+      # Set to "yes" to automatically run migrations on package upgrade.
+      "lists.sr.ht".migrate-on-upgrade = mkDefault "yes";
+      # lists.sr.ht's OAuth client ID and secret for meta.sr.ht
+      # Register your client at meta.example.org/oauth
+      "lists.sr.ht".oauth-client-id = mkDefault null;
+      "lists.sr.ht".oauth-client-secret = mkDefault null;
+      # Outgoing email for notifications generated by users
+      "lists.sr.ht".notify-from = mkDefault "CHANGEME@example.org";
+      # The redis connection used for the webhooks worker
+      "lists.sr.ht".webhooks = mkDefault "redis://${rcfg.bind}:${toString rcfg.port}/2";
+      # The redis connection used for the celery worker
+      "lists.sr.ht".redis = mkDefault "redis://${rcfg.bind}:${toString rcfg.port}/4";
+      # Network-key
+      "lists.sr.ht".network-key = mkDefault null;
+      # Allow creation
+      "lists.sr.ht".allow-new-lists = mkDefault "no";
+      # Posting Domain
+      "lists.sr.ht".posting-domain = mkDefault "lists.${cfg.originBase}";
+
+      # Path for the lmtp daemon's unix socket. Direct incoming mail to this socket.
+      # Alternatively, specify IP:PORT and an SMTP server will be run instead.
+      "lists.sr.ht::worker".sock = mkDefault "/tmp/lists.sr.ht-lmtp.sock";
+      # The lmtp daemon will make the unix socket group-read/write for users in this
+      # group.
+      "lists.sr.ht::worker".sock-group = mkDefault "postfix";
+      "lists.sr.ht::worker".reject-url = mkDefault "https://man.sr.ht/lists.sr.ht/etiquette.md";
+      "lists.sr.ht::worker".reject-mimetypes = mkDefault "text/html";
+
+    };
+
+    services.nginx.virtualHosts."lists.${cfg.originBase}" = {
+      forceSSL = true;
+      locations."/".proxyPass = "http://${cfg.address}:${toString port}";
+      locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
+      locations."/static".root = "${pkgs.sourcehut.listssrht}/${pkgs.sourcehut.python.sitePackages}/listssrht";
+    };
+  };
+}
diff --git a/nixos/modules/services/misc/sourcehut/man.nix b/nixos/modules/services/misc/sourcehut/man.nix
new file mode 100644
index 00000000000..8ca271c32ee
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/man.nix
@@ -0,0 +1,124 @@
+{ config, lib, options, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.sourcehut;
+  opt = options.services.sourcehut;
+  cfgIni = cfg.settings;
+  scfg = cfg.man;
+  iniKey = "man.sr.ht";
+
+  drv = pkgs.sourcehut.mansrht;
+in
+{
+  options.services.sourcehut.man = {
+    user = mkOption {
+      type = types.str;
+      default = "mansrht";
+      description = ''
+        User for man.sr.ht.
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 5004;
+      description = ''
+        Port on which the "man" module should listen.
+      '';
+    };
+
+    database = mkOption {
+      type = types.str;
+      default = "man.sr.ht";
+      description = ''
+        PostgreSQL database name for man.sr.ht.
+      '';
+    };
+
+    statePath = mkOption {
+      type = types.path;
+      default = "${cfg.statePath}/mansrht";
+      defaultText = literalExpression ''"''${config.${opt.statePath}}/mansrht"'';
+      description = ''
+        State path for man.sr.ht.
+      '';
+    };
+  };
+
+  config = with scfg; lib.mkIf (cfg.enable && elem "man" cfg.services) {
+    assertions =
+      [
+        {
+          assertion = hasAttrByPath [ "git.sr.ht" "oauth-client-id" ] cfgIni;
+          message = "man.sr.ht needs access to git.sr.ht.";
+        }
+      ];
+
+    users = {
+      users = {
+        "${user}" = {
+          isSystemUser = true;
+          group = user;
+          description = "man.sr.ht user";
+        };
+      };
+
+      groups = {
+        "${user}" = { };
+      };
+    };
+
+    services.postgresql = {
+      authentication = ''
+        local ${database} ${user} trust
+      '';
+      ensureDatabases = [ database ];
+      ensureUsers = [
+        {
+          name = user;
+          ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
+        }
+      ];
+    };
+
+    systemd = {
+      tmpfiles.rules = [
+        "d ${statePath} 0750 ${user} ${user} -"
+      ];
+
+      services.mansrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
+        after = [ "postgresql.service" "network.target" ];
+        requires = [ "postgresql.service" ];
+        wantedBy = [ "multi-user.target" ];
+
+        description = "man.sr.ht website service";
+
+        serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
+      };
+    };
+
+    services.sourcehut.settings = {
+      # URL man.sr.ht is being served at (protocol://domain)
+      "man.sr.ht".origin = mkDefault "http://man.${cfg.originBase}";
+      # Address and port to bind the debug server to
+      "man.sr.ht".debug-host = mkDefault "0.0.0.0";
+      "man.sr.ht".debug-port = mkDefault port;
+      # Configures the SQLAlchemy connection string for the database.
+      "man.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
+      # Set to "yes" to automatically run migrations on package upgrade.
+      "man.sr.ht".migrate-on-upgrade = mkDefault "yes";
+      # man.sr.ht's OAuth client ID and secret for meta.sr.ht
+      # Register your client at meta.example.org/oauth
+      "man.sr.ht".oauth-client-id = mkDefault null;
+      "man.sr.ht".oauth-client-secret = mkDefault null;
+    };
+
+    services.nginx.virtualHosts."man.${cfg.originBase}" = {
+      forceSSL = true;
+      locations."/".proxyPass = "http://${cfg.address}:${toString port}";
+      locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
+      locations."/static".root = "${pkgs.sourcehut.mansrht}/${pkgs.sourcehut.python.sitePackages}/mansrht";
+    };
+  };
+}
diff --git a/nixos/modules/services/misc/sourcehut/meta.nix b/nixos/modules/services/misc/sourcehut/meta.nix
new file mode 100644
index 00000000000..33e4f2332b5
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/meta.nix
@@ -0,0 +1,213 @@
+{ config, lib, options, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.sourcehut;
+  opt = options.services.sourcehut;
+  cfgIni = cfg.settings;
+  scfg = cfg.meta;
+  iniKey = "meta.sr.ht";
+
+  rcfg = config.services.redis;
+  drv = pkgs.sourcehut.metasrht;
+in
+{
+  options.services.sourcehut.meta = {
+    user = mkOption {
+      type = types.str;
+      default = "metasrht";
+      description = ''
+        User for meta.sr.ht.
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 5000;
+      description = ''
+        Port on which the "meta" module should listen.
+      '';
+    };
+
+    database = mkOption {
+      type = types.str;
+      default = "meta.sr.ht";
+      description = ''
+        PostgreSQL database name for meta.sr.ht.
+      '';
+    };
+
+    statePath = mkOption {
+      type = types.path;
+      default = "${cfg.statePath}/metasrht";
+      defaultText = literalExpression ''"''${config.${opt.statePath}}/metasrht"'';
+      description = ''
+        State path for meta.sr.ht.
+      '';
+    };
+  };
+
+  config = with scfg; lib.mkIf (cfg.enable && elem "meta" cfg.services) {
+    assertions =
+      [
+        {
+          assertion = with cfgIni."meta.sr.ht::billing"; enabled == "yes" -> (stripe-public-key != null && stripe-secret-key != null);
+          message = "If meta.sr.ht::billing is enabled, the keys should be defined.";
+        }
+      ];
+
+    users = {
+      users = {
+        ${user} = {
+          isSystemUser = true;
+          group = user;
+          description = "meta.sr.ht user";
+        };
+      };
+
+      groups = {
+        "${user}" = { };
+      };
+    };
+
+    services.cron.systemCronJobs = [ "0 0 * * * ${cfg.python}/bin/metasrht-daily" ];
+    services.postgresql = {
+      authentication = ''
+        local ${database} ${user} trust
+      '';
+      ensureDatabases = [ database ];
+      ensureUsers = [
+        {
+          name = user;
+          ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
+        }
+      ];
+    };
+
+    systemd = {
+      tmpfiles.rules = [
+        "d ${statePath} 0750 ${user} ${user} -"
+      ];
+
+      services = {
+        metasrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "meta.sr.ht website service";
+
+          preStart = ''
+            # Configure client(s) as "preauthorized"
+            ${concatMapStringsSep "\n\n"
+              (attr: ''
+                if ! test -e "${statePath}/${attr}.oauth" || [ "$(cat ${statePath}/${attr}.oauth)" != "${cfgIni."${attr}".oauth-client-id}" ]; then
+                  # Configure ${attr}'s OAuth client as "preauthorized"
+                  psql ${database} \
+                    -c "UPDATE oauthclient SET preauthorized = true WHERE client_id = '${cfgIni."${attr}".oauth-client-id}'"
+
+                  printf "%s" "${cfgIni."${attr}".oauth-client-id}" > "${statePath}/${attr}.oauth"
+                fi
+              '')
+              (builtins.attrNames (filterAttrs
+                (k: v: !(hasInfix "::" k) && builtins.hasAttr "oauth-client-id" v && v.oauth-client-id != null)
+                cfg.settings))}
+          '';
+
+          serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
+        };
+
+        metasrht-api = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "meta.sr.ht api service";
+
+          preStart = ''
+            # Configure client(s) as "preauthorized"
+            ${concatMapStringsSep "\n\n"
+              (attr: ''
+                if ! test -e "${statePath}/${attr}.oauth" || [ "$(cat ${statePath}/${attr}.oauth)" != "${cfgIni."${attr}".oauth-client-id}" ]; then
+                  # Configure ${attr}'s OAuth client as "preauthorized"
+                  psql ${database} \
+                    -c "UPDATE oauthclient SET preauthorized = true WHERE client_id = '${cfgIni."${attr}".oauth-client-id}'"
+
+                  printf "%s" "${cfgIni."${attr}".oauth-client-id}" > "${statePath}/${attr}.oauth"
+                fi
+              '')
+              (builtins.attrNames (filterAttrs
+                (k: v: !(hasInfix "::" k) && builtins.hasAttr "oauth-client-id" v && v.oauth-client-id != null)
+                cfg.settings))}
+          '';
+
+          serviceConfig.ExecStart = "${pkgs.sourcehut.metasrht}/bin/metasrht-api -b :${toString (port + 100)}";
+        };
+
+        metasrht-webhooks = {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "meta.sr.ht webhooks service";
+          serviceConfig = {
+            Type = "simple";
+            User = user;
+            Restart = "always";
+            ExecStart = "${cfg.python}/bin/celery -A ${drv.pname}.webhooks worker --loglevel=info";
+          };
+
+        };
+      };
+    };
+
+    services.sourcehut.settings = {
+      # URL meta.sr.ht is being served at (protocol://domain)
+      "meta.sr.ht".origin = mkDefault "https://meta.${cfg.originBase}";
+      # Address and port to bind the debug server to
+      "meta.sr.ht".debug-host = mkDefault "0.0.0.0";
+      "meta.sr.ht".debug-port = mkDefault port;
+      # Configures the SQLAlchemy connection string for the database.
+      "meta.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
+      # Set to "yes" to automatically run migrations on package upgrade.
+      "meta.sr.ht".migrate-on-upgrade = mkDefault "yes";
+      # If "yes", the user will be sent the stock sourcehut welcome emails after
+      # signup (requires cron to be configured properly). These are specific to the
+      # sr.ht instance so you probably want to patch these before enabling this.
+      "meta.sr.ht".welcome-emails = mkDefault "no";
+
+      # The redis connection used for the webhooks worker
+      "meta.sr.ht".webhooks = mkDefault "redis://${rcfg.bind}:${toString rcfg.port}/6";
+
+      # If "no", public registration will not be permitted.
+      "meta.sr.ht::settings".registration = mkDefault "no";
+      # Where to redirect new users upon registration
+      "meta.sr.ht::settings".onboarding-redirect = mkDefault "https://meta.${cfg.originBase}";
+      # How many invites each user is issued upon registration (only applicable if
+      # open registration is disabled)
+      "meta.sr.ht::settings".user-invites = mkDefault 5;
+
+      # Origin URL for API, 100 more than web
+      "meta.sr.ht".api-origin = mkDefault "http://localhost:5100";
+
+      # You can add aliases for the client IDs of commonly used OAuth clients here.
+      #
+      # Example:
+      "meta.sr.ht::aliases" = mkDefault { };
+      # "meta.sr.ht::aliases"."git.sr.ht" = 12345;
+
+      # "yes" to enable the billing system
+      "meta.sr.ht::billing".enabled = mkDefault "no";
+      # Get your keys at https://dashboard.stripe.com/account/apikeys
+      "meta.sr.ht::billing".stripe-public-key = mkDefault null;
+      "meta.sr.ht::billing".stripe-secret-key = mkDefault null;
+    };
+
+    services.nginx.virtualHosts."meta.${cfg.originBase}" = {
+      forceSSL = true;
+      locations."/".proxyPass = "http://${cfg.address}:${toString port}";
+      locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
+      locations."/static".root = "${pkgs.sourcehut.metasrht}/${pkgs.sourcehut.python.sitePackages}/metasrht";
+    };
+  };
+}
diff --git a/nixos/modules/services/misc/sourcehut/paste.nix b/nixos/modules/services/misc/sourcehut/paste.nix
new file mode 100644
index 00000000000..b481ebaf891
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/paste.nix
@@ -0,0 +1,135 @@
+{ config, lib, options, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.sourcehut;
+  opt = options.services.sourcehut;
+  cfgIni = cfg.settings;
+  scfg = cfg.paste;
+  iniKey = "paste.sr.ht";
+
+  rcfg = config.services.redis;
+  drv = pkgs.sourcehut.pastesrht;
+in
+{
+  options.services.sourcehut.paste = {
+    user = mkOption {
+      type = types.str;
+      default = "pastesrht";
+      description = ''
+        User for paste.sr.ht.
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 5011;
+      description = ''
+        Port on which the "paste" module should listen.
+      '';
+    };
+
+    database = mkOption {
+      type = types.str;
+      default = "paste.sr.ht";
+      description = ''
+        PostgreSQL database name for paste.sr.ht.
+      '';
+    };
+
+    statePath = mkOption {
+      type = types.path;
+      default = "${cfg.statePath}/pastesrht";
+      defaultText = literalExpression ''"''${config.${opt.statePath}}/pastesrht"'';
+      description = ''
+        State path for pastesrht.sr.ht.
+      '';
+    };
+  };
+
+  config = with scfg; lib.mkIf (cfg.enable && elem "paste" cfg.services) {
+    users = {
+      users = {
+        "${user}" = {
+          isSystemUser = true;
+          group = user;
+          description = "paste.sr.ht user";
+        };
+      };
+
+      groups = {
+        "${user}" = { };
+      };
+    };
+
+    services.postgresql = {
+      authentication = ''
+        local ${database} ${user} trust
+      '';
+      ensureDatabases = [ database ];
+      ensureUsers = [
+        {
+          name = user;
+          ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
+        }
+      ];
+    };
+
+    systemd = {
+      tmpfiles.rules = [
+        "d ${statePath} 0750 ${user} ${user} -"
+      ];
+
+      services = {
+        pastesrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "paste.sr.ht website service";
+
+          serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
+        };
+
+        pastesrht-webhooks = {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "paste.sr.ht webhooks service";
+          serviceConfig = {
+            Type = "simple";
+            User = user;
+            Restart = "always";
+            ExecStart = "${cfg.python}/bin/celery -A ${drv.pname}.webhooks worker --loglevel=info";
+          };
+
+        };
+      };
+    };
+
+    services.sourcehut.settings = {
+      # URL paste.sr.ht is being served at (protocol://domain)
+      "paste.sr.ht".origin = mkDefault "http://paste.${cfg.originBase}";
+      # Address and port to bind the debug server to
+      "paste.sr.ht".debug-host = mkDefault "0.0.0.0";
+      "paste.sr.ht".debug-port = mkDefault port;
+      # Configures the SQLAlchemy connection string for the database.
+      "paste.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
+      # Set to "yes" to automatically run migrations on package upgrade.
+      "paste.sr.ht".migrate-on-upgrade = mkDefault "yes";
+      # paste.sr.ht's OAuth client ID and secret for meta.sr.ht
+      # Register your client at meta.example.org/oauth
+      "paste.sr.ht".oauth-client-id = mkDefault null;
+      "paste.sr.ht".oauth-client-secret = mkDefault null;
+      "paste.sr.ht".webhooks = mkDefault "redis://${rcfg.bind}:${toString rcfg.port}/5";
+    };
+
+    services.nginx.virtualHosts."paste.${cfg.originBase}" = {
+      forceSSL = true;
+      locations."/".proxyPass = "http://${cfg.address}:${toString port}";
+      locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
+      locations."/static".root = "${pkgs.sourcehut.pastesrht}/${pkgs.sourcehut.python.sitePackages}/pastesrht";
+    };
+  };
+}
diff --git a/nixos/modules/services/misc/sourcehut/service.nix b/nixos/modules/services/misc/sourcehut/service.nix
new file mode 100644
index 00000000000..f1706ad0a6a
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/service.nix
@@ -0,0 +1,375 @@
+srv:
+{ configIniOfService
+, srvsrht ? "${srv}srht" # Because "buildsrht" does not follow that pattern (missing an "s").
+, iniKey ? "${srv}.sr.ht"
+, webhooks ? false
+, extraTimers ? {}
+, mainService ? {}
+, extraServices ? {}
+, extraConfig ? {}
+, port
+}:
+{ config, lib, pkgs, ... }:
+
+with lib;
+let
+  inherit (config.services) postgresql;
+  redis = config.services.redis.servers."sourcehut-${srvsrht}";
+  inherit (config.users) users;
+  cfg = config.services.sourcehut;
+  configIni = configIniOfService srv;
+  srvCfg = cfg.${srv};
+  baseService = serviceName: { allowStripe ? false }: extraService: let
+    runDir = "/run/sourcehut/${serviceName}";
+    rootDir = "/run/sourcehut/chroots/${serviceName}";
+    in
+    mkMerge [ extraService {
+    after = [ "network.target" ] ++
+      optional cfg.postgresql.enable "postgresql.service" ++
+      optional cfg.redis.enable "redis-sourcehut-${srvsrht}.service";
+    requires =
+      optional cfg.postgresql.enable "postgresql.service" ++
+      optional cfg.redis.enable "redis-sourcehut-${srvsrht}.service";
+    path = [ pkgs.gawk ];
+    environment.HOME = runDir;
+    serviceConfig = {
+      User = mkDefault srvCfg.user;
+      Group = mkDefault srvCfg.group;
+      RuntimeDirectory = [
+        "sourcehut/${serviceName}"
+        # Used by *srht-keys which reads ../config.ini
+        "sourcehut/${serviceName}/subdir"
+        "sourcehut/chroots/${serviceName}"
+      ];
+      RuntimeDirectoryMode = "2750";
+      # No need for the chroot path once inside the chroot
+      InaccessiblePaths = [ "-+${rootDir}" ];
+      # g+rx is for group members (eg. fcgiwrap or nginx)
+      # to read Git/Mercurial repositories, buildlogs, etc.
+      # o+x is for intermediate directories created by BindPaths= and like,
+      # as they're owned by root:root.
+      UMask = "0026";
+      RootDirectory = rootDir;
+      RootDirectoryStartOnly = true;
+      PrivateTmp = true;
+      MountAPIVFS = true;
+      # config.ini is looked up in there, before /etc/srht/config.ini
+      # Note that it fails to be set in ExecStartPre=
+      WorkingDirectory = mkDefault ("-"+runDir);
+      BindReadOnlyPaths = [
+        builtins.storeDir
+        "/etc"
+        "/run/booted-system"
+        "/run/current-system"
+        "/run/systemd"
+        ] ++
+        optional cfg.postgresql.enable "/run/postgresql" ++
+        optional cfg.redis.enable "/run/redis-sourcehut-${srvsrht}";
+      # LoadCredential= are unfortunately not available in ExecStartPre=
+      # Hence this one is run as root (the +) with RootDirectoryStartOnly=
+      # to reach credentials wherever they are.
+      # Note that each systemd service gets its own ${runDir}/config.ini file.
+      ExecStartPre = mkBefore [("+"+pkgs.writeShellScript "${serviceName}-credentials" ''
+        set -x
+        # Replace values begining with a '<' by the content of the file whose name is after.
+        gawk '{ if (match($0,/^([^=]+=)<(.+)/,m)) { getline f < m[2]; print m[1] f } else print $0 }' ${configIni} |
+        ${optionalString (!allowStripe) "gawk '!/^stripe-secret-key=/' |"}
+        install -o ${srvCfg.user} -g root -m 400 /dev/stdin ${runDir}/config.ini
+      '')];
+      # The following options are only for optimizing:
+      # systemd-analyze security
+      AmbientCapabilities = "";
+      CapabilityBoundingSet = "";
+      # ProtectClock= adds DeviceAllow=char-rtc r
+      DeviceAllow = "";
+      LockPersonality = true;
+      MemoryDenyWriteExecute = true;
+      NoNewPrivileges = true;
+      PrivateDevices = true;
+      PrivateMounts = true;
+      PrivateNetwork = mkDefault false;
+      PrivateUsers = true;
+      ProcSubset = "pid";
+      ProtectClock = true;
+      ProtectControlGroups = true;
+      ProtectHome = true;
+      ProtectHostname = true;
+      ProtectKernelLogs = true;
+      ProtectKernelModules = true;
+      ProtectKernelTunables = true;
+      ProtectProc = "invisible";
+      ProtectSystem = "strict";
+      RemoveIPC = true;
+      RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" ];
+      RestrictNamespaces = true;
+      RestrictRealtime = true;
+      RestrictSUIDSGID = true;
+      #SocketBindAllow = [ "tcp:${toString srvCfg.port}" "tcp:${toString srvCfg.prometheusPort}" ];
+      #SocketBindDeny = "any";
+      SystemCallFilter = [
+        "@system-service"
+        "~@aio" "~@keyring" "~@memlock" "~@privileged" "~@resources" "~@timer"
+        "@chown" "@setuid"
+      ];
+      SystemCallArchitectures = "native";
+    };
+  } ];
+in
+{
+  options.services.sourcehut.${srv} = {
+    enable = mkEnableOption "${srv} service";
+
+    user = mkOption {
+      type = types.str;
+      default = srvsrht;
+      description = ''
+        User for ${srv}.sr.ht.
+      '';
+    };
+
+    group = mkOption {
+      type = types.str;
+      default = srvsrht;
+      description = ''
+        Group for ${srv}.sr.ht.
+        Membership grants access to the Git/Mercurial repositories by default,
+        but not to the config.ini file (where secrets are).
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = port;
+      description = ''
+        Port on which the "${srv}" backend should listen.
+      '';
+    };
+
+    redis = {
+      host = mkOption {
+        type = types.str;
+        default = "unix:/run/redis-sourcehut-${srvsrht}/redis.sock?db=0";
+        example = "redis://shared.wireguard:6379/0";
+        description = ''
+          The redis host URL. This is used for caching and temporary storage, and must
+          be shared between nodes (e.g. git1.sr.ht and git2.sr.ht), but need not be
+          shared between services. It may be shared between services, however, with no
+          ill effect, if this better suits your infrastructure.
+        '';
+      };
+    };
+
+    postgresql = {
+      database = mkOption {
+        type = types.str;
+        default = "${srv}.sr.ht";
+        description = ''
+          PostgreSQL database name for the ${srv}.sr.ht service,
+          used if <xref linkend="opt-services.sourcehut.postgresql.enable"/> is <literal>true</literal>.
+        '';
+      };
+    };
+
+    gunicorn = {
+      extraArgs = mkOption {
+        type = with types; listOf str;
+        default = ["--timeout 120" "--workers 1" "--log-level=info"];
+        description = "Extra arguments passed to Gunicorn.";
+      };
+    };
+  } // optionalAttrs webhooks {
+    webhooks = {
+      extraArgs = mkOption {
+        type = with types; listOf str;
+        default = ["--loglevel DEBUG" "--pool eventlet" "--without-heartbeat"];
+        description = "Extra arguments passed to the Celery responsible for webhooks.";
+      };
+      celeryConfig = mkOption {
+        type = types.lines;
+        default = "";
+        description = "Content of the <literal>celeryconfig.py</literal> used by the Celery responsible for webhooks.";
+      };
+    };
+  };
+
+  config = lib.mkIf (cfg.enable && srvCfg.enable) (mkMerge [ extraConfig {
+    users = {
+      users = {
+        "${srvCfg.user}" = {
+          isSystemUser = true;
+          group = mkDefault srvCfg.group;
+          description = mkDefault "sourcehut user for ${srv}.sr.ht";
+        };
+      };
+      groups = {
+        "${srvCfg.group}" = { };
+      } // optionalAttrs (cfg.postgresql.enable
+        && hasSuffix "0" (postgresql.settings.unix_socket_permissions or "")) {
+        "postgres".members = [ srvCfg.user ];
+      } // optionalAttrs (cfg.redis.enable
+        && hasSuffix "0" (redis.settings.unixsocketperm or "")) {
+        "redis-sourcehut-${srvsrht}".members = [ srvCfg.user ];
+      };
+    };
+
+    services.nginx = mkIf cfg.nginx.enable {
+      virtualHosts."${srv}.${cfg.settings."sr.ht".global-domain}" = mkMerge [ {
+        forceSSL = mkDefault true;
+        locations."/".proxyPass = "http://${cfg.listenAddress}:${toString srvCfg.port}";
+        locations."/static" = {
+          root = "${pkgs.sourcehut.${srvsrht}}/${pkgs.sourcehut.python.sitePackages}/${srvsrht}";
+          extraConfig = mkDefault ''
+            expires 30d;
+          '';
+        };
+      } cfg.nginx.virtualHost ];
+    };
+
+    services.postgresql = mkIf cfg.postgresql.enable {
+      authentication = ''
+        local ${srvCfg.postgresql.database} ${srvCfg.user} trust
+      '';
+      ensureDatabases = [ srvCfg.postgresql.database ];
+      ensureUsers = map (name: {
+          inherit name;
+          ensurePermissions = { "DATABASE \"${srvCfg.postgresql.database}\"" = "ALL PRIVILEGES"; };
+        }) [srvCfg.user];
+    };
+
+    services.sourcehut.services = mkDefault (filter (s: cfg.${s}.enable)
+      [ "builds" "dispatch" "git" "hg" "hub" "lists" "man" "meta" "pages" "paste" "todo" ]);
+
+    services.sourcehut.settings = mkMerge [
+      {
+        "${srv}.sr.ht".origin = mkDefault "https://${srv}.${cfg.settings."sr.ht".global-domain}";
+      }
+
+      (mkIf cfg.postgresql.enable {
+        "${srv}.sr.ht".connection-string = mkDefault "postgresql:///${srvCfg.postgresql.database}?user=${srvCfg.user}&host=/run/postgresql";
+      })
+    ];
+
+    services.redis.servers."sourcehut-${srvsrht}" = mkIf cfg.redis.enable {
+      enable = true;
+      databases = 3;
+      syslog = true;
+      # TODO: set a more informed value
+      save = mkDefault [ [1800 10] [300 100] ];
+      settings = {
+        # TODO: set a more informed value
+        maxmemory = "128MB";
+        maxmemory-policy = "volatile-ttl";
+      };
+    };
+
+    systemd.services = mkMerge [
+      {
+        "${srvsrht}" = baseService srvsrht { allowStripe = srv == "meta"; } (mkMerge [
+        {
+          description = "sourcehut ${srv}.sr.ht website service";
+          before = optional cfg.nginx.enable "nginx.service";
+          wants = optional cfg.nginx.enable "nginx.service";
+          wantedBy = [ "multi-user.target" ];
+          path = optional cfg.postgresql.enable postgresql.package;
+          # Beware: change in credentials' content will not trigger restart.
+          restartTriggers = [ configIni ];
+          serviceConfig = {
+            Type = "simple";
+            Restart = mkDefault "always";
+            #RestartSec = mkDefault "2min";
+            StateDirectory = [ "sourcehut/${srvsrht}" ];
+            StateDirectoryMode = "2750";
+            ExecStart = "${cfg.python}/bin/gunicorn ${srvsrht}.app:app --name ${srvsrht} --bind ${cfg.listenAddress}:${toString srvCfg.port} " + concatStringsSep " " srvCfg.gunicorn.extraArgs;
+          };
+          preStart = let
+            version = pkgs.sourcehut.${srvsrht}.version;
+            stateDir = "/var/lib/sourcehut/${srvsrht}";
+            in mkBefore ''
+            set -x
+            # Use the /run/sourcehut/${srvsrht}/config.ini
+            # installed by a previous ExecStartPre= in baseService
+            cd /run/sourcehut/${srvsrht}
+
+            if test ! -e ${stateDir}/db; then
+              # Setup the initial database.
+              # Note that it stamps the alembic head afterward
+              ${cfg.python}/bin/${srvsrht}-initdb
+              echo ${version} >${stateDir}/db
+            fi
+
+            ${optionalString cfg.settings.${iniKey}.migrate-on-upgrade ''
+              if [ "$(cat ${stateDir}/db)" != "${version}" ]; then
+                # Manage schema migrations using alembic
+                ${cfg.python}/bin/${srvsrht}-migrate -a upgrade head
+                echo ${version} >${stateDir}/db
+              fi
+            ''}
+
+            # Update copy of each users' profile to the latest
+            # See https://lists.sr.ht/~sircmpwn/sr.ht-admins/<20190302181207.GA13778%40cirno.my.domain>
+            if test ! -e ${stateDir}/webhook; then
+              # Update ${iniKey}'s users' profile copy to the latest
+              ${cfg.python}/bin/srht-update-profiles ${iniKey}
+              touch ${stateDir}/webhook
+            fi
+          '';
+        } mainService ]);
+      }
+
+      (mkIf webhooks {
+        "${srvsrht}-webhooks" = baseService "${srvsrht}-webhooks" {}
+          {
+            description = "sourcehut ${srv}.sr.ht webhooks service";
+            after = [ "${srvsrht}.service" ];
+            wantedBy = [ "${srvsrht}.service" ];
+            partOf = [ "${srvsrht}.service" ];
+            preStart = ''
+              cp ${pkgs.writeText "${srvsrht}-webhooks-celeryconfig.py" srvCfg.webhooks.celeryConfig} \
+                 /run/sourcehut/${srvsrht}-webhooks/celeryconfig.py
+            '';
+            serviceConfig = {
+              Type = "simple";
+              Restart = "always";
+              ExecStart = "${cfg.python}/bin/celery --app ${srvsrht}.webhooks worker --hostname ${srvsrht}-webhooks@%%h " + concatStringsSep " " srvCfg.webhooks.extraArgs;
+              # Avoid crashing: os.getloadavg()
+              ProcSubset = mkForce "all";
+            };
+          };
+      })
+
+      (mapAttrs (timerName: timer: (baseService timerName {} (mkMerge [
+        {
+          description = "sourcehut ${timerName} service";
+          after = [ "network.target" "${srvsrht}.service" ];
+          serviceConfig = {
+            Type = "oneshot";
+            ExecStart = "${cfg.python}/bin/${timerName}";
+          };
+        }
+        (timer.service or {})
+      ]))) extraTimers)
+
+      (mapAttrs (serviceName: extraService: baseService serviceName {} (mkMerge [
+        {
+          description = "sourcehut ${serviceName} service";
+          # So that extraServices have the PostgreSQL database initialized.
+          after = [ "${srvsrht}.service" ];
+          wantedBy = [ "${srvsrht}.service" ];
+          partOf = [ "${srvsrht}.service" ];
+          serviceConfig = {
+            Type = "simple";
+            Restart = mkDefault "always";
+          };
+        }
+        extraService
+      ])) extraServices)
+    ];
+
+    systemd.timers = mapAttrs (timerName: timer:
+      {
+        description = "sourcehut timer for ${timerName}";
+        wantedBy = [ "timers.target" ];
+        inherit (timer) timerConfig;
+      }) extraTimers;
+  } ]);
+}
diff --git a/nixos/modules/services/misc/sourcehut/sourcehut.xml b/nixos/modules/services/misc/sourcehut/sourcehut.xml
new file mode 100644
index 00000000000..41094f65a94
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/sourcehut.xml
@@ -0,0 +1,119 @@
+<chapter xmlns="http://docbook.org/ns/docbook"
+         xmlns:xlink="http://www.w3.org/1999/xlink"
+         xmlns:xi="http://www.w3.org/2001/XInclude"
+         version="5.0"
+         xml:id="module-services-sourcehut">
+ <title>Sourcehut</title>
+ <para>
+  <link xlink:href="https://sr.ht.com/">Sourcehut</link> is an open-source,
+  self-hostable software development platform. The server setup can be automated using
+  <link linkend="opt-services.sourcehut.enable">services.sourcehut</link>.
+ </para>
+
+ <section xml:id="module-services-sourcehut-basic-usage">
+  <title>Basic usage</title>
+  <para>
+   Sourcehut is a Python and Go based set of applications.
+   This NixOS module also provides basic configuration integrating Sourcehut into locally running
+   <literal><link linkend="opt-services.nginx.enable">services.nginx</link></literal>,
+   <literal><link linkend="opt-services.redis.servers">services.redis.servers.sourcehut</link></literal>,
+   <literal><link linkend="opt-services.postfix.enable">services.postfix</link></literal>
+   and
+   <literal><link linkend="opt-services.postgresql.enable">services.postgresql</link></literal> services.
+  </para>
+
+  <para>
+   A very basic configuration may look like this:
+<programlisting>
+{ pkgs, ... }:
+let
+  fqdn =
+    let
+      join = hostName: domain: hostName + optionalString (domain != null) ".${domain}";
+    in join config.networking.hostName config.networking.domain;
+in {
+
+  networking = {
+    <link linkend="opt-networking.hostName">hostName</link> = "srht";
+    <link linkend="opt-networking.domain">domain</link> = "tld";
+    <link linkend="opt-networking.firewall.allowedTCPPorts">firewall.allowedTCPPorts</link> = [ 22 80 443 ];
+  };
+
+  services.sourcehut = {
+    <link linkend="opt-services.sourcehut.enable">enable</link> = true;
+    <link linkend="opt-services.sourcehut.git.enable">git.enable</link> = true;
+    <link linkend="opt-services.sourcehut.man.enable">man.enable</link> = true;
+    <link linkend="opt-services.sourcehut.meta.enable">meta.enable</link> = true;
+    <link linkend="opt-services.sourcehut.nginx.enable">nginx.enable</link> = true;
+    <link linkend="opt-services.sourcehut.postfix.enable">postfix.enable</link> = true;
+    <link linkend="opt-services.sourcehut.postgresql.enable">postgresql.enable</link> = true;
+    <link linkend="opt-services.sourcehut.redis.enable">redis.enable</link> = true;
+    <link linkend="opt-services.sourcehut.settings">settings</link> = {
+        "sr.ht" = {
+          environment = "production";
+          global-domain = fqdn;
+          origin = "https://${fqdn}";
+          # Produce keys with srht-keygen from <package>sourcehut.coresrht</package>.
+          network-key = "/run/keys/path/to/network-key";
+          service-key = "/run/keys/path/to/service-key";
+        };
+        webhooks.private-key= "/run/keys/path/to/webhook-key";
+    };
+  };
+
+  <link linkend="opt-security.acme.certs._name_.extraDomainNames">security.acme.certs."${fqdn}".extraDomainNames</link> = [
+    "meta.${fqdn}"
+    "man.${fqdn}"
+    "git.${fqdn}"
+  ];
+
+  services.nginx = {
+    <link linkend="opt-services.nginx.enable">enable</link> = true;
+    # only recommendedProxySettings are strictly required, but the rest make sense as well.
+    <link linkend="opt-services.nginx.recommendedTlsSettings">recommendedTlsSettings</link> = true;
+    <link linkend="opt-services.nginx.recommendedOptimisation">recommendedOptimisation</link> = true;
+    <link linkend="opt-services.nginx.recommendedGzipSettings">recommendedGzipSettings</link> = true;
+    <link linkend="opt-services.nginx.recommendedProxySettings">recommendedProxySettings</link> = true;
+
+    # Settings to setup what certificates are used for which endpoint.
+    <link linkend="opt-services.nginx.virtualHosts">virtualHosts</link> = {
+      <link linkend="opt-services.nginx.virtualHosts._name_.enableACME">"${fqdn}".enableACME</link> = true;
+      <link linkend="opt-services.nginx.virtualHosts._name_.useACMEHost">"meta.${fqdn}".useACMEHost</link> = fqdn:
+      <link linkend="opt-services.nginx.virtualHosts._name_.useACMEHost">"man.${fqdn}".useACMEHost</link> = fqdn:
+      <link linkend="opt-services.nginx.virtualHosts._name_.useACMEHost">"git.${fqdn}".useACMEHost</link> = fqdn:
+    };
+  };
+}
+</programlisting>
+  </para>
+
+  <para>
+   The <literal>hostName</literal> option is used internally to configure the nginx
+   reverse-proxy. The <literal>settings</literal> attribute set is
+   used by the configuration generator and the result is placed in <literal>/etc/sr.ht/config.ini</literal>.
+  </para>
+ </section>
+
+ <section xml:id="module-services-sourcehut-configuration">
+  <title>Configuration</title>
+
+  <para>
+   All configuration parameters are also stored in
+   <literal>/etc/sr.ht/config.ini</literal> which is generated by
+   the module and linked from the store to ensure that all values from <literal>config.ini</literal>
+   can be modified by the module.
+  </para>
+
+ </section>
+
+ <section xml:id="module-services-sourcehut-httpd">
+  <title>Using an alternative webserver as reverse-proxy (e.g. <literal>httpd</literal>)</title>
+  <para>
+   By default, <package>nginx</package> is used as reverse-proxy for <package>sourcehut</package>.
+   However, it's possible to use e.g. <package>httpd</package> by explicitly disabling
+   <package>nginx</package> using <xref linkend="opt-services.nginx.enable" /> and fixing the
+   <literal>settings</literal>.
+  </para>
+</section>
+
+</chapter>
diff --git a/nixos/modules/services/misc/sourcehut/todo.nix b/nixos/modules/services/misc/sourcehut/todo.nix
new file mode 100644
index 00000000000..262fa48f59d
--- /dev/null
+++ b/nixos/modules/services/misc/sourcehut/todo.nix
@@ -0,0 +1,163 @@
+{ config, lib, options, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.sourcehut;
+  opt = options.services.sourcehut;
+  cfgIni = cfg.settings;
+  scfg = cfg.todo;
+  iniKey = "todo.sr.ht";
+
+  rcfg = config.services.redis;
+  drv = pkgs.sourcehut.todosrht;
+in
+{
+  options.services.sourcehut.todo = {
+    user = mkOption {
+      type = types.str;
+      default = "todosrht";
+      description = ''
+        User for todo.sr.ht.
+      '';
+    };
+
+    port = mkOption {
+      type = types.port;
+      default = 5003;
+      description = ''
+        Port on which the "todo" module should listen.
+      '';
+    };
+
+    database = mkOption {
+      type = types.str;
+      default = "todo.sr.ht";
+      description = ''
+        PostgreSQL database name for todo.sr.ht.
+      '';
+    };
+
+    statePath = mkOption {
+      type = types.path;
+      default = "${cfg.statePath}/todosrht";
+      defaultText = literalExpression ''"''${config.${opt.statePath}}/todosrht"'';
+      description = ''
+        State path for todo.sr.ht.
+      '';
+    };
+  };
+
+  config = with scfg; lib.mkIf (cfg.enable && elem "todo" cfg.services) {
+    users = {
+      users = {
+        "${user}" = {
+          isSystemUser = true;
+          group = user;
+          extraGroups = [ "postfix" ];
+          description = "todo.sr.ht user";
+        };
+      };
+      groups = {
+        "${user}" = { };
+      };
+    };
+
+    services.postgresql = {
+      authentication = ''
+        local ${database} ${user} trust
+      '';
+      ensureDatabases = [ database ];
+      ensureUsers = [
+        {
+          name = user;
+          ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
+        }
+      ];
+    };
+
+    systemd = {
+      tmpfiles.rules = [
+        "d ${statePath} 0750 ${user} ${user} -"
+      ];
+
+      services = {
+        todosrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "todo.sr.ht website service";
+
+          serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
+        };
+
+       todosrht-lmtp = {
+         after = [ "postgresql.service" "network.target" ];
+         bindsTo = [ "postgresql.service" ];
+         wantedBy = [ "multi-user.target" ];
+
+         description = "todo.sr.ht process service";
+         serviceConfig = {
+           Type = "simple";
+           User = user;
+           Restart = "always";
+           ExecStart = "${cfg.python}/bin/todosrht-lmtp";
+         };
+       };
+
+        todosrht-webhooks = {
+          after = [ "postgresql.service" "network.target" ];
+          requires = [ "postgresql.service" ];
+          wantedBy = [ "multi-user.target" ];
+
+          description = "todo.sr.ht webhooks service";
+          serviceConfig = {
+            Type = "simple";
+            User = user;
+            Restart = "always";
+            ExecStart = "${cfg.python}/bin/celery -A ${drv.pname}.webhooks worker --loglevel=info";
+          };
+
+        };
+      };
+    };
+
+    services.sourcehut.settings = {
+      # URL todo.sr.ht is being served at (protocol://domain)
+      "todo.sr.ht".origin = mkDefault "http://todo.${cfg.originBase}";
+      # Address and port to bind the debug server to
+      "todo.sr.ht".debug-host = mkDefault "0.0.0.0";
+      "todo.sr.ht".debug-port = mkDefault port;
+      # Configures the SQLAlchemy connection string for the database.
+      "todo.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
+      # Set to "yes" to automatically run migrations on package upgrade.
+      "todo.sr.ht".migrate-on-upgrade = mkDefault "yes";
+      # todo.sr.ht's OAuth client ID and secret for meta.sr.ht
+      # Register your client at meta.example.org/oauth
+      "todo.sr.ht".oauth-client-id = mkDefault null;
+      "todo.sr.ht".oauth-client-secret = mkDefault null;
+      # Outgoing email for notifications generated by users
+      "todo.sr.ht".notify-from = mkDefault "CHANGEME@example.org";
+      # The redis connection used for the webhooks worker
+      "todo.sr.ht".webhooks = mkDefault "redis://${rcfg.bind}:${toString rcfg.port}/1";
+      # Network-key
+      "todo.sr.ht".network-key = mkDefault null;
+
+      # Path for the lmtp daemon's unix socket. Direct incoming mail to this socket.
+      # Alternatively, specify IP:PORT and an SMTP server will be run instead.
+      "todo.sr.ht::mail".sock = mkDefault "/tmp/todo.sr.ht-lmtp.sock";
+      # The lmtp daemon will make the unix socket group-read/write for users in this
+      # group.
+      "todo.sr.ht::mail".sock-group = mkDefault "postfix";
+
+      "todo.sr.ht::mail".posting-domain = mkDefault "todo.${cfg.originBase}";
+    };
+
+    services.nginx.virtualHosts."todo.${cfg.originBase}" = {
+      forceSSL = true;
+      locations."/".proxyPass = "http://${cfg.address}:${toString port}";
+      locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
+      locations."/static".root = "${pkgs.sourcehut.todosrht}/${pkgs.sourcehut.python.sitePackages}/todosrht";
+    };
+  };
+}