3 files changed, 89 insertions, 45 deletions
diff --git a/pkgs/development/tools/purescript/spago/default.nix b/pkgs/development/tools/purescript/spago/default.nix
index 6879d6875cc..2fc5efedb20 100644
--- a/pkgs/development/tools/purescript/spago/default.nix
+++ b/pkgs/development/tools/purescript/spago/default.nix
@@ -1,47 +1,14 @@
-{ mkDerivation, aeson, aeson-pretty, ansi-terminal, async-pool
-, base, bower-json, bytestring, Cabal, containers, dhall, directory
-, either, exceptions, extra, fetchgit, file-embed, filepath, foldl
-, fsnotify, github, Glob, hpack, hspec, hspec-discover
-, hspec-megaparsec, http-client, http-conduit, lens-family-core
-, megaparsec, mtl, network-uri, open-browser, optparse-applicative
-, prettyprinter, process, QuickCheck, retry, rio, rio-orphans, safe
-, semver-range, stdenv, stm, tar, template-haskell, temporary, text
-, time, transformers, turtle, unliftio, unordered-containers
-, vector, versions, zlib
+{ haskellPackages
+, haskell
+, lib
 }:
-mkDerivation {
-  pname = "spago";
-  version = "0.12.1.0";
-  src = fetchgit {
-    url = "https://github.com/spacchetti/spago";
-    sha256 = "17xgp75yxangmb65sv3raysad31kmc109c4q4aj9dgcdqz23fcn2";
-    rev = "a4679880402ead320f8be2f091b25d30e27b62df";
-    fetchSubmodules = true;
-  };
-  isLibrary = true;
-  isExecutable = true;
-  libraryHaskellDepends = [
-    aeson aeson-pretty ansi-terminal async-pool base bower-json
-    bytestring Cabal containers dhall directory either exceptions
-    file-embed filepath foldl fsnotify github Glob http-client
-    http-conduit lens-family-core megaparsec mtl network-uri
-    open-browser prettyprinter process retry rio rio-orphans safe
-    semver-range stm tar template-haskell temporary text time
-    transformers turtle unliftio unordered-containers vector versions
-    zlib
-  ];
-  libraryToolDepends = [ hpack ];
-  executableHaskellDepends = [
-    aeson-pretty async-pool base bytestring containers dhall filepath
-    github lens-family-core megaparsec optparse-applicative process
-    retry stm temporary text time turtle vector
+
+haskell.lib.justStaticExecutables (haskell.lib.overrideCabal haskellPackages.spago (oldAttrs: {
+  maintainers = (oldAttrs.maintainers or []) ++ [
+    lib.maintainers.cdepillabout
   ];
-  testHaskellDepends = [
-    base containers directory extra hspec hspec-megaparsec megaparsec
-    process QuickCheck temporary text turtle versions
-  ];
-  testToolDepends = [ hspec-discover ];
-  prePatch = "hpack";
-  homepage = "https://github.com/spacchetti/spago#readme";
-  license = stdenv.lib.licenses.bsd3;
-}
+
+  passthru = (oldAttrs.passthru or {}) // {
+    updateScript = ./update.sh;
+  };
+}))
diff --git a/pkgs/development/tools/purescript/spago/spago.nix b/pkgs/development/tools/purescript/spago/spago.nix
new file mode 100644
index 00000000000..c85cff2f03a
--- /dev/null
+++ b/pkgs/development/tools/purescript/spago/spago.nix
@@ -0,0 +1,47 @@
+{ mkDerivation, aeson, aeson-pretty, ansi-terminal, async-pool
+, base, bower-json, bytestring, Cabal, containers, dhall, directory
+, either, exceptions, extra, fetchgit, file-embed, filepath, foldl
+, fsnotify, github, Glob, hpack, hspec, hspec-discover
+, hspec-megaparsec, http-client, http-conduit, lens-family-core
+, megaparsec, mtl, network-uri, open-browser, optparse-applicative
+, prettyprinter, process, QuickCheck, retry, rio, rio-orphans, safe
+, semver-range, stdenv, stm, tar, template-haskell, temporary, text
+, time, transformers, turtle, unliftio, unordered-containers
+, vector, versions, zlib
+}:
+mkDerivation {
+  pname = "spago";
+  version = "0.13.0";
+  src = fetchgit {
+    url = "https://github.com/spacchetti/spago.git";
+    sha256 = "158xq5zn32iwswxmpma92763hl6kzq7kb01cyvphmmlilx55b6yk";
+    rev = "426838670ba9de4593f4c533a6947efb2d8ad4ba";
+    fetchSubmodules = true;
+  };
+  isLibrary = true;
+  isExecutable = true;
+  libraryHaskellDepends = [
+    aeson aeson-pretty ansi-terminal async-pool base bower-json
+    bytestring Cabal containers dhall directory either exceptions
+    file-embed filepath foldl fsnotify github Glob http-client
+    http-conduit lens-family-core megaparsec mtl network-uri
+    open-browser prettyprinter process retry rio rio-orphans safe
+    semver-range stm tar template-haskell temporary text time
+    transformers turtle unliftio unordered-containers vector versions
+    zlib
+  ];
+  libraryToolDepends = [ hpack ];
+  executableHaskellDepends = [
+    aeson-pretty async-pool base bytestring containers dhall filepath
+    github lens-family-core megaparsec optparse-applicative process
+    retry stm temporary text time turtle vector
+  ];
+  testHaskellDepends = [
+    base containers directory extra hspec hspec-megaparsec megaparsec
+    process QuickCheck temporary text turtle versions
+  ];
+  testToolDepends = [ hspec-discover ];
+  prePatch = "hpack";
+  homepage = "https://github.com/spacchetti/spago#readme";
+  license = stdenv.lib.licenses.bsd3;
+}
diff --git a/pkgs/development/tools/purescript/spago/update.sh b/pkgs/development/tools/purescript/spago/update.sh
new file mode 100755
index 00000000000..00c9c6d85f1
--- /dev/null
+++ b/pkgs/development/tools/purescript/spago/update.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p cabal2nix curl jq
+#
+# This script will update the spago derivation to the latest version using
+# cabal2nix.
+#
+# Note that you should always try building spago after updating it here, since
+# some of the overrides in pkgs/development/haskell/configuration-nix.nix may
+# need to be updated/changed.
+
+set -eo pipefail
+
+# This is the directory of this update.sh script.
+script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+# Spago derivation created with cabal2nix.
+spago_derivation_file="${script_dir}/spago.nix"
+
+# This is the current revision of spago in Nixpkgs.
+old_version="$(sed -En 's/.*\bversion = "(.*?)".*/\1/p' "$spago_derivation_file")"
+
+# This is the latest release version of spago on GitHub.
+new_version=$(curl --silent "https://api.github.com/repos/spacchetti/spago/releases" | jq '.[0].tag_name' --raw-output)
+
+echo "Updating spago from old version $old_version to new version $new_version."
+echo "Running cabal2nix and outputting to ${spago_derivation_file}..."
+
+cabal2nix --revision "$new_version" "https://github.com/spacchetti/spago.git" > "$spago_derivation_file"
+
+echo "Finished."