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authorEelco Dolstra <edolstra@gmail.com>2020-02-10 15:25:24 +0100
committerEelco Dolstra <edolstra@gmail.com>2020-02-10 15:45:10 +0100
commitb98ea4560899470536506426a74704a907fcfc8f (patch)
treef6dca2d7de04591adb73ad4f6c9de83e96e48ca8 /nixos/modules/installer
parentf9392f04aef1d534e5baa6f136264270f050be5d (diff)
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nixos-version --json: Use builtins.toJSON
Diffstat (limited to 'nixos/modules/installer')
-rw-r--r--nixos/modules/installer/tools/nixos-version.sh2
-rw-r--r--nixos/modules/installer/tools/tools.nix7
2 files changed, 8 insertions, 1 deletions
diff --git a/nixos/modules/installer/tools/nixos-version.sh b/nixos/modules/installer/tools/nixos-version.sh
index 0117aa1549c..2711bc1e131 100644
--- a/nixos/modules/installer/tools/nixos-version.sh
+++ b/nixos/modules/installer/tools/nixos-version.sh
@@ -10,7 +10,7 @@ case "$1" in
     ;;
   --json)
     cat <<EOF
-{"nixosVersion": "@version@", "nixpkgsRevision": "@revision@", "configurationRevision": "@configurationRevision@"}
+@json@
 EOF
     ;;
   *)
diff --git a/nixos/modules/installer/tools/tools.nix b/nixos/modules/installer/tools/tools.nix
index 47fa4725288..833865e99bb 100644
--- a/nixos/modules/installer/tools/tools.nix
+++ b/nixos/modules/installer/tools/tools.nix
@@ -49,6 +49,13 @@ let
     src = ./nixos-version.sh;
     inherit (config.system.nixos) version codeName revision;
     inherit (config.system) configurationRevision;
+    json = builtins.toJSON ({
+      nixosVersion = config.system.nixos.version;
+    } // optionalAttrs (config.system.nixos.revision != null) {
+      nixpkgsRevision = config.system.nixos.revision;
+    } // optionalAttrs (config.system.configurationRevision != null) {
+      configurationRevision = config.system.configurationRevision;
+    });
   };
 
   nixos-enter = makeProg {