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Diffstat (limited to 'nixpkgs/pkgs/common-updater/generic-updater.nix')
-rw-r--r--nixpkgs/pkgs/common-updater/generic-updater.nix9
1 files changed, 8 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/common-updater/generic-updater.nix b/nixpkgs/pkgs/common-updater/generic-updater.nix
index e75a6dd7ab05..25008d664b93 100644
--- a/nixpkgs/pkgs/common-updater/generic-updater.nix
+++ b/nixpkgs/pkgs/common-updater/generic-updater.nix
@@ -105,7 +105,10 @@ let
       fi
 
       # update the nix expression
-      ${common-updater-scripts}/bin/update-source-version "$attr_path" "$latest_tag"
+      ${common-updater-scripts}/bin/update-source-version --print-changes "$attr_path" "$latest_tag"
+    else
+      # No changes for commit protocol.
+      echo "[]"
     fi
 
     echo "" >> ${fileForGitCommands}
@@ -114,4 +117,8 @@ let
 in {
   name = "generic-update-script";
   command = [ updateScript name pname version attrPath versionLister ignoredVersions rev-prefix odd-unstable patchlevel-unstable ];
+  supportedFeatures = [
+    # Stdout must contain output according to the updateScript commit protocol when the update script finishes with a non-zero exit code.
+    "commit"
+  ];
 }