make-tarball.nix: Derive version from lastModified instead of revCount

GitHub flakes don't provide revCount.
2020-02-05 23:14:32 +01:00
parent 0f913dee48
commit 5548397488
1 changed files with 4 additions and 1 deletions
@@ -17,7 +17,10 @@ releaseTools.sourceTarball {

  inherit officialRelease;
  version = pkgs.lib.fileContents ../../.version;
-  versionSuffix = "pre${toString nixpkgs.revCount}.${nixpkgs.shortRev}";
+  versionSuffix = "pre${
+    if nixpkgs ? lastModified
+    then builtins.substring 0 8 nixpkgs.lastModified
+    else toString nixpkgs.revCount}.${nixpkgs.shortRev}";

  buildInputs = [ nix.out jq lib-tests ];