diff options
Diffstat (limited to 'pkgs/development/haskell-modules/lib')
| -rw-r--r-- | pkgs/development/haskell-modules/lib/compose.nix | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/pkgs/development/haskell-modules/lib/compose.nix b/pkgs/development/haskell-modules/lib/compose.nix index f3a25e293d88..fe1a8ef7a014 100644 --- a/pkgs/development/haskell-modules/lib/compose.nix +++ b/pkgs/development/haskell-modules/lib/compose.nix @@ -354,7 +354,12 @@ rec { /* Add a dummy command to trigger a build despite an equivalent earlier build that is present in the store or cache. */ - triggerRebuild = i: overrideCabal (drv: { postUnpack = ": trigger rebuild ${toString i}"; }); + triggerRebuild = i: overrideCabal (drv: { + postUnpack = drv.postUnpack or "" + '' + + # trigger rebuild ${toString i} + ''; + }); /* Override the sources for the package and optionally the version. This also takes of removing editedCabalFile. |