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author | Domen Kožar <domen@dev.si> | 2018-07-16 17:23:32 +0200 |
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committer | Peter Simons <simons@cryp.to> | 2018-07-18 10:25:40 +0200 |
commit | 6fd5287c36c8ce2fa12efae6cf171c6e46b41e87 (patch) | |
tree | 64c78d442779ad6f28494a13bfd9e5a4e9aadc4c /pkgs/development/haskell-modules/generic-builder.nix | |
parent | b3af2cd9627d717820c96259a878f24687066cf1 (diff) | |
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haskell: don't error if isLibrary = true and no libraries exist
If empty directory isn't deleted, referer depenedencies will fail with: cp: missing destination file operand after '/tmp/nix-build-cabal-helper-0.8.0.2.drv-0/setup-package.conf.d/' This is currently only the case for cabal-install, as cabal2nix doesn't handle well buildable=False flags due to long-standing bugs in Cabal itself.
Diffstat (limited to 'pkgs/development/haskell-modules/generic-builder.nix')
-rw-r--r-- | pkgs/development/haskell-modules/generic-builder.nix | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix index c68d84bdb8a5..80274f515c52 100644 --- a/pkgs/development/haskell-modules/generic-builder.nix +++ b/pkgs/development/haskell-modules/generic-builder.nix @@ -394,6 +394,9 @@ stdenv.mkDerivation ({ local pkgId=$( ${gnused}/bin/sed -n -e 's|^id: ||p' $packageConfFile ) mv $packageConfFile $packageConfDir/$pkgId.conf done + + # delete confdir if there are no libraries + find $packageConfDir -maxdepth 0 -empty -delete; ''} ${optionalString isGhcjs '' for exeDir in "$out/bin/"*.jsexe; do |