diff options
| author | Eelco Dolstra <e.dolstra@tudelft.nl> | 2012-01-04T16·22+0000 |
|---|---|---|
| committer | Eelco Dolstra <e.dolstra@tudelft.nl> | 2012-01-04T16·22+0000 |
| commit | adaf64a99b0a882249e35768c3f4fe3de104cbb2 (patch) | |
| tree | 89b3becb5f9197f3d453355262549ea8bf08b9d2 /corepkgs | |
| parent | 63227d434cefaa9faeb14afe28ebeb9b2d449ee2 (diff) | |
| parent | 9936da6b546d1ce643eca21ac76c6e7d568de1c2 (diff) | |
* Merge the multiple-outputs-sandbox branch (svn merge --reintegrate
^/nix/branches/multiple-outputs-sandbox). Multiple output support still isn't complete, but it wasn't complete in the trunk either, so it doesn't hurt.
Diffstat (limited to 'corepkgs')
| -rw-r--r-- | corepkgs/Makefile.am | 2 | ||||
| -rw-r--r-- | corepkgs/derivation.nix | 27 |
2 files changed, 28 insertions, 1 deletions
diff --git a/corepkgs/Makefile.am b/corepkgs/Makefile.am index 86d7027ed06e..a8de601657b1 100644 --- a/corepkgs/Makefile.am +++ b/corepkgs/Makefile.am @@ -1,6 +1,6 @@ all-local: config.nix -files = nar.nix buildenv.nix buildenv.pl unpack-channel.nix unpack-channel.sh +files = nar.nix buildenv.nix buildenv.pl unpack-channel.nix unpack-channel.sh derivation.nix install-exec-local: $(INSTALL) -d $(DESTDIR)$(datadir)/nix/corepkgs diff --git a/corepkgs/derivation.nix b/corepkgs/derivation.nix new file mode 100644 index 000000000000..757108be3614 --- /dev/null +++ b/corepkgs/derivation.nix @@ -0,0 +1,27 @@ +/* This is the implementation of the ‘derivation’ builtin function. + It's actually a wrapper around the ‘derivationStrict’ primop. */ + +drvAttrs @ { outputs ? [ "out" ], ... }: + +let + + strict = derivationStrict drvAttrs; + + commonAttrs = drvAttrs // (builtins.listToAttrs outputsList) // + { all = map (x: x.value) outputsList; + inherit drvAttrs; + }; + + outputToAttrListElement = outputName: + { name = outputName; + value = commonAttrs // { + outPath = builtins.getAttr outputName strict; + drvPath = strict.drvPath; + type = "derivation"; + inherit outputName; + }; + }; + + outputsList = map outputToAttrListElement outputs; + +in (builtins.head outputsList).value |