lix/corepkgs/derivation.nix
Eelco Dolstra 215b70f51e
Revert "Get rid of unicode quotes ()"
This reverts commit f78126bfd6. There
really is no need for such a massive change...
2016-11-26 00:38:01 +01:00

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/* 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