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* Add a type to handle environment variables with the usual string

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svn path=/nixpkgs/trunk/; revision=18239
This commit is contained in:
Nicolas Pierron 2009-11-07 01:58:56 +00:00
parent 2b11697d1a
commit 10d74af2f6
1 changed files with 7 additions and 1 deletions
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8
pkgs/lib/types.nix
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@ -40,7 +40,7 @@ rec {
}; };
types = { types = rec {
inferred = mkOptionType { inferred = mkOptionType {
name = "inferred type"; name = "inferred type";
@ -63,6 +63,12 @@ rec {
merge = lib.concatStrings; merge = lib.concatStrings;
}; };
envVar = mkOptionType {
name = "environment variable";
inherit (string) check;
merge = lib.concatStringsSep ":";
};
attrs = mkOptionType { attrs = mkOptionType {
name = "attribute set"; name = "attribute set";
check = lib.traceValIfNot builtins.isAttrs; check = lib.traceValIfNot builtins.isAttrs;