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makeSearchPathOutputs: init function

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This commit is contained in:
Nikolay Amiantov 2016-04-13 15:33:21 +03:00
parent 338340f993
commit 2a3b3d6f8b
1 changed files with 10 additions and 0 deletions
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10
lib/strings.nix
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@ -88,6 +88,16 @@ rec {
makeSearchPath = subDir: packages:
concatStringsSep ":" (map (path: path + "/" + subDir) packages);
/* Construct a Unix-style search path, given trying outputs in order.
If no output is found, fallback to `.out` and then to the default.
Example:
makeSearchPathOutputs "bin" ["bin"] [ pkgs.openssl pkgs.zlib ]
=> "/nix/store/9rz8gxhzf8sw4kf2j2f1grr49w8zx5vj-openssl-1.0.1r-bin/bin:/nix/store/wwh7mhwh269sfjkm6k5665b5kgp7jrk2-zlib-1.2.8/bin"
*/
makeSearchPathOutputs = subDir: outputs: pkgs:
makeSearchPath subDir (map (lib.tryAttrs (outputs ++ ["out"])) pkgs);
/* Construct a library search path (such as RPATH) containing the
libraries for a set of packages