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| author | Nikolay Amiantov <ab@fmap.me> | 2016-04-13 15:33:21 +0300 |
|---|---|---|
| committer | Nikolay Amiantov <ab@fmap.me> | 2016-04-13 22:05:45 +0300 |
| commit | 2a3b3d6f8b75eb10ab638d32c163bc6ca798ae50 (patch) | |
| tree | 48b7aa2c5fd306bf2230c833df2c96d7d7e075ef /lib/strings.nix | |
| parent | 338340f993563551d8cb45941da987408abef65f (diff) | |
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makeSearchPathOutputs: init function
Diffstat (limited to 'lib/strings.nix')
| -rw-r--r-- | lib/strings.nix | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/strings.nix b/lib/strings.nix index 6818e589bc1c..30c24f7bde5a 100644 --- a/lib/strings.nix +++ b/lib/strings.nix @@ -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 |