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| author | Alyssa Ross <hi@alyssa.is> | 2019-02-07 15:19:21 +0000 |
|---|---|---|
| committer | Alyssa Ross <hi@alyssa.is> | 2019-02-07 23:35:47 +0000 |
| commit | e5013c05a2f845255debf94318ab38ecef1c186b (patch) | |
| tree | bec11a0bd31d3432a16899e5539f1098f1c168a4 /nixpkgs/lib/meta.nix | |
| parent | 4fc07c92ec07cafcf6d56143ea7334693143ef88 (diff) | |
| parent | 2d2f10475138b7206572dc3ec288184df2be022e (diff) | |
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Merge commit '2d2f10475138b7206572dc3ec288184df2be022e'
Diffstat (limited to 'nixpkgs/lib/meta.nix')
| -rw-r--r-- | nixpkgs/lib/meta.nix | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/nixpkgs/lib/meta.nix b/nixpkgs/lib/meta.nix index 199030c103af..2e83c4247ddf 100644 --- a/nixpkgs/lib/meta.nix +++ b/nixpkgs/lib/meta.nix @@ -41,16 +41,18 @@ rec { let x = builtins.parseDrvName name; in "${x.name}-${suffix}-${x.version}"); - /* Apply a function to each derivation and only to derivations in an attrset + /* Apply a function to each derivation and only to derivations in an attrset. */ mapDerivationAttrset = f: set: lib.mapAttrs (name: pkg: if lib.isDerivation pkg then (f pkg) else pkg) set; + /* Set the nix-env priority of the package. + */ + setPrio = priority: addMetaAttrs { inherit priority; }; /* Decrease the nix-env priority of the package, i.e., other versions/variants of the package will be preferred. */ - lowPrio = drv: addMetaAttrs { priority = 10; } drv; - + lowPrio = setPrio 10; /* Apply lowPrio to an attrset with derivations */ @@ -60,8 +62,7 @@ rec { /* Increase the nix-env priority of the package, i.e., this version/variant of the package will be preferred. */ - hiPrio = drv: addMetaAttrs { priority = -10; } drv; - + hiPrio = setPrio (-10); /* Apply hiPrio to an attrset with derivations */ |