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| author | Marc Weber <marco-oweber@gmx.de> | 2013-05-05 17:05:59 +0200 |
|---|---|---|
| committer | Evgeny Egorochkin <phreedom@yandex.ru> | 2013-05-08 15:43:07 +0300 |
| commit | b50b9bf2b710205a98de6e3ab88c3c1b7220e52f (patch) | |
| tree | 53ac2dec7979f092fd0be0a8dccee2886dd167e2 /pkgs/lib/misc.nix | |
| parent | e0fab80c27377edab687b72e4383dc0022c9cde0 (diff) | |
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add versionedDerivation
Diffstat (limited to 'pkgs/lib/misc.nix')
| -rw-r--r-- | pkgs/lib/misc.nix | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/pkgs/lib/misc.nix b/pkgs/lib/misc.nix index bd57d2b6518..19e5081009d 100644 --- a/pkgs/lib/misc.nix +++ b/pkgs/lib/misc.nix @@ -321,12 +321,12 @@ rec { # # This function is best explained by an example: # - # {version ? "2.0"} : + # {version ? "2.x"} : # # mkDerivation (mergeAttrsByVersion "package-name" version # { # version specific settings # "git" = { src = ..; preConfigre = "autogen.sh"; buildInputs = [automake autoconf libtool]; }; - # "2.0" = { src = ..; }; + # "2.x" = { src = ..; }; # } # { // shared settings # buildInputs = [ common build inputs ]; @@ -347,7 +347,12 @@ rec { # Very often it just happens that the "shared" code is the bigger part. # Then using this function might be appropriate. # - # Be aware that its easy to cause recompilations in all versions when using this function + # Be aware that its easy to cause recompilations in all versions when using + # this function - also if derivations get too complex splitting into multiple + # files is the way to go. + # + # See misc.nix -> versionedDerivation + # discussion: nixpkgs: pull/310 mergeAttrsByVersion = name: version: attrsByVersion: base: mergeAttrsByFuncDefaultsClean [ { name = "${name}-${version}"; } base (maybeAttr version (throw "bad version ${version} for ${name}") attrsByVersion)]; |