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| author | Marc Weber <marco-oweber@gmx.de> | 2009-05-24 10:57:32 +0000 |
|---|---|---|
| committer | Marc Weber <marco-oweber@gmx.de> | 2009-05-24 10:57:32 +0000 |
| commit | 62620f0411b4ada733ae4e701416997140053762 (patch) | |
| tree | af767cb80f5e69ef3213bf3134827dd3348d9b84 | |
| parent | a50f278386324f1b078a51367519ac92b5bd06a5 (diff) | |
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add usage example to makeOverridable
svn path=/nixpkgs/trunk/; revision=15691
| -rw-r--r-- | pkgs/top-level/all-packages.nix | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix index d76224ed0210..d7b89a61dffd 100644 --- a/pkgs/top-level/all-packages.nix +++ b/pkgs/top-level/all-packages.nix @@ -182,6 +182,10 @@ let in import (dir + "/${pVersion}.nix") (args // { version = pVersion; }); + # usage: (you can use override multiple times) + # let d = makeOverridable stdenv.mkDerivation { name = ..; buildInputs; } + # noBuildInputs = d.override { buildInputs = []; } + # additionalBuildInputs = d.override ( args : args // { buildInputs = args.buildInputs ++ [ additional ]; } ) makeOverridable = f: origArgs: f origArgs // { override = newArgs: makeOverridable f (origArgs // (if builtins.isFunction newArgs then newArgs origArgs else newArgs)); |