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trivial-builders: add the applyPatches function

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applyPatches applies a list of patches to a source directory.

For example to patch nixpkgs you can use:

  applyPatches {
    src = pkgs.path;
    patches = [
      (pkgs.fetchpatch {
        url = "1f770d2055.patch";
        sha256 = "1nlzx171y3r3jbk0qhvnl711kmdk57jlq4na8f8bs8wz2pbffymr";
      })
    ];
  }
This commit is contained in:
Bas van Dijk 2019-09-02 11:13:19 +02:00
parent 0a8e54d1c6
commit 05393ca217
1 changed files with 33 additions and 0 deletions
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33
pkgs/build-support/trivial-builders.nix
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@ -381,4 +381,37 @@ rec {
# Copy a list of paths to the Nix store.
copyPathsToStore = builtins.map copyPathToStore;
/* Applies a list of patches to a source directory.
*
* Examples:
*
* # Patching nixpkgs:
* applyPatches {
* src = pkgs.path;
* patches = [
* (pkgs.fetchpatch {
* url = "https://github.com/NixOS/nixpkgs/commit/1f770d20550a413e508e081ddc08464e9d08ba3d.patch";
* sha256 = "1nlzx171y3r3jbk0qhvnl711kmdk57jlq4na8f8bs8wz2pbffymr";
* })
* ];
* }
*/
applyPatches =
{ src
, name ? (if builtins.typeOf src == "path"
then builtins.baseNameOf src
else
if builtins.isAttrs src && builtins.hasAttr "name" src
then src.name
else throw "applyPatches: please supply a `name` argument because a default name can only be computed when the `src` is a path or is an attribute set with a `name` attribute."
) + "-patched"
, patches ? []
, postPatch ? ""
}: stdenvNoCC.mkDerivation {
inherit name src patches postPatch;
preferLocalBuild = true;
allowSubstitutes = false;
phases = "unpackPhase patchPhase installPhase";
installPhase = "cp -R ./ $out";
};
}