nix-gh/tests/filter-source.nix.in

derivation {
  name = "filter";
  system = "@system@";
  builder = "@shell@";
  args = ["-e" "-x" (builtins.toFile "builder" "PATH=@testPath@; ln -s $input $out")];
  input = builtins.filterSource (path: baseNameOf (toString path) != "foo") ./test-tmp/filterin;
}
* New primop builtins.filterSource, which can be used to filter files from a source directory. All files for which a predicate function returns true are copied to the store. Typical example is to leave out the .svn directory: stdenv.mkDerivation { ... src = builtins.filterSource (path: baseNameOf (toString path) != ".svn") ./source-dir; # as opposed to # src = ./source-dir; } This is important because the .svn directory influences the hash in a rather unpredictable and variable way. 2006-12-13 00:05:01 +01:00			`derivation {`
			`name = "filter";`
			`system = "@system@";`
			`builder = "@shell@";`
			`args = ["-e" "-x" (builtins.toFile "builder" "PATH=@testPath@; ln -s $input $out")];`
			`input = builtins.filterSource (path: baseNameOf (toString path) != "foo") ./test-tmp/filterin;`
			`}`