rewrite strip store paths

Old version used sed, which is not inplace and causes
issues when garbage collection triggers during a build.
This patch adds a small rewriter that works in place.

1 files changed, 20 insertions, 0 deletions

diff --git a/strip-store-paths/default.nix b/strip-store-paths/default.nix
new file mode 100644
index 0000000..40fb546
--- /dev/null
+++ b/strip-store-paths/default.nix
@@ -0,0 +1,20 @@
+{ stdenv, zig }:
+
+stdenv.mkDerivation {
+  name = "strip-store-paths";
+  nativeBuildInputs = [ zig ];
+  src = ./strip-store-paths.zig;
+
+  unpackPhase = ''
+    cp $src strip-store-paths.zig
+  '';
+
+  buildPhase = ''
+    export HOME=$TMPDIR
+    zig build-exe -OReleaseFast strip-store-paths.zig
+  '';
+
+  installPhase = ''
+    install -Dm 755 ./strip-store-paths $out/bin/strip-store-paths
+  '';
+}