2 files changed, 57 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/build-managers/buck/default.nix b/nixpkgs/pkgs/development/tools/build-managers/buck/default.nix
new file mode 100644
index 000000000000..1602b8083414
--- /dev/null
+++ b/nixpkgs/pkgs/development/tools/build-managers/buck/default.nix
@@ -0,0 +1,44 @@
+{ lib, stdenv, fetchFromGitHub, jdk8, ant, python3, watchman, bash, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "buck";
+  version = "2021.05.05.01";
+
+  src = fetchFromGitHub {
+    owner = "facebook";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-mASJCLxW7320MXYUUWYfaxs9AbSdltxlae8OQsPUZJc=";
+  };
+
+  patches = [ ./pex-mtime.patch ];
+
+  postPatch = ''
+    grep -l -r '/bin/bash' --null | xargs -0 sed -i -e "s!/bin/bash!${bash}/bin/bash!g"
+  '';
+
+  nativeBuildInputs = [ makeWrapper python3 jdk8 ant watchman ];
+
+  buildPhase = ''
+    # Set correct version, see https://github.com/facebook/buck/issues/2607
+    echo v${version} > .buckrelease
+
+    ant
+
+    PYTHONDONTWRITEBYTECODE=true ./bin/buck build -c buck.release_version=${version} buck
+  '';
+
+  installPhase = ''
+    install -D -m755 buck-out/gen/*/programs/buck.pex $out/bin/buck
+    wrapProgram $out/bin/buck \
+      --prefix PATH : "${lib.makeBinPath [ jdk8 watchman python3 ]}"
+  '';
+
+  meta = with lib; {
+    homepage = "https://buck.build/";
+    description = "A high-performance build tool";
+    maintainers = [ maintainers.jgertm maintainers.marsam ];
+    license = licenses.asl20;
+    platforms = platforms.all;
+  };
+}
diff --git a/nixpkgs/pkgs/development/tools/build-managers/buck/pex-mtime.patch b/nixpkgs/pkgs/development/tools/build-managers/buck/pex-mtime.patch
new file mode 100644
index 000000000000..b8726e64a604
--- /dev/null
+++ b/nixpkgs/pkgs/development/tools/build-managers/buck/pex-mtime.patch
@@ -0,0 +1,13 @@
+diff --git a/third-party/py/pex/pex/common.py b/third-party/py/pex/pex/common.py
+index 76459ce23..eff411b20 100644
+--- a/third-party/py/pex/pex/common.py
++++ b/third-party/py/pex/pex/common.py
+@@ -328,4 +328,7 @@ class Chroot(object):
+   def zip(self, filename, mode='wb'):
+     with contextlib.closing(zipfile.ZipFile(filename, mode)) as zf:
+       for f in sorted(self.files()):
+-        zf.write(os.path.join(self.chroot, f), arcname=f, compress_type=zipfile.ZIP_DEFLATED)
++        path = os.path.join(self.chroot, f)
++        instant = 615532801
++        os.utime(path, (instant, instant))
++        zf.write(path, arcname=f, compress_type=zipfile.ZIP_DEFLATED)