depot/third_party/nixpkgs/pkgs/tools/filesystems/btrfs-snap/default.nix

{ bash, btrfs-progs, coreutils, fetchFromGitHub, gnugrep, lib, makeWrapper, stdenvNoCC, util-linuxMinimal }:
stdenvNoCC.mkDerivation rec {
  pname = "btrfs-snap";
  version = "1.7.3";
  src = fetchFromGitHub {
    owner = "jf647";
    repo = pname;
    rev = version;
    sha256 = "sha256-SDzLjgNRuR9XpmcYCD9T10MLS+//+pWFGDiTAb8NiLQ=";
  };
  buildInputs = [ bash ];
  nativeBuildInputs = [ makeWrapper ];
  dontConfigure = true;
  dontBuild = true;
  installPhase = ''
    mkdir -p $out/bin
    cp btrfs-snap $out/bin/
    wrapProgram $out/bin/btrfs-snap --prefix PATH : ${lib.makeBinPath [
      btrfs-progs       # btrfs
      coreutils         # cut, date, head, ls, mkdir, readlink, stat, tail, touch, test, [
      gnugrep           # grep
      util-linuxMinimal # logger, mount
    ]}
  '';
  meta = with lib; {
    description = "Create and maintain the history of snapshots of btrfs filesystems";
    homepage = "https://github.com/jf647/btrfs-snap";
    license = licenses.gpl3Only;
    maintainers = with maintainers; [ lionello ];
    platforms = platforms.linux;
 };
}