{ fetchFromGitHub , fetchurl , lz4 ? null , lz4Support ? false , lzo , lib, stdenv , xz , zlib }: assert lz4Support -> (lz4 != null); let patch = fetchFromGitHub { owner = "devttys0"; repo = "sasquatch"; rev = "3e0cc40fc6dbe32bd3a5e6c553b3320d5d91ceed"; sha256 = "19lhndjv7v9w6nmszry63zh5rqii9v7wvsbpc2n6q606hyz955g2"; } + "/patches/patch0.txt"; in stdenv.mkDerivation rec { pname = "sasquatch"; version = "4.3"; src = fetchurl { url = "mirror://sourceforge/squashfs/squashfs4.3.tar.gz"; sha256 = "1xpklm0y43nd9i6jw43y2xh5zvlmj9ar2rvknh0bh7kv8c95aq0d"; }; buildInputs = [ xz lzo xz zlib ] ++ lib.optional lz4Support lz4; patches = [ patch ]; patchFlags = [ "-p0" ]; postPatch = '' cd squashfs-tools ''; installFlags = [ "INSTALL_DIR=\${out}/bin" ]; makeFlags = [ "XZ_SUPPORT=1" ] ++ lib.optional lz4Support "LZ4_SUPPORT=1"; meta = with lib; { homepage = "https://github.com/devttys0/sasquatch"; description = "Set of patches to the standard unsquashfs utility (part of squashfs-tools) that attempts to add support for as many hacked-up vendor-specific SquashFS implementations as possible"; license = licenses.gpl2Plus; maintainers = [ maintainers.pamplemousse ]; platforms = platforms.linux; }; }