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{ stdenv, fetchFromGitHub, zlib, xz
, lz4 ? null
, lz4Support ? false
, zstd
}:
assert lz4Support -> (lz4 != null);
stdenv.mkDerivation rec {
name = "squashfs-${version}";
version = "4.4dev_20180612";
src = fetchFromGitHub {
owner = "plougher";
repo = "squashfs-tools";
sha256 = "1y53z8dkph3khdyhkmkmy0sg9p1n8czv3vj4l324nj8kxyih3l2c";
rev = "6e242dc95485ada8d1d0b3dd9346c5243d4a517f";
};
patches = [
# These patches ensures that mksquashfs output is reproducible.
# See also https://reproducible-builds.org/docs/system-images/
# and https://github.com/NixOS/nixpkgs/issues/40144.
./0001-If-SOURCE_DATE_EPOCH-is-set-override-timestamps-with.patch
./0002-If-SOURCE_DATE_EPOCH-is-set-also-clamp-content-times.patch
./0003-remove-frag-deflator-thread.patch
# This patch adds an option to pad filesystems (increasing size) in
# exchange for better chunking / binary diff calculation.
./squashfs-tools-4.3-4k-align.patch
] ++ stdenv.lib.optional stdenv.isDarwin ./darwin.patch;
buildInputs = [ zlib xz zstd ]
++ stdenv.lib.optional lz4Support lz4;
preBuild = "cd squashfs-tools";
installFlags = "INSTALL_DIR=\${out}/bin";
makeFlags = [ "XZ_SUPPORT=1" "ZSTD_SUPPORT=1" ]
++ stdenv.lib.optional lz4Support "LZ4_SUPPORT=1";
meta = {
homepage = http://squashfs.sourceforge.net/;
description = "Tool for creating and unpacking squashfs filesystems";
platforms = stdenv.lib.platforms.unix;
license = stdenv.lib.licenses.gpl2Plus;
maintainers = with stdenv.lib.maintainers; [ ruuda ];
};
}
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