76 lines
2.4 KiB
Nix
76 lines
2.4 KiB
Nix
{ lib, stdenv, fetchurl
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, enableStatic ? stdenv.hostPlatform.isStatic
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, writeScript
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}:
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# Note: this package is used for bootstrapping fetchurl, and thus
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# cannot use fetchpatch! All mutable patches (generated by GitHub or
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# cgit) that are needed here should be included directly in Nixpkgs as
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# files.
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stdenv.mkDerivation rec {
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pname = "xz";
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version = "5.4.1";
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src = fetchurl {
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url = "https://tukaani.org/xz/xz-${version}.tar.bz2";
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sha256 = "3Rcqy1OGemgBL5TBc4lAGy8nShqlro+Ey/uLfjg+qNM=";
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};
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strictDeps = true;
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outputs = [ "bin" "dev" "out" "man" "doc" ];
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configureFlags = lib.optional enableStatic "--disable-shared";
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enableParallelBuilding = true;
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doCheck = true;
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preCheck = ''
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# Tests have a /bin/sh dependency...
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patchShebangs tests
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'';
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# In stdenv-linux, prevent a dependency on bootstrap-tools.
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preConfigure = "CONFIG_SHELL=/bin/sh";
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postInstall = "rm -rf $out/share/doc";
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passthru = {
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updateScript = writeScript "update-xz" ''
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#!/usr/bin/env nix-shell
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#!nix-shell -i bash -p curl pcre common-updater-scripts
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set -eu -o pipefail
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# Expect the text in format of '>xz-5.2.6.tar.bz2</a>'
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# We pick first match where a stable release goes first.
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new_version="$(curl -s https://tukaani.org/xz/ |
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pcregrep -o1 '>xz-([0-9.]+)[.]tar[.]bz2</a>' |
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head -n1)"
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update-source-version ${pname} "$new_version"
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'';
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};
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meta = with lib; {
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homepage = "https://tukaani.org/xz/";
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description = "A general-purpose data compression software, successor of LZMA";
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longDescription =
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'' XZ Utils is free general-purpose data compression software with high
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compression ratio. XZ Utils were written for POSIX-like systems,
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but also work on some not-so-POSIX systems. XZ Utils are the
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successor to LZMA Utils.
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The core of the XZ Utils compression code is based on LZMA SDK, but
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it has been modified quite a lot to be suitable for XZ Utils. The
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primary compression algorithm is currently LZMA2, which is used
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inside the .xz container format. With typical files, XZ Utils
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create 30 % smaller output than gzip and 15 % smaller output than
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bzip2.
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'';
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license = with licenses; [ gpl2Plus lgpl21Plus ];
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maintainers = with maintainers; [ sander ];
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platforms = platforms.all;
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};
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}
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