nixpkgs/pkgs/tools/text/gnugrep/default.nix
2020-11-23 22:22:31 -08:00

67 lines
1.9 KiB
Nix

{ stdenv, fetchurl, pcre, libiconv, perl }:
# Note: this package is used for bootstrapping fetchurl, and thus
# cannot use fetchpatch! All mutable patches (generated by GitHub or
# cgit) that are needed here should be included directly in Nixpkgs as
# files.
let version = "3.6"; in
stdenv.mkDerivation {
pname = "gnugrep";
inherit version;
src = fetchurl {
url = "mirror://gnu/grep/grep-${version}.tar.xz";
sha256 = "0gipv6bzkm1aihj0ncqpyh164xrzgcxcv9r1kwzyk2g1mzl1azk6";
};
# Perl is needed for testing
nativeBuildInputs = [ perl ];
outputs = [ "out" "info" ]; # the man pages are rather small
buildInputs = [ pcre libiconv ];
# cygwin: FAIL: multibyte-white-space
# freebsd: FAIL mb-non-UTF8-performance
# all platforms: timing sensitivity in long-pattern-perf
#doCheck = !stdenv.isDarwin && !stdenv.isSunOS && !stdenv.isCygwin && !stdenv.isFreeBSD;
doCheck = false;
# On macOS, force use of mkdir -p, since Grep's fallback
# (./install-sh) is broken.
preConfigure = ''
export MKDIR_P="mkdir -p"
'';
# Fix reference to sh in bootstrap-tools, and invoke grep via
# absolute path rather than looking at argv[0].
postInstall =
''
rm $out/bin/egrep $out/bin/fgrep
echo "#! /bin/sh" > $out/bin/egrep
echo "exec $out/bin/grep -E \"\$@\"" >> $out/bin/egrep
echo "#! /bin/sh" > $out/bin/fgrep
echo "exec $out/bin/grep -F \"\$@\"" >> $out/bin/fgrep
chmod +x $out/bin/egrep $out/bin/fgrep
'';
meta = with stdenv.lib; {
homepage = "https://www.gnu.org/software/grep/";
description = "GNU implementation of the Unix grep command";
longDescription = ''
The grep command searches one or more input files for lines
containing a match to a specified pattern. By default, grep
prints the matching lines.
'';
license = licenses.gpl3Plus;
maintainers = [ maintainers.eelco ];
platforms = platforms.all;
};
passthru = {inherit pcre;};
}