nixpkgs/pkgs/development/tools/misc/help2man/default.nix

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{ stdenv, fetchurl, perl, gettext, LocaleGettext, makeWrapper }:
stdenv.mkDerivation rec {
name = "help2man-1.40.5";
src = fetchurl {
url = "mirror://gnu/help2man/${name}.tar.gz";
sha256 = "1d1wn9krvf9mp97c224710n1pcfh73p7w7na65zn2a06124rln8k";
};
buildInputs = [ makeWrapper perl gettext LocaleGettext ];
doCheck = false; # target `check' is missing
postInstall =
'' wrapProgram "$out/bin/help2man" \
--prefix PERL5LIB : "$(echo ${LocaleGettext}/lib/perl*/site_perl)"
'';
meta = {
description = "GNU help2man generates man pages from `--help' output";
longDescription =
'' help2man produces simple manual pages from the --help and
--version output of other commands.
'';
homepage = http://www.gnu.org/software/help2man/;
license = "GPLv3+";
platforms = stdenv.lib.platforms.gnu; # arbitrary choice
maintainers = [ stdenv.lib.maintainers.ludo ];
};
}