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help2man: Make safe to use in bootstrap stdenv.

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This commit is contained in:
Shea Levy 2018-02-19 09:44:47 -05:00
parent 273e58ebd9
commit 2929a2c1fa
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GPG Key ID: 5C0BD6957D86FE27
1 changed files with 16 additions and 8 deletions
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22
pkgs/development/tools/misc/help2man/default.nix
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@ -1,4 +1,4 @@
{ stdenv, hostPlatform, fetchurl, perl, gettext, LocaleGettext, makeWrapper }:
{ stdenv, hostPlatform, fetchurl, perl, gettext, LocaleGettext }:
stdenv.mkDerivation rec {
name = "help2man-1.47.5";
@ -8,20 +8,28 @@ stdenv.mkDerivation rec {
sha256 = "1cb14kp380jzk1yi4i7x9d8qplc8c5mgcbgycgs9ggpx34jhp9kw";
};
nativeBuildInputs = [ makeWrapper gettext LocaleGettext ];
nativeBuildInputs = [ gettext LocaleGettext ];
buildInputs = [ perl LocaleGettext ];
doCheck = false; # target `check' is missing
patches = if hostPlatform.isCygwin then [ ./1.40.4-cygwin-nls.patch ] else null;
postInstall =
'' wrapProgram "$out/bin/help2man" \
--prefix PERL5LIB : "$(echo ${LocaleGettext}/lib/perl*/site_perl)" \
${stdenv.lib.optionalString hostPlatform.isCygwin "--prefix PATH : ${gettext}/bin"}
# We don't use makeWrapper here because it uses substitutions our
# bootstrap shell can't handle.
postInstall = ''
gettext_perl="$(echo ${LocaleGettext}/lib/perl*/site_perl)"
mv $out/bin/help2man $out/bin/.help2man-wrapped
cat > $out/bin/help2man <<EOF
#! $SHELL -e
export PERL5LIB=\''${PERL5LIB:+:}$gettext_perl
${stdenv.lib.optionalString hostPlatform.isCygwin
"export PATH=\''${PATH:+:}${gettext}/bin"}
exec -a \$0 $out/bin/.help2man-wrapped "\$@"
EOF
chmod +x $out/bin/help2man
'';
meta = with stdenv.lib; {
description = "Generate man pages from `--help' output";