nixpkgs/pkgs/applications/networking/sync/unison/default.nix
Symphorien Gibol e726e341c6 unison: fix unison-fsmonitor wrapper in an empty PATH
Fixes:
/nix/store/hyk3aky49zm2chq5cwclrsm56iqwfzwj-unison-2.51.2/bin/unison-fsmonitor: line 2: grep: command not found

Happens when running unison in a systemd service.
2020-04-26 23:29:02 +02:00

56 lines
1.7 KiB
Nix

{stdenv, fetchFromGitHub, ocamlPackages, fontschumachermisc, xset, makeWrapper, ncurses, gnugrep
, enableX11 ? true}:
let inherit (ocamlPackages) ocaml lablgtk; in
stdenv.mkDerivation (rec {
pname = "unison";
version = "2.51.2";
src = fetchFromGitHub {
owner = "bcpierce00";
repo = "unison";
rev = "v${version}";
sha256 = "1bykiyc0dc5pkw8x370qkg2kygq9pq7yqzsgczd3y13b6ivm4sdq";
};
buildInputs = [ ocaml makeWrapper ncurses ];
preBuild = (if enableX11 then ''
sed -i "s|\(OCAMLOPT=.*\)$|\1 -I $(echo "${lablgtk}"/lib/ocaml/*/site-lib/lablgtk2)|" src/Makefile.OCaml
'' else "") + ''
echo -e '\ninstall:\n\tcp $(FSMONITOR)$(EXEC_EXT) $(INSTALLDIR)' >> src/fsmonitor/linux/Makefile
'';
makeFlags = [
"INSTALLDIR=$(out)/bin/"
"UISTYLE=${if enableX11 then "gtk2" else "text"}"
] ++ stdenv.lib.optional (!ocaml.nativeCompilers) "NATIVE=false";
patches = [
# NOTE: Only needed until Unison 2.51.3 is released!
./4.08-compatibility.patch
./lablgtk.patch
];
preInstall = "mkdir -p $out/bin";
postInstall = if enableX11 then ''
for i in $(cd $out/bin && ls); do
wrapProgram $out/bin/$i \
--run "[ -n \"\$DISPLAY\" ] && (${xset}/bin/xset q | ${gnugrep}/bin/grep -q \"${fontschumachermisc}\" || ${xset}/bin/xset +fp \"${fontschumachermisc}/lib/X11/fonts/misc\")"
done
'' else "";
dontStrip = !ocaml.nativeCompilers;
meta = {
homepage = "https://www.cis.upenn.edu/~bcpierce/unison/";
description = "Bidirectional file synchronizer";
license = stdenv.lib.licenses.gpl3Plus;
maintainers = with stdenv.lib.maintainers; [viric];
platforms = with stdenv.lib.platforms; unix;
};
})