nixpkgs/pkgs/development/erlang-modules/build-hex.nix
Gleb Peregud 3a9110b15c Add support for rebar3 plugins to buildHex.
Allow specifying pluginDeps for buildHex listing rebar3 plugins which
are required for given package to be built by rebar3.
2015-12-15 14:01:37 +01:00

93 lines
2.3 KiB
Nix

{ stdenv, erlang, rebar3, openssl, libyaml, fetchurl }:
{ name, version, sha256
, hexPkg ? name
, buildInputs ? [], erlangDeps ? [], pluginDeps ? []
, postPatch ? ""
, compilePorts ? false
, ... }@attrs:
with stdenv.lib;
stdenv.mkDerivation (attrs // {
name = "${name}-${version}";
buildInputs = buildInputs ++ [ erlang rebar3 openssl libyaml ];
postPatch = ''
rm -f rebar rebar3
if [ -e "src/${name}.app.src" ]; then
sed -i -e 's/{ *vsn *,[^}]*}/{vsn, "${version}"}/' "src/${name}.app.src"
fi
# TODO: figure out how to provide 'pc' plugin hermetically
${if compilePorts then ''
echo "{plugins, [pc]}." >> rebar.config
'' else ''''}
${postPatch}
'';
unpackCmd = ''
tar -xf $curSrc contents.tar.gz
mkdir contents
tar -C contents -xzf contents.tar.gz
'';
configurePhase = let
getDeps = drv: [drv] ++ (map getDeps drv.erlangDeps);
recursiveDeps = uniqList {
inputList = flatten (map getDeps erlangDeps);
};
recursivePluginsDeps = uniqList {
inputList = flatten (map getDeps pluginDeps);
};
in ''
runHook preConfigure
mkdir -p _build/default/{lib,plugins}/
${concatMapStrings (dep: ''
header "linking erlang dependency ${dep}"
ln -s "${dep}" "_build/default/lib/${dep.packageName}"
stopNest
'') recursiveDeps}
${concatMapStrings (dep: ''
header "linking rebar3 plugins ${dep}"
ln -s "${dep}" "_build/default/plugins/${dep.packageName}"
stopNest
'') recursivePluginsDeps}
runHook postConfigure
'';
# TODO: figure out how to provide rebar3 a static registry snapshot to make
# this hermetic
buildPhase = ''
runHook preBuild
HOME=. rebar3 do update, compile
${if compilePorts then ''
HOME=. rebar3 pc compile
'' else ''''}
runHook postBuild
'';
installPhase = ''
runHook preInstall
mkdir "$out"
for reldir in src ebin priv include; do
fd="_build/default/lib/${name}/$reldir"
[ -d "$fd" ] || continue
cp -Hrt "$out" "$fd"
success=1
done
runHook postInstall
'';
src = fetchurl {
url = "https://s3.amazonaws.com/s3.hex.pm/tarballs/${hexPkg}-${version}.tar";
sha256 = sha256;
};
passthru = {
packageName = name;
inherit erlangDeps;
};
})