nixpkgs/pkgs/development/beam-modules/build-mix.nix
ydlr a2f3a63953
restore buildMix and its bootstrapper (#122374)
* restore mixBuild

remove bootstrapper by going through ERL_LIBS
mix will use ERL_LIBS to find compiled dependencies

Co-authored-by: Zach <zach@hipcreativeinc.com>
2021-05-17 08:05:40 +09:00

85 lines
2.3 KiB
Nix

{ stdenv, writeText, elixir, erlang, hex, lib }:
{ name
, version
, src
, buildInputs ? [ ]
, beamDeps ? [ ]
, propagatedBuildInputs ? [ ]
, postPatch ? ""
, compilePorts ? false
, meta ? { }
, enableDebugInfo ? false
, mixEnv ? "prod"
, ...
}@attrs:
with lib;
let
shell = drv: stdenv.mkDerivation {
name = "interactive-shell-${drv.name}";
buildInputs = [ drv ];
};
pkg = self: stdenv.mkDerivation (attrs // {
name = "${name}-${version}";
inherit version;
inherit src;
MIX_ENV = mixEnv;
MIX_DEBUG = if enableDebugInfo then 1 else 0;
HEX_OFFLINE = 1;
# stripping does not have any effect on beam files
dontStrip = true;
# add to ERL_LIBS so other modules can find at runtime.
# http://erlang.org/doc/man/code.html#code-path
# Mix also searches the code path when compiling with the --no-deps-check
# flag, which is why there is no complicated booterstrapper like the one
# used by buildRebar3.
setupHook = attrs.setupHook or
writeText "setupHook.sh" ''
addToSearchPath ERL_LIBS "$1/lib/erlang/lib"
'';
buildInputs = buildInputs ++ [ elixir hex ];
propagatedBuildInputs = propagatedBuildInputs ++ beamDeps;
buildPhase = attrs.buildPhase or ''
runHook preBuild
export HEX_HOME="$TEMPDIR/hex"
export MIX_HOME="$TEMPDIR/mix"
mix compile --no-deps-check
runHook postBuild
'';
installPhase = attrs.installPhase or ''
runHook preInstall
# This uses the install path convention established by nixpkgs maintainers
# for all beam packages. Changing this will break compatibility with other
# builder functions like buildRebar3 and buildErlangMk.
mkdir -p "$out/lib/erlang/lib/${name}-${version}"
# Some packages like db_connection will use _build/shared instead of
# honoring the $MIX_ENV variable.
for reldir in _build/{$MIX_ENV,shared}/lib/${name}/{src,ebin,priv,include} ; do
if test -d $reldir ; then
# Some builds produce symlinks (eg: phoenix priv dircetory). They must
# be followed with -H flag.
cp -Hrt "$out/lib/erlang/lib/${name}-${version}" "$reldir"
fi
done
runHook postInstall
'';
passthru = {
packageName = name;
env = shell self;
inherit beamDeps;
};
});
in
fix pkg