beamPackages: Add support for Mix and Erlang.mk

1 files changed, 86 insertions, 0 deletions

diff --git a/pkgs/development/beam-modules/build-mix.nix b/pkgs/development/beam-modules/build-mix.nix
new file mode 100644
index 000000000000..12efc00b0509
--- /dev/null
+++ b/pkgs/development/beam-modules/build-mix.nix
@@ -0,0 +1,86 @@
+{ stdenv, writeText, elixir, erlang, hexRegistrySnapshot, hex }:
+
+{ name
+, version
+, src
+, setupHook ? null
+, buildInputs ? []
+, beamDeps ? []
+, postPatch ? ""
+, compilePorts ? false
+, installPhase ? null
+, meta ? {}
+, ... }@attrs:
+
+with stdenv.lib;
+
+let
+  shell = drv: stdenv.mkDerivation {
+          name = "interactive-shell-${drv.name}";
+          buildInputs = [ drv ];
+    };
+
+  bootstrapper = ./mix-bootstrap;
+
+  pkg = self: stdenv.mkDerivation ( attrs // {
+    name = "${name}-${version}";
+    inherit version;
+
+    dontStrip = true;
+
+    inherit src;
+
+    setupHook = if setupHook == null
+    then writeText "setupHook.sh" ''
+       addToSearchPath ERL_LIBS "$1/lib/erlang/lib"
+    ''
+    else setupHook;
+
+    inherit buildInputs;
+    propagatedBuildInputs = [ hexRegistrySnapshot hex elixir ] ++ beamDeps;
+
+    configurePhase = ''
+      runHook preConfigure
+      ${erlang}/bin/escript ${bootstrapper}
+      runHook postConfigure
+    '';
+
+    buildPhase = ''
+        runHook preBuild
+
+        export HEX_OFFLINE=1
+        export HEX_HOME=`pwd`
+        export MIX_ENV=prod
+
+        MIX_ENV=prod mix compile --debug-info --no-deps-check
+
+        runHook postBuild
+    '';
+
+    installPhase = ''
+        runHook preInstall
+
+        MIXENV=prod
+
+        if [ -d "_build/shared" ]; then
+          MIXENV=shared
+        fi
+
+        mkdir -p "$out/lib/erlang/lib/${name}-${version}"
+        for reldir in src ebin priv include; do
+          fd="_build/$MIXENV/lib/${name}/$reldir"
+          [ -d "$fd" ] || continue
+          cp -Hrt "$out/lib/erlang/lib/${name}-${version}" "$fd"
+          success=1
+        done
+
+        runHook postInstall
+    '';
+
+    passthru = {
+      packageName = name;
+      env = shell self;
+      inherit beamDeps;
+    };
+});
+in fix pkg