[nostalgia/studio] Add command for bundling Mac app

Makefile

@@ -17,6 +17,10 @@ PROJECT_PLAYER=./build/${BC_VAR_CURRENT_BUILD}/bin/${BC_VAR_PROJECT_NAME_CAP}
 pkg-gba: build
 	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/pkg-gba.py sample_project ${BC_VAR_PROJECT_NAME_CAP}
 
+.PHONY: pkg-mac
+pkg-mac: install
+	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/pkg-dmg.py
+
 .PHONY: generate-studio-rsrc
 generate-studio-rsrc:
 	${BC_CMD_ENVRUN} ${BC_PY3} ./util/scripts/file-to-cpp.py --rsrc src/olympic/studio/applib/src/rsrc.json

util/scripts/pkg-dmg.py

@@ -0,0 +1,36 @@
+#! /usr/bin/env python3
+
+import os
+import shutil
+import subprocess
+import sys
+
+def rm(path: str):
+    file_exists = os.path.exists(path)
+    is_link = os.path.islink(path)
+    is_dir = os.path.isdir(path)
+    if (file_exists or is_link) and not is_dir:
+        os.remove(path)
+    elif os.path.isdir(path):
+        shutil.rmtree(path)
+
+
+def mkdir_p(path: str):
+    if not os.path.exists(path):
+        os.mkdir(path)
+
+
+def run(args: list[str]):
+    if subprocess.run(args).returncode != 0:
+        sys.exit(1)
+
+
+
+dmg_dir = 'dist/darwin-arm64-release/NostalgiaStudio'
+dmg = f'{dmg_dir}.dmg'
+rm(dmg)
+rm(dmg_dir)
+mkdir_p(dmg_dir)
+shutil.copytree('dist/darwin-arm64-release/NostalgiaStudio.app', f'{dmg_dir}/Nostalgia Studio.app')
+os.symlink('/Applications', f'{dmg_dir}/Applications')
+run(['hdiutil', 'create', '-srcfolder', dmg_dir, dmg])