1 files changed, 52 insertions, 0 deletions
diff --git a/python/mozbuild/mozbuild/action/unpack_dmg.py b/python/mozbuild/mozbuild/action/unpack_dmg.py
new file mode 100644
index 0000000000..74e4091549
--- /dev/null
+++ b/python/mozbuild/mozbuild/action/unpack_dmg.py
@@ -0,0 +1,52 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import argparse
+import sys
+from pathlib import Path
+
+from mozpack import dmg
+
+from mozbuild.bootstrap import bootstrap_toolchain
+
+
+def _path_or_none(input: str):
+    if not input:
+        return None
+    return Path(input)
+
+
+def main(args):
+    parser = argparse.ArgumentParser(
+        description="Explode a DMG into its relevant files"
+    )
+
+    parser.add_argument("--dsstore", help="DSStore file from")
+    parser.add_argument("--background", help="Background file from")
+    parser.add_argument("--icon", help="Icon file from")
+
+    parser.add_argument("dmgfile", metavar="DMG_IN", help="DMG File to Unpack")
+    parser.add_argument(
+        "outpath", metavar="PATH_OUT", help="Location to put unpacked files"
+    )
+
+    options = parser.parse_args(args)
+
+    dmg_tool = bootstrap_toolchain("dmg/dmg")
+    hfs_tool = bootstrap_toolchain("dmg/hfsplus")
+
+    dmg.extract_dmg(
+        dmgfile=Path(options.dmgfile),
+        output=Path(options.outpath),
+        dmg_tool=Path(dmg_tool),
+        hfs_tool=Path(hfs_tool),
+        dsstore=_path_or_none(options.dsstore),
+        background=_path_or_none(options.background),
+        icon=_path_or_none(options.icon),
+    )
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main(sys.argv[1:]))