1 files changed, 40 insertions, 0 deletions
diff --git a/js/xpconnect/mach_commands.py b/js/xpconnect/mach_commands.py
new file mode 100644
index 0000000000..514bfcff69
--- /dev/null
+++ b/js/xpconnect/mach_commands.py
@@ -0,0 +1,40 @@
+# 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 mach.decorators import Command, CommandArgument
+
+
+@Command("xpcshell", category="misc", description="Run the xpcshell binary")
+@CommandArgument(
+    "args", nargs=argparse.REMAINDER, help="Arguments to provide to xpcshell"
+)
+def xpcshell(command_context, args):
+    dist_bin = Path(command_context._topobjdir, "dist", "bin")
+    browser_dir = dist_bin / "browser"
+
+    if sys.platform == "win32":
+        xpcshell = dist_bin / "xpcshell.exe"
+    else:
+        xpcshell = dist_bin / "xpcshell"
+
+    command = [
+        str(xpcshell),
+        "-g",
+        str(dist_bin),
+        "-a",
+        str(browser_dir),
+    ]
+
+    if args:
+        command.extend(args)
+
+    return command_context.run_process(
+        command,
+        pass_thru=True,
+        ensure_exit_code=False,
+    )