1 files changed, 64 insertions, 0 deletions
diff --git a/tools/lint/hooks.py b/tools/lint/hooks.py
new file mode 100755
index 0000000000..cb5c9dc2e0
--- /dev/null
+++ b/tools/lint/hooks.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+# 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/.
+
+from __future__ import absolute_import, print_function
+
+import os
+import signal
+import six
+import subprocess
+import sys
+from distutils.spawn import find_executable
+
+here = os.path.dirname(os.path.realpath(__file__))
+topsrcdir = os.path.join(here, os.pardir, os.pardir)
+
+
+def run_process(cmd):
+    proc = subprocess.Popen(cmd)
+
+    # ignore SIGINT, the mozlint subprocess should exit quickly and gracefully
+    orig_handler = signal.signal(signal.SIGINT, signal.SIG_IGN)
+    proc.wait()
+    signal.signal(signal.SIGINT, orig_handler)
+    return proc.returncode
+
+
+def run_mozlint(hooktype, args):
+    if isinstance(hooktype, six.binary_type):
+        hooktype = hooktype.decode("UTF-8", "replace")
+    # --quiet prevents warnings on eslint, it will be ignored by other linters
+    python = find_executable("python3")
+    if not python:
+        print("error: Python 3 not detected on your system! Please install it.")
+        sys.exit(1)
+
+    cmd = [python, os.path.join(topsrcdir, "mach"), "lint", "--quiet"]
+
+    if "commit" in hooktype:
+        # don't prevent commits, just display the lint results
+        run_process(cmd + ["--workdir=staged"])
+        return False
+    elif "push" in hooktype:
+        return run_process(cmd + ["--outgoing"] + args)
+
+    print("warning: '{}' is not a valid mozlint hooktype".format(hooktype))
+    return False
+
+
+def hg(ui, repo, **kwargs):
+    hooktype = kwargs["hooktype"]
+    return run_mozlint(hooktype, kwargs.get("pats", []))
+
+
+def git():
+    hooktype = os.path.basename(__file__)
+    if hooktype == "hooks.py":
+        hooktype = "pre-push"
+    return run_mozlint(hooktype, [])
+
+
+if __name__ == "__main__":
+    sys.exit(git())