Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
A filter script of `hg transplant` for coordinated landing for Stylo development
#!/usr/bin/env python
# - * - coding: UTF-8 - * -
import sys
from subprocess import Popen, PIPE
SERVO_PATH = r'c:\\mozilla-source\\servo'
msg = sys.argv[1]
patch = sys.argv[2]
patch_for_gecko = []
patch_for_servo = []
with open(patch, 'rb') as f:
in_servo_change = False
for line in f:
if line.startswith('diff --git a/servo/'):
in_servo_change = True
elif line.startswith('diff --git a/'):
in_servo_change = False
if in_servo_change:
patch_for_servo.append(line)
else:
patch_for_gecko.append(line)
def run_command(cmd, input=None):
if input is None:
p = Popen(cmd)
else:
p = Popen(cmd, stdin=PIPE)
input(p.stdin)
p.stdin.close()
p.wait()
if p.returncode != 0:
raise RuntimeError("Fail to execute {}".format(cmd))
if patch_for_servo:
with open(patch, 'wb') as f:
f.write(''.join(patch_for_gecko))
with open(msg, 'rb') as f:
for line in f:
if not line.startswith('#'):
msg = line
break
msg = msg.split()
while True:
last_part = msg.pop()
if not (last_part.startswith('r?') or last_part.startswith('r=')):
msg.append(last_part)
break
def write_patch(stdin):
for line in patch_for_servo:
stdin.write(line)
run_command(['patch', '-p2', '-d', SERVO_PATH], write_patch)
run_command(['git', '-C', SERVO_PATH, 'add', '-A'])
run_command(['git', '-C', SERVO_PATH, 'commit', '-am', ' '.join(msg)])
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment