mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-16 05:16:36 +00:00
7256ddb74a
- Enhance the documentation - Allow to revert cherry-pick - coding style Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1094>
236 lines
8.2 KiB
Python
Executable file
236 lines
8.2 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
|
|
from pathlib import Path as P
|
|
from urllib.parse import urlparse
|
|
from contextlib import contextmanager
|
|
import os
|
|
import re
|
|
import sys
|
|
|
|
import argparse
|
|
import requests
|
|
|
|
import subprocess
|
|
|
|
import random
|
|
import string
|
|
|
|
URL = "https://gitlab.freedesktop.org/"
|
|
PARSER = argparse.ArgumentParser(
|
|
description="`Rebase` a branch from an old GStreamer module onto the monorepo"
|
|
)
|
|
PARSER.add_argument("repo", help="The repo with the old module to use. ie https://gitlab.freedesktop.org/user/gst-plugins-bad.git or /home/me/gst-build/subprojects/gst-plugins-bad")
|
|
PARSER.add_argument("branch", help="The branch to rebase.")
|
|
|
|
log_depth = [] # type: T.List[str]
|
|
|
|
|
|
@contextmanager
|
|
def nested(name=''):
|
|
global log_depth
|
|
log_depth.append(name)
|
|
try:
|
|
yield
|
|
finally:
|
|
log_depth.pop()
|
|
|
|
|
|
def bold(text: str):
|
|
return f"\033[1m{text}\033[0m"
|
|
|
|
|
|
def green(text: str):
|
|
return f"\033[1;32m{text}\033[0m"
|
|
|
|
|
|
def red(text: str):
|
|
return f"\033[1;31m{text}\033[0m"
|
|
|
|
|
|
def yellow(text: str):
|
|
return f"\033[1;33m{text}\033[0m"
|
|
|
|
|
|
def fprint(msg, nested=True):
|
|
if log_depth:
|
|
prepend = log_depth[-1] + ' | ' if nested else ''
|
|
else:
|
|
prepend = ''
|
|
|
|
print(prepend + msg, end="")
|
|
sys.stdout.flush()
|
|
|
|
|
|
class GstCherryPicker:
|
|
def __init__(self):
|
|
|
|
self.branch = None
|
|
self.repo = None
|
|
self.module = None
|
|
|
|
self.git_rename_limit = None
|
|
|
|
def check_clean(self):
|
|
try:
|
|
out = self.git("status", "--porcelain")
|
|
if out:
|
|
fprint("\n" + red('Git repository is not clean:') + "\n```\n" + out + "\n```\n")
|
|
sys.exit(1)
|
|
|
|
except Exception as e:
|
|
sys.exit(
|
|
f"Git repository is not clean. Clean it up before running ({e})")
|
|
|
|
def run(self):
|
|
assert self.branch
|
|
assert self.repo
|
|
self.check_clean()
|
|
|
|
try:
|
|
git_rename_limit = int(self.git("config", "merge.renameLimit"))
|
|
except subprocess.CalledProcessError:
|
|
git_rename_limit = 0
|
|
if int(git_rename_limit) < 999999:
|
|
self.git_rename_limit = git_rename_limit
|
|
fprint("-> Setting git rename limit to 999999 so we can properly cherry-pick between repos")
|
|
self.git("config", "merge.renameLimit", "999999")
|
|
fprint(f"{green(' OK')}\n", nested=False)
|
|
|
|
try:
|
|
self.rebase()
|
|
finally:
|
|
if self.git_rename_limit is not None:
|
|
self.git("config", "merge.renameLimit", str(self.git_rename_limit))
|
|
|
|
def rebase(self):
|
|
repo = urlparse(self.repo)
|
|
|
|
repo_path = P(repo.path)
|
|
self.module = module = repo_path.stem
|
|
remote_name = f"{module}-{repo_path.parent.name}"
|
|
fprint('Adding remotes...')
|
|
self.git("remote", "add", remote_name, self.repo, can_fail=True)
|
|
self.git("remote", "add", module, f"{URL}gstreamer/{module}.git",
|
|
can_fail=True)
|
|
fprint(f"{green(' OK')}\n", nested=False)
|
|
|
|
fprint(f'Fetching {remote_name}...')
|
|
self.git("fetch", remote_name,
|
|
interaction_message=f"fetching {remote_name} with:\n"
|
|
f" `$ git fetch {remote_name}`")
|
|
fprint(f"{green(' OK')}\n", nested=False)
|
|
|
|
fprint(f'Fetching {module}...')
|
|
self.git("fetch", module,
|
|
interaction_message=f"fetching {module} with:\n"
|
|
f" `$ git fetch {module}`")
|
|
fprint(f"{green(' OK')}\n", nested=False)
|
|
|
|
prevbranch = self.git("rev-parse", "--abbrev-ref", "HEAD").strip()
|
|
tmpbranchname = f"{remote_name}_{self.branch}"
|
|
fprint(f'Checking out branch {remote_name}/{self.branch} as {tmpbranchname}\n')
|
|
try:
|
|
self.git("checkout", f"{remote_name}/{self.branch}", "-b", tmpbranchname)
|
|
self.git("rebase", f"{module}/master",
|
|
interaction_message=f"Failed rebasing {remote_name}/{self.branch} on {module}/master with:\n"
|
|
f" `$ git rebase {module}/master`")
|
|
ret = self.cherry_pick(tmpbranchname)
|
|
except Exception as e:
|
|
self.git("rebase", "--abort", can_fail=True)
|
|
self.git("checkout", prevbranch)
|
|
self.git("branch", "-D", tmpbranchname)
|
|
raise
|
|
if ret:
|
|
fprint(f"{green(' OK')}\n", nested=False)
|
|
else:
|
|
self.git("checkout", prevbranch)
|
|
self.git("branch", "-D", tmpbranchname)
|
|
fprint(f"{red(' ERROR')}\n", nested=False)
|
|
|
|
def cherry_pick(self, branch):
|
|
shas = self.git('log', '--format=format:%H', f'{self.module}/master..').strip()
|
|
fprint(f'Resetting on origin/main')
|
|
self.git("reset", "--hard", "origin/main")
|
|
fprint(f"{green(' OK')}\n", nested=False)
|
|
|
|
for sha in reversed(shas.split()):
|
|
fprint(f' - Cherry picking: {bold(sha)}\n')
|
|
try:
|
|
self.git("cherry-pick", sha,
|
|
interaction_message=f"cherry-picking {sha} onto {branch} with:\n "
|
|
f" `$ git cherry-pick {sha}`",
|
|
revert_operation=["cherry-pick", "--abort"])
|
|
except Exception as e:
|
|
fprint(f' - Cherry picking failed: {bold(sha)}\n')
|
|
return False
|
|
return True
|
|
|
|
def git(self, *args, can_fail=False, interaction_message=None, call=False, revert_operation=None):
|
|
retry = True
|
|
while retry:
|
|
retry = False
|
|
try:
|
|
if not call:
|
|
try:
|
|
return subprocess.check_output(["git"] + list(args),
|
|
stdin=subprocess.DEVNULL,
|
|
stderr=subprocess.STDOUT).decode()
|
|
except Exception as e:
|
|
if not can_fail:
|
|
fprint(f"\n\n{bold(red('ERROR'))}: `git {' '.join(args)}` failed" + "\n", nested=False)
|
|
raise
|
|
else:
|
|
subprocess.call(["git"] + list(args))
|
|
return "All good"
|
|
except Exception as e:
|
|
if interaction_message:
|
|
output = getattr(e, "output", b"")
|
|
if output is not None:
|
|
out = output.decode()
|
|
else:
|
|
out = "????"
|
|
fprint(f"\n```"
|
|
f"\n{out}\n"
|
|
f"Entering a shell to fix:\n\n"
|
|
f" {bold(interaction_message)}\n\n"
|
|
f"You should then exit with the following codes:\n\n"
|
|
f" - {bold('`exit 0`')}: once you have fixed the problem and we can keep moving the \n"
|
|
f" - {bold('`exit 1`')}: {bold('retry')}: once you have let the repo in a state where cherry-picking the commit should be to retried\n"
|
|
f" - {bold('`exit 2`')}: stop the script and abandon rebasing your branch\n"
|
|
"\n```\n", nested=False)
|
|
try:
|
|
if os.name == 'nt':
|
|
shell = os.environ.get(
|
|
"COMSPEC", r"C:\WINDOWS\system32\cmd.exe")
|
|
else:
|
|
shell = os.environ.get(
|
|
"SHELL", os.path.realpath("/bin/sh"))
|
|
subprocess.check_call(shell)
|
|
except subprocess.CalledProcessError as e:
|
|
if e.returncode == 1:
|
|
retry = True
|
|
continue
|
|
elif e.returncode == 2:
|
|
if revert_operation:
|
|
self.git(*revert_operation, can_fail=True)
|
|
raise
|
|
except Exception as e:
|
|
# Result of subshell does not really matter
|
|
pass
|
|
|
|
return "User fixed it"
|
|
|
|
if can_fail:
|
|
return "Failed but we do not care"
|
|
|
|
raise e
|
|
|
|
|
|
def main():
|
|
picker = GstCherryPicker()
|
|
PARSER.parse_args(namespace=picker)
|
|
picker.run()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|