osmo-dev/src/grd

101 lines
2.9 KiB
Python
Executable File

#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
# "git review download", like git review -d, but without need for ssh key. Run
# this script inside a git repository with the gerrit review ID as argument to
# fetch and checkout the patch.
import argparse
import configparser
import json
import os
import subprocess
import urllib.request
def get_topdir():
try:
return subprocess.run(["git", "rev-parse", "--show-toplevel"],
check=True, capture_output=True,
encoding="UTF-8").stdout.rstrip()
except subprocess.CalledProcessError:
print("ERROR: not running inside a git repository")
exit(1)
def get_config_path():
ret = f"{get_topdir()}/.gitreview"
if not os.path.exists(ret):
print(f"ERROR: config not found: {ret}")
exit(1)
return ret
def get_config():
config_path = get_config_path()
config = configparser.ConfigParser()
config.read(config_path)
return config["gerrit"]["host"], config["gerrit"]["project"]
def get_gerrit_details(host, project, patch_id, verbose):
url = f"https://{host}/changes/{project}~{args.patch_id}/detail"
print(f"Download {url}")
with urllib.request.urlopen(url) as response:
content = response.read().decode()
content = "{" + content.split("{", 1)[1]
ret = json.loads(content)
if args.verbose:
print(json.dumps(ret, indent=4))
return ret
def get_highest_revision(details):
ret = 1
for message in details["messages"]:
rev = message["_revision_number"]
if rev > ret:
ret = rev
return ret
def git_fetch(host, project, patch_id, rev):
last_digits = str(patch_id)[-2:]
url = f"https://{host}/{project}"
ref = f"refs/changes/{last_digits}/{patch_id}/{rev}"
cmd = ["git", "fetch", url, ref]
print(f"+ {' '.join(cmd)}")
try:
return subprocess.run(cmd, check=True)
except subprocess.CalledProcessError:
exit(1)
def git_checkout_fetch_head(patch_id, rev):
cmd = ["git", "checkout", "-B", f"gerrit/{patch_id}_{rev}", "FETCH_HEAD"]
print(f"+ {' '.join(cmd)}")
try:
return subprocess.run(cmd, check=True)
except subprocess.CalledProcessError:
exit(1)
desc = "git review download: fetch and checkout a patch from gerrit"
parser = argparse.ArgumentParser(description=desc)
parser.add_argument("patch_id", type=int,
help="gerrit review ID")
parser.add_argument("-r", "--revision", type=int,
help="patchset revision, default is latest")
parser.add_argument("-v", "--verbose", action="store_true")
args = parser.parse_args()
host, project = get_config()
rev = args.revision
if not rev:
details = get_gerrit_details(host, project, args.patch_id, args.verbose)
rev = get_highest_revision(details)
git_fetch(host, project, args.patch_id, rev)
git_checkout_fetch_head(args.patch_id, rev)