gstreamer/git-update
Jan Alexander Steffens (heftig) 49fea2520f
python: Avoid using 'is' to compare strings
This is the wrong operator to use, which only seems to work because
`os.name` and `'nt'` happen to be the same object. Python 3.8 also
produces a `SyntaxWarning` when encountering this pattern.
2019-11-11 12:41:44 +01:00

170 lines
6.2 KiB
Python
Executable file

#!/usr/bin/env python3
import argparse
import os
import subprocess
import xml.etree.ElementTree as ET
import sys
from scripts.common import git
from scripts.common import Colors
from scripts.common import accept_command
from scripts.common import get_meson
SCRIPTDIR = os.path.normpath(os.path.dirname(__file__))
def manifest_get_commits(manifest):
res = {}
tree = ET.parse(manifest)
root = tree.getroot()
remotes = {}
for child in root:
if child.tag == 'remote':
remotes[child.attrib['name']] = child.attrib['fetch']
if child.tag == 'project':
name = child.attrib['name']
path = child.attrib.get('path', name)
remote = child.attrib.get('remote')
if remote:
res[path] = [child.attrib["revision"], [os.path.join(remotes[remote], name), child.attrib.get('refname', child.attrib["revision"])]]
else:
res[path] = [child.attrib["revision"], []]
return res
def get_branch_name(repo_dir):
return git('-C', repo_dir, 'rev-parse', '--symbolic-full-name', 'HEAD').strip()
def ensure_revision_if_necessary(repo_dir, revision):
"""
Makes sure that @revision is set if the current repo is detached.
"""
if not revision:
if get_branch_name(repo_dir) == 'HEAD':
revision = git('-C', repo_dir, 'rev-parse', 'HEAD').strip()
return revision
def update_subprojects(repos_commits, no_interaction=False):
subprojects_dir = os.path.join(SCRIPTDIR, "subprojects")
for repo_name in os.listdir(subprojects_dir):
repo_dir = os.path.normpath(os.path.join(SCRIPTDIR, subprojects_dir, repo_name))
if not os.path.exists(os.path.join(repo_dir, '.git')):
continue
revision, args = repos_commits.get(repo_name, [None, []])
if not update_repo(repo_name, repo_dir, revision, no_interaction, args):
return False
return True
def update_repo(repo_name, repo_dir, revision, no_interaction, fetch_args=[], recurse_i=0):
revision = ensure_revision_if_necessary(repo_dir, revision)
git("config", "rebase.autoStash", "true", repository_path=repo_dir)
try:
if revision:
print("Checking out %s in %s" % (revision, repo_name))
git("fetch", *fetch_args, repository_path=repo_dir)
git("checkout", "--detach", revision, repository_path=repo_dir)
else:
print("Updating branch %s in %s" % (get_branch_name(repo_dir), repo_name))
git("pull", "--rebase", repository_path=repo_dir)
git("submodule", "update", repository_path=repo_dir)
except Exception as e:
out = getattr(e, "output", b"").decode()
if not no_interaction:
print("====================================="
"\n%s\nEntering a shell in %s to fix that"
" just `exit 0` once done, or `exit 255`"
" to skip update for that repository"
"\n=====================================" % (
out, repo_dir))
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, cwd=repo_dir)
except subprocess.CalledProcessError as e:
if e.returncode == 255:
print("Skipping '%s' update" % repo_name)
return True
except:
# Result of subshell does not really matter
pass
if recurse_i < 3:
return update_repo(repo_name, repo_dir, revision, no_interaction,
recurse_i + 1)
return False
else:
print("\nCould not rebase %s, please fix and try again."
" Error:\n\n%s %s" % (repo_dir, out, e))
return False
commit_message = git("show", "--shortstat", repository_path=repo_dir).split("\n")
print(u" -> %s%s%s - %s" % (Colors.HEADER, commit_message[0][7:14], Colors.ENDC,
commit_message[4].strip()))
return True
if __name__ == "__main__":
parser = argparse.ArgumentParser(prog="git-update")
parser.add_argument("--no-color",
default=False,
action='store_true',
help="Do not output ansi colors.")
parser.add_argument("--builddir",
default=None,
help="Specifies the build directory where to"
" invoke ninja after updating.")
parser.add_argument("--no-interaction",
default=False,
action='store_true',
help="Do not allow interaction with the user.")
parser.add_argument("--manifest",
default=None,
help="Use a android repo manifest to sync repositories"
" Note that it will let all repositories in detached state")
options = parser.parse_args()
if options.no_color or not Colors.can_enable():
Colors.disable()
if options.no_interaction:
sys.stdin.close()
if options.manifest:
meson = get_meson()
targets_s = subprocess.check_output(meson + ['subprojects', 'download'])
repos_commits = manifest_get_commits(options.manifest)
else:
repos_commits = {}
revision, args = repos_commits.get('gst-build', [None, []])
if not update_repo('gst-build', SCRIPTDIR, revision, options.no_interaction, args):
exit(1)
if not update_subprojects(repos_commits, options.no_interaction):
exit(1)
if options.builddir:
ninja = accept_command(["ninja", "ninja-build"])
if not ninja:
print("Can't find ninja, other backends are not supported for rebuilding")
exit(1)
if not os.path.exists(os.path.join (options.builddir, 'build.ninja')):
print("Can't rebuild in %s as no build.ninja file found." % options.builddir)
print("Rebuilding all GStreamer modules.")
exit(subprocess.call([ninja, '-C', options.builddir]))