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import argparse
import configparser
import json
import re
from pathlib import Path
import pygit2
def format_component(submod):
return {"component": {"type": "git", "git": {"commitHash": str(submod.head_id), "repositoryUrl": submod.url}}}
def lookup_submodule(repo, submodule_path):
submodule = repo.lookup_submodule(submodule_path)
try:
# Some submodules have names which don't correspond to the actual path in the repo
# (e.g. 'git submodule init' was called with the --name option, or the submodule
# was moved and the old name was kept). listall_submodules() returns submodule paths,
# but pygit up to 1.0.1 requires the submodule name (not the path) in lookup_submodule
# to be able to access the URL and other properties.
# This seems to be a bug in pygit2, since its documentation says the submodules can
# be opened by path.
# If accessing the URL throws a RuntimeError, we get the submodule name manually from
# .gitmodules.
_ = submodule.url
return submodule
except RuntimeError:
pass
config = configparser.ConfigParser()
config.read(Path(repo.workdir, ".gitmodules"))
for section in config.sections():
if config[section]["path"] == submodule_path:
name = re.fullmatch('submodule "(.*)"', section).group(1)
submodule = repo.lookup_submodule(name)
return submodule
raise NotImplementedError() # should not be reached
def process_component(repo):
return [lookup_submodule(repo, submod) for submod in repo.listall_submodules()]
def recursive_process(base_repo):
processed_subs = []
repos_to_process = [base_repo]
while repos_to_process:
repo = repos_to_process.pop()
submodules = process_component(repo)
processed_subs.extend(submodules)
repos_to_process.extend([mod.open() for mod in submodules])
return {"Registrations": [format_component(component) for component in processed_subs]}
def main(repo_path, output_file):
repo = pygit2.Repository(repo_path)
registrations = recursive_process(repo)
with open(output_file, "w") as f:
json.dump(registrations, f, indent=4, sort_keys=True)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("base_repository", help="path to base repository to get registrations for.")
parser.add_argument("-o", "--output", help="output file name.", default="cgmanifest.json")
args = parser.parse_args()
main(args.base_repository, args.output)
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