gitlab-semantic-versioning/version-update.py at master · mrooding/gitlab-semantic-versioning · GitHub

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#!/usr/bin/env python3
importos
importre
importsys
importsemver
importsubprocess
importgitlab

defgit(*args):
returnsubprocess.check_output(["git"] +list(args))

defverify_env_var_presence(name):
ifnamenotinos.environ:
raiseException(f"Expected the following environment variable to be set: {name}")

defextract_gitlab_url_from_project_url():
project_url=os.environ['CI_PROJECT_URL']
project_path=os.environ['CI_PROJECT_PATH']

returnproject_url.split(f"/{project_path}", 1)[0]

defextract_merge_request_id_from_commit():
message=git("log", "-1", "--pretty=%B")
matches=re.search(r'(\S*\/\S*!)(\d+)', message.decode("utf-8"), re.M|re.I)

ifmatches==None:
raiseException(f"Unable to extract merge request from commit message: {message}")

returnmatches.group(2)

defretrieve_labels_from_merge_request(merge_request_id):
project_id=os.environ['CI_PROJECT_ID']
gitlab_private_token=os.environ['NPA_PASSWORD']

gl=gitlab.Gitlab(extract_gitlab_url_from_project_url(), private_token=gitlab_private_token)
gl.auth()

project=gl.projects.get(project_id)
merge_request=project.mergerequests.get(merge_request_id)

returnmerge_request.labels

defbump(latest):

minor_bump_label=os.environ.get("MINOR_BUMP_LABEL") or"bump-minor"
major_bump_label=os.environ.get("MAJOR_BUMP_LABEL") or"bump-major"

merge_request_id=extract_merge_request_id_from_commit()
labels=retrieve_labels_from_merge_request(merge_request_id)


ifminor_bump_labelinlabels:
returnsemver.bump_minor(latest)
elifmajor_bump_labelinlabels:
returnsemver.bump_major(latest)
else:
returnsemver.bump_patch(latest)

deftag_repo(tag):
repository_url=os.environ["CI_REPOSITORY_URL"]
username=os.environ["NPA_USERNAME"]
password=os.environ["NPA_PASSWORD"]

push_url=re.sub(r'([a-z]+://)[^@]*(@.*)', rf'\g<1>{username}:{password}\g<2>', repository_url)

git("fetch", "origin", "refs/tags/*:refs/tags/*", "--prune")
git("remote", "set-url", "--push", "origin", push_url)
git("tag", tag)
git("push", "origin", tag)

defmain():
env_list= ["CI_REPOSITORY_URL", "CI_PROJECT_ID", "CI_PROJECT_URL", "CI_PROJECT_PATH", "NPA_USERNAME", "NPA_PASSWORD"]
 [verify_env_var_presence(e) foreinenv_list]

try:
latest=git("describe", "--tags", "--first-parent", "--match", "[[:digit:]]*.[[:digit:]]*.[[:digit:]]*").decode().strip()
exceptsubprocess.CalledProcessError:
# Default to version 1.0.0 if no tags are available
version="1.0.0"
else:
# Skip already tagged commits
if'-'notinlatest:
print(latest)
return0

version=bump(latest)

tag_repo(version)
print(version)

return0


if__name__=="__main__":
sys.exit(main())