esp-idf/tools/ci/checkout_project_ref.py

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2017-10-18 07:53:10 -04:00
#!/usr/bin/env python
# internal use only
# called by CI jobs when it uses a project related to IDF
import argparse
import json
import os
import re
import subprocess
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IDF_GIT_DESCRIBE_PATTERN = re.compile(r'^v(\d)\.(\d)')
RETRY_COUNT = 3
def get_customized_project_revision(proj_name):
"""
get customized project revision defined in bot message
"""
revision = ''
customized_project_revisions = os.getenv('BOT_CUSTOMIZED_REVISION')
if customized_project_revisions:
customized_project_revisions = json.loads(customized_project_revisions)
try:
revision = customized_project_revisions[proj_name.lower()]
except (KeyError, TypeError):
pass
return revision
def target_branch_candidates(proj_name):
"""
:return: a list of target branch candidates, from highest priority to lowest priority.
"""
candidates = [
# branch name (or tag name) of current IDF
os.getenv('CI_COMMIT_REF_NAME'),
# CI_MERGE_REQUEST_TARGET_BRANCH_NAME
os.getenv('CI_MERGE_REQUEST_TARGET_BRANCH_NAME'),
]
customized_candidate = get_customized_project_revision(proj_name)
if customized_candidate:
# highest priority, insert to head of list
candidates.insert(0, customized_candidate)
# branch name read from IDF
try:
git_describe = subprocess.check_output(['git', 'describe', 'HEAD'])
match = IDF_GIT_DESCRIBE_PATTERN.search(git_describe.decode())
if match:
major_revision = match.group(1)
minor_revision = match.group(2)
# release branch
candidates.append('release/v{}.{}'.format(major_revision, minor_revision))
# branch to match all major branches, like v3.x or v3
candidates.append('release/v{}.x'.format(major_revision))
candidates.append('release/v{}'.format(major_revision))
except subprocess.CalledProcessError:
# this should not happen as IDF should have describe message
pass
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return [c for c in candidates if c] # filter out null value
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
parser.add_argument('project',
help='the name of project')
parser.add_argument('project_relative_path',
help='relative path of project to IDF repository directory')
parser.add_argument('--customized_only', action='store_true',
help='Only to find customized revision')
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args = parser.parse_args()
if args.customized_only:
customized_revision = get_customized_project_revision(args.project)
candidate_branches = [customized_revision] if customized_revision else []
else:
candidate_branches = target_branch_candidates(args.project)
# change to project dir for checkout
os.chdir(args.project_relative_path)
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ref_to_use = ''
for candidate in candidate_branches:
# check if candidate branch exists
branch_match = subprocess.check_output(['git', 'branch', '-a', '--list', 'origin/' + candidate])
if branch_match:
ref_to_use = candidate
break
if ref_to_use:
for _ in range(RETRY_COUNT):
# Add retry for projects with git-lfs
try:
subprocess.check_call(['git', 'checkout', '-f', ref_to_use], stdout=subprocess.PIPE) # not print the stdout
print('CI using ref {} for project {}'.format(ref_to_use, args.project))
break
except subprocess.CalledProcessError:
pass
else:
print('Failed to use ref {} for project {}'.format(ref_to_use, args.project))
exit(1)
else:
print('using default branch')