OVMS3-idf/tools/ci/checkout_project_ref.py

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#!/usr/bin/env python
# internal use only
# called by CI jobs when it uses a project related to IDF
import os
import json
import argparse
import subprocess
import re
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IDF_GIT_DESCRIBE_PATTERN = re.compile(r"^v(\d)\.(\d)")
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"),
]
# revision defined in bot message
customized_project_revisions = os.getenv("BOT_CUSTOMIZED_REVISION")
if customized_project_revisions:
customized_project_revisions = json.loads(customized_project_revisions)
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try:
ref_to_use = customized_project_revisions[proj_name.lower()]
# highest priority, insert to head of list
candidates.insert(0, ref_to_use)
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except (KeyError, TypeError):
pass
# 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__":
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")
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args = parser.parse_args()
candidate_branches = target_branch_candidates(args.project)
# change to project dir for checkout
os.chdir(args.project_relative_path)
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for candidate in candidate_branches:
try:
subprocess.check_call(["git", "checkout", candidate])
print("CI using ref {} for project {}".format(candidate, args.project))
break
except subprocess.CalledProcessError:
pass
else:
print("using default branch")