mirror of https://github.com/mpv-player/mpv
119 lines
3.8 KiB
Python
Executable File
119 lines
3.8 KiB
Python
Executable File
#!/usr/bin/env python3
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import os, sys, json, subprocess, re
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from typing import Dict, Tuple, Callable, Optional
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def call(cmd) -> str:
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sys.stdout.flush()
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ret = subprocess.run(cmd, check=True, stdout=subprocess.PIPE, text=True)
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return ret.stdout
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lint_rules: Dict[str, Tuple[Callable, str]] = {}
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def lint_rule(description: str):
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def f(func):
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assert func.__name__ not in lint_rules.keys()
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lint_rules[func.__name__] = (func, description)
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return f
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def get_commit_range() -> Optional[str]:
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if len(sys.argv) > 1:
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return sys.argv[1]
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# https://github.com/actions/runner/issues/342#issuecomment-590670059
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event_name = os.environ["GITHUB_EVENT_NAME"]
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with open(os.environ["GITHUB_EVENT_PATH"], "rb") as f:
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event = json.load(f)
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if event_name == "push":
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if event["created"] or event["forced"]:
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print("Skipping logic on branch creation or force-push")
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return None
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return event["before"] + "..." + event["after"]
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elif event_name == "pull_request":
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return event["pull_request"]["base"]["sha"] + ".." + event["pull_request"]["head"]["sha"]
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return None
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def do_lint(commit_range: str) -> bool:
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commits = call(["git", "log", "--pretty=format:%h %s", commit_range]).splitlines()
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print(f"Linting {len(commits)} commit(s):")
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any_failed = False
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for commit in commits:
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sha, _, _ = commit.partition(' ')
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#print(commit)
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body = call(["git", "show", "-s", "--format=%B", sha]).splitlines()
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failed = []
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if len(body) == 0:
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failed.append("* Commit message must not be empty")
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else:
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for k, v in lint_rules.items():
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if not v[0](body):
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failed.append(f"* {v[1]} [{k}]")
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if failed:
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any_failed = True
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print("-" * 40)
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sys.stdout.flush()
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subprocess.run(["git", "-P", "show", "-s", sha])
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print("\nhas the following issues:")
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print("\n".join(failed))
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print("-" * 40)
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return any_failed
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################################################################################
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NO_PREFIX_WHITELIST = r"^Revert \"(.*)\"|^Reapply \"(.*)\"|^Release [0-9]|^Update VERSION$"
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@lint_rule("Subject line must contain a prefix identifying the sub system")
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def subsystem_prefix(body):
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if re.search(NO_PREFIX_WHITELIST, body[0]):
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return True
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m = re.search(r"^([^:]+):\s", body[0])
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if not m:
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return False
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# a comma-separated list is okay
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s = re.sub(r",\s+", "", m.group(1))
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# but no spaces otherwise
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return not " " in s
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@lint_rule("First word after : must be lower case")
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def description_lowercase(body):
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if re.search(NO_PREFIX_WHITELIST, body[0]):
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return True
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# Allow all caps for acronyms and such
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if re.search(r":\s[A-Z]{2,}\s", body[0]):
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return True
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return re.search(r":\s+[a-z0-9]", body[0])
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@lint_rule("Subject line must not end with a full stop")
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def no_dot(body):
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return not body[0].rstrip().endswith('.')
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@lint_rule("There must be an empty line between subject and extended description")
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def empty_line(body):
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return len(body) == 1 or body[1].strip() == ""
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# been seeing this one all over github lately, must be the webshits
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@lint_rule("Do not use 'conventional commits' style")
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def no_cc(body):
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return not re.search(r"(?i)^(feat|fix|chore|refactor)[!:(]", body[0])
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@lint_rule("History must be linear, no merge commits")
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def no_merge(body):
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return not body[0].startswith("Merge ")
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@lint_rule("Subject line should be shorter than 72 characters")
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def line_too_long(body):
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revert = re.search(r"^Revert \"(.*)\"|^Reapply \"(.*)\"", body[0])
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return True if revert else len(body[0]) <= 72
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@lint_rule("Prefix should not include C file extensions (use `vo_gpu: ...` not `vo_gpu.c: ...`)")
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def no_file_exts(body):
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return not re.search(r"[a-z0-9]\.[ch]:\s", body[0])
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################################################################################
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if __name__ == "__main__":
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commit_range = get_commit_range()
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if commit_range is None:
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exit(0)
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print("Commit range:", commit_range)
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any_failed = do_lint(commit_range)
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exit(1 if any_failed else 0)
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