Initial commit
This commit is contained in:
Zhongwei Li
217
skills/git-commit/scripts/version.py
Executable file
217
skills/git-commit/scripts/version.py
Executable file
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#!/usr/bin/env python3
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"""
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Calculate next semantic version from commits.
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Usage:
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python version.py # Auto-detect current, suggest next
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python version.py --current 1.2.3 # Start from specific version
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python version.py --verbose # Show detailed analysis
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"""
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import subprocess
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import sys
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import re
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from typing import Optional, Tuple
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class Version:
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"""Semantic version."""
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def __init__(self, major: int, minor: int, patch: int):
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self.major = major
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self.minor = minor
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self.patch = patch
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def __str__(self):
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return f"{self.major}.{self.minor}.{self.patch}"
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@classmethod
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def parse(cls, version_str: str) -> 'Version':
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"""Parse version string."""
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version_str = version_str.lstrip('v')
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parts = version_str.split('.')
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if len(parts) != 3:
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raise ValueError(f"Invalid version: {version_str}")
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return cls(int(parts[0]), int(parts[1]), int(parts[2]))
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def bump_major(self) -> 'Version':
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"""Bump major version."""
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return Version(self.major + 1, 0, 0)
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def bump_minor(self) -> 'Version':
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"""Bump minor version."""
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return Version(self.major, self.minor + 1, 0)
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def bump_patch(self) -> 'Version':
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"""Bump patch version."""
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return Version(self.major, self.minor, self.patch + 1)
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class CommitAnalyzer:
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"""Analyze commits for versioning."""
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def __init__(self):
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self.breaking_commits = []
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self.feature_commits = []
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self.fix_commits = []
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self.other_commits = []
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def analyze(self, from_ref: Optional[str] = None):
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"""Analyze commits since ref."""
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commits = self._get_commits(from_ref)
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for commit in commits:
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self._classify_commit(commit)
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def _get_commits(self, from_ref: Optional[str]) -> list:
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"""Get commit messages."""
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cmd = ['git', 'log', '--format=%s']
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if from_ref:
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cmd.insert(2, f'{from_ref}..HEAD')
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try:
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result = subprocess.run(cmd, capture_output=True, text=True, check=True)
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return [line.strip() for line in result.stdout.split('\n') if line.strip()]
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except subprocess.CalledProcessError:
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return []
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def _classify_commit(self, message: str):
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"""Classify a commit message."""
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# Check for breaking change
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if '!' in message and ':' in message:
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if message.index('!') < message.index(':'):
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self.breaking_commits.append(message)
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return
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# Parse type
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pattern = r'^(?P<type>\w+)(?:\([^)]+\))?:\s*'
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match = re.match(pattern, message)
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if not match:
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self.other_commits.append(message)
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return
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commit_type = match.group('type')
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if commit_type == 'feat':
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self.feature_commits.append(message)
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elif commit_type == 'fix':
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self.fix_commits.append(message)
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else:
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self.other_commits.append(message)
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def get_bump_type(self) -> Tuple[str, str]:
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"""
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Get version bump type and reason.
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Returns:
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(bump_type, reason) where bump_type is 'major', 'minor', or 'patch'
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"""
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if self.breaking_commits:
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return 'major', f'{len(self.breaking_commits)} breaking change(s)'
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if self.feature_commits or self.fix_commits:
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feat_count = len(self.feature_commits)
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fix_count = len(self.fix_commits)
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parts = []
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if feat_count:
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parts.append(f'{feat_count} feature(s)')
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if fix_count:
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parts.append(f'{fix_count} fix(es)')
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return 'minor', ', '.join(parts)
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return 'patch', f'{len(self.other_commits)} other change(s)'
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def get_next_version(self, current: Version) -> Tuple[Version, str, str]:
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"""
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Get next version.
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Returns:
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(next_version, bump_type, reason)
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"""
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bump_type, reason = self.get_bump_type()
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if bump_type == 'major':
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next_version = current.bump_major()
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elif bump_type == 'minor':
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next_version = current.bump_minor()
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else:
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next_version = current.bump_patch()
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return next_version, bump_type, reason
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def get_latest_tag() -> Optional[str]:
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"""Get latest git tag."""
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try:
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result = subprocess.run(
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['git', 'describe', '--tags', '--abbrev=0'],
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capture_output=True,
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text=True,
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check=True
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)
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return result.stdout.strip()
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except subprocess.CalledProcessError:
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return None
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def main():
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"""Main entry point."""
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import argparse
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parser = argparse.ArgumentParser(description='Calculate next version')
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parser.add_argument('--current', help='Current version (default: latest tag)')
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parser.add_argument('--from', dest='from_ref', help='Analyze from this ref')
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parser.add_argument('--verbose', action='store_true', help='Show detailed analysis')
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args = parser.parse_args()
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# Get current version
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if args.current:
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current = Version.parse(args.current)
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from_ref = args.from_ref or f'v{current}'
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else:
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tag = get_latest_tag()
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if tag:
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current = Version.parse(tag)
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from_ref = args.from_ref or tag
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else:
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current = Version(0, 0, 0)
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from_ref = args.from_ref
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# Analyze commits
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analyzer = CommitAnalyzer()
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analyzer.analyze(from_ref)
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next_version, bump_type, reason = analyzer.get_next_version(current)
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if args.verbose:
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print(f"📊 Version Analysis\n")
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print(f"Current version: {current}")
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if from_ref:
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print(f"Analyzing since: {from_ref}")
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print()
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print("Commits found:")
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print(f" • {len(analyzer.breaking_commits)} breaking change(s)")
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print(f" • {len(analyzer.feature_commits)} feature(s)")
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print(f" • {len(analyzer.fix_commits)} fix(es)")
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print(f" • {len(analyzer.other_commits)} other change(s)")
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print()
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print(f"Bump type: {bump_type.upper()}")
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print(f"Reason: {reason}")
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print()
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print(f"Next version: {next_version}")
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if analyzer.breaking_commits:
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print()
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print("Breaking commits:")
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for commit in analyzer.breaking_commits[:5]:
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print(f" • {commit}")
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else:
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print(next_version)
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if __name__ == '__main__':
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main()
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