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Automate Semantic Versioning with Conventional Commits in Python

Automatically bump a semantic version based on conventional commit messages (feat, fix, BREAKING CHANGE) and write the new version to a file.

semantic-versioning conventional-commits automation

Python

import re
from pathlib import Path


def get_next_version(current: str, commit_messages: list[str]) -> str:
    """Return the next semantic version based on conventional commit messages."""
    major, minor, patch = map(int, current.split("."))
    if any(msg.startswith("BREAKING CHANGE") for msg in commit_messages):
…

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