Marvin
72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
#!/usr/bin/env python3
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"""Build semver prefix per commit (oldest first), starting at 0.0.1. Writes scripts/version-map.json."""
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from __future__ import annotations
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import json
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import re
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import subprocess
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import sys
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from pathlib import Path
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REPO = Path(__file__).resolve().parents[1]
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def run_git(*args: str) -> str:
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return subprocess.check_output(["git", *args], cwd=REPO, text=True)
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def classify(subject: str) -> str:
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low = subject.lower()
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if "breaking change" in low or "breaking:" in low or "breaking(" in low:
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return "major"
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if low.startswith("merge "):
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return "patch"
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m = re.match(
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r"^(feat|fix|docs|chore|ci|style|refactor|perf|test|build|revert|feat\([^)]+\)|fix\([^)]+\)|chore\([^)]+\)|docs\([^)]+\)|ci\([^)]+\))\s*[:!]",
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low,
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)
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if m:
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token = m.group(1).split("(")[0]
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if "!" in subject.split(":", 1)[0]:
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return "major"
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if token == "feat" or token.startswith("feat"):
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return "minor"
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return "patch"
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if low.startswith("feat") or low.startswith("feature"):
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return "minor"
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if low.startswith("add ") or low.startswith("implement"):
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return "minor"
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return "patch"
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def bump(major: int, minor: int, patch: int, kind: str) -> tuple[int, int, int]:
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if kind == "major":
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return major + 1, 0, 0
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if kind == "minor":
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return major, minor + 1, 0
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return major, minor, patch + 1
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def main() -> None:
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out_path = REPO / "scripts" / "version-map.json"
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hashes = run_git("rev-list", "--reverse", "HEAD").splitlines()
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mapping: dict[str, str] = {}
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major, minor, patch = 0, 0, 1
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for i, h in enumerate(hashes):
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subj = run_git("log", "-1", "--format=%s", h).strip()
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if i == 0:
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mapping[h] = "0.0.1"
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continue
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kind = classify(subj)
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major, minor, patch = bump(major, minor, patch, kind)
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mapping[h] = f"{major}.{minor}.{patch}"
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out_path.write_text(json.dumps(mapping, indent=0) + "\n", encoding="utf-8")
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print(f"Wrote {len(mapping)} entries to {out_path}", file=sys.stderr)
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if __name__ == "__main__":
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main()
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