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The push-convergence path synthesizes PR titles as '<kind>: converged release' where kind comes from version_convergence.highest_warranted_bump (minor|patch). semver_bump then re-derived the kind from the TITLE TEXT and 'minor:' matched nothing → patch. Every feature tranche downgraded: T18/T19/T20 feat ranges bumped 0.66.77-83 instead of 0.67.0. Fixed: MINOR_PREFIX_RE carries the convergence decision through. Held-out proves minor-title→0.67.0 and patch-title→0.67.1 (no accidental re-minor). This is the 0.66.x problem the mandate named, root-caused.
59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
#!/usr/bin/env python3
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"""semver_bump.py — compute the next version from a merged PR title.
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Extracted from auto-version.yml after the inline python (pasted into a YAML
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double-quoted scalar with unescaped quotes and column-0 lines) made the whole
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workflow unparseable — silently disabling every post-merge version bump since
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#190 (2026-09-06 15:01). Bug-fix contract: logic in a testable script, not a
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heredoc nobody can lint.
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Conventions (0.x semver until 1.0.0):
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- breaking (feat!:/fix!:/BREAKING CHANGE) -> minor bump (major+1 . 0 . 0 only at 1.x)
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- feat:/feat(scope): -> minor bump (x . minor+1 . 0)
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- anything else -> patch bump
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"""
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from __future__ import annotations
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import re
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import sys
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# T20 §20B: push-convergence synthesizes PR titles as "<kind>: converged
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# release (push-to-master bump)" where kind comes from
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# version_convergence.highest_warranted_bump. The title text must carry
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# that decision — "minor:" was re-classified as patch here, downgrading
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# every feature tranche (observed: feat ranges bumped 0.66.77-83 not 0.67.0).
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MINOR_PREFIX_RE = re.compile(r"^\s*minor\b", re.IGNORECASE)
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BREAKING_RE = re.compile(r"^\s*\w+(\([^)]*\))?!:")
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FEAT_RE = re.compile(r"^\s*feat(\([^)]*\))?")
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def next_version(version: str, title: str) -> str:
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if BREAKING_RE.match(title) or "BREAKING CHANGE" in title:
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kind = "major"
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elif MINOR_PREFIX_RE.match(title):
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kind = "minor" # synthesized convergence title carries the kind
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elif FEAT_RE.match(title):
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kind = "minor"
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else:
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kind = "patch"
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major, minor, patch = (int(x) for x in version.split("."))
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if kind == "major":
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return f"{major}.{minor + 1}.0" if major == 0 else f"{major + 1}.0.0"
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if kind == "minor":
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return f"{major}.{minor + 1}.0"
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return f"{major}.{minor}.{patch + 1}"
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def main_with(argv: list[str]) -> int:
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if len(argv) != 3:
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print("usage: semver_bump.py <current-version> <pr-title>", file=sys.stderr)
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return 2
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print(next_version(argv[1], argv[2]))
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return 0
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if __name__ == "__main__":
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sys.exit(main_with(sys.argv))
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