cb7c688171
Root-level tests/ is for root-level modules; 19 files testing scripts/, 3 testing pm/ and 5 testing hermes_cli/ move to the mirrored directory (workflow file lists and cross-imports updated; path arithmetic bumped one level). tests/pm gains a conftest with the isolated_machine_home fixture that seven modules had copy-pasted verbatim.
87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
#!/usr/bin/env python3
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"""Derive a Debian package version (or channel) from a hermes-agent release tag.
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Pure function; imported by scripts/termux/build_deb.sh and unit-tested by
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tests/scripts/test_termux_deb_version.py (Task 4 of .hermes/plans/2026-08-31_termux-deb.md).
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Mapping:
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v1.2.3 -> 1.2.3-1
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v1.2.3-canary.2026083112 -> 1.2.3~canary.2026083112-1
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The ``~`` ranks the nightly below the corresponding stable in dpkg's version
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ordering. No digit cap on any component: the repo's CalVer line (v2026.9.x)
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is a valid major.
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``--channel`` derives the release channel from the SAME tag regex: a tag with
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a nightly timestamp is ``nightly``, everything else is ``stable``. This is the
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single source of truth for the channel; workflows and other tooling must call
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this instead of re-typing a case statement.
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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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# The canary timestamp shape MUST match the canonical _CANARY_TAG_RE in
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# hermes_cli/update_channel.py (exactly 8 or 14 digits, 20-prefixed) and
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# channel_for_tag in scripts/releases/r2.py. Cross-referenced by
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# tests/scripts/test_termux_deb_version.py::test_canary_tag_shape_matches_canonical.
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_TAG_RE = re.compile(
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r"^v(?P<major>0|[1-9]\d*)\.(?P<minor>\d+)\.(?P<patch>\d+)"
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r"(?:-canary\.(?P<ts>20\d{6}(?:\d{6})?))?$"
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)
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def _match_tag(tag: str) -> re.Match[str]:
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m = _TAG_RE.match(tag)
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if m is None:
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raise ValueError(
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f"malformed release tag {tag!r}: expected v<MAJOR>.<MINOR>.<PATCH> "
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"or v<MAJOR>.<MINOR>.<PATCH>-canary.<timestamp>"
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)
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return m
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def deb_version_for_tag(tag: str) -> str:
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"""Map a release tag to its Debian version. Raises ValueError on malformed tags."""
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m = _match_tag(tag)
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base = f"{m.group('major')}.{m.group('minor')}.{m.group('patch')}"
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ts = m.group("ts")
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if ts is None:
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return f"{base}-1"
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return f"{base}~canary.{ts}-1"
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def channel_for_tag(tag: str) -> str:
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"""Map a release tag to its channel: 'canary' or 'stable'.
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Derived from the same _TAG_RE as deb_version_for_tag, so the two can never
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drift: a tag that yields a '~canary' deb version is canary, and the
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malformed-tag rejection is identical.
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"""
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m = _match_tag(tag)
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return "canary" if m.group("ts") is not None else "stable"
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def main(argv: list[str]) -> int:
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args = argv[1:]
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channel_mode = False
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if args and args[0] == "--channel":
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channel_mode = True
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args = args[1:]
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if len(args) != 1:
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mode = "deb_version.py --channel <tag>" if channel_mode else "deb_version.py <tag>"
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print(f"usage: {mode}", file=sys.stderr)
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return 2
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try:
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print(channel_for_tag(args[0]) if channel_mode else deb_version_for_tag(args[0]))
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except ValueError as exc:
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print(f"deb_version: {exc}", file=sys.stderr)
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return 1
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return 0
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if __name__ == "__main__":
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raise SystemExit(main(sys.argv))
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