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Maximilian Roos f194d5a13c Age branches by reflog entry in wt step prune; fix four doc claims (#4077)
`wt step prune` could delete a branch created a minute earlier. Its
min-age guard ages a branch that has no worktree by its oldest reflog
entry — the help text and the function's docstring both say so — but the
code read `git reflog show --format=%ct`, which is the committer date of
the commit the entry points at. `git branch foo main` on a default
branch whose last commit is more than a day old therefore looked days
old, and the next `wt step prune` removed it.

From `test_prune_orphan_branch_min_age`, a branch made 30 minutes before
the run, pointing at a month-old commit, with the default
`--min-age=1d`:

```console
$ wt step prune --yes          # before
✓ Removed branch orphan-integrated (same commit as main, _)
✓ Pruned 1 branch

$ wt step prune --yes          # after
○ Skipped orphan-integrated (younger than 1d)
```

The age now comes from the entry's own timestamp: `git reflog show
--date=unix --format=%gd` renders each selector as `<name>@{<epoch>}`.
`test_prune_orphan_branch_min_age` couldn't tell the two apart, because
the test harness gives the commit and the branch creation the same date;
its commit is now a month older than the branch, and the old code fails
it.

A branch with no reflog at all still counts as old enough, as before.
That includes a branch created only from a bare repository's own
directory, since a bare repository defaults `core.logAllRefUpdates` to
false; the docstring now says so. A branch created from inside a linked
worktree has a reflog.

Found while reviewing #4000, along with four doc claims corrected in a
separate commit:

- The hook page said `{{ vars.thing | upper }}` previews as `{{
VARS.THING }}`; `wt hook show --expanded` prints `'{{ VARS.THING }}'`,
shell-quoted like any other value.
- The agent-integration table checked `/wt-switch-create` for Codex and
Gemini while its footnote said it does nothing there; the mark moves to
the row label.
- The skill's agent-handoff instruction, followed literally for
OpenCode, dropped `run`; it now points at the tips section's note on
where a subcommand goes.
- `take_global_options`' docstring counted 11 Global Options blocks on
`wt config`; there were 12.

Reviewable files: `src/commands/step/prune.rs`,
`tests/integration_tests/step_prune.rs`, `src/cli/mod.rs` (one
sentence), `docs/src/content/docs/claude-code.md`,
`skills/worktrunk/SKILL.md`, `src/help.rs`, `CHANGELOG.md`. The skill
and plugin mirrors and the agent-skills digest are regenerated.

> _This was written by Claude Code on behalf of max-sixty_

🤖 Generated with [Claude Code](https://claude.com/claude-code)

https://claude.ai/code/session_01HUmx2Jd5mTK5TznqGDmLGp

---------

Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-09-12 15:07:02 -07:00
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