worktree_gc archived untracked files under ~/.hermes regardless of the active
profile or HERMES_HOME (and the Windows LOCALAPPDATA default); dashboard_procs'
remote-lock dir, both bot_mode `_default_home` copies, methods_bot_relay's
`_relay_root` (a hand copy of get_default_hermes_root's profiles/ strip) and
load_hermes_dotenv's default home all re-derived env-or-`~/.hermes` by hand and
so diverged from the platform default. Each now calls the canonical getter
with the intent it already had: get_hermes_home() where the active profile
matters (archive), get_process_hermes_home() where the process asset must stay
visible under a routed-profile override (locks, bot mode, startup .env),
get_default_hermes_root() for install-wide relay state.
Two growth leaks closed:
1. Pushed-branch tier (the dominant survivor class — 24 of 33 preserved
trees, ~18GB on the reporting box): managed installs fetch with a
single-branch refspec, so pushed PR branches never get refs/remotes/*
entries and read as 'unpushed' forever. When a clean tree's branch head
EXACTLY matches origin (one lazy git ls-remote per sweep), the checkout
is redundant: reap the TREE, keep the BRANCH ref (shielded from the
orphaned-branch pass). Anything diverged/unverifiable stays preserved.
Applied to both the startup pruner and hermes worktree prune/list.
2. Cron-tick maintenance: the pruner only ran on hermes -w launches, so
gateway-driven boxes accumulated trees for days. The scheduler tick now
dispatches the same conservative pruner on a daemon thread, throttled
to once per 6h, against the install checkout + job-workdir repos that
have a .worktrees/ dir.
The startup pruner is deliberately conservative (unattended, pre-banner),
so real installs accumulate what it can never touch: trees preserved for
untracked-only scratch, and orphaned local branches beyond the two
auto-generated prefixes it deletes. A measured multi-agent box: 35 trees /
15GB / 244 local branches, 120 of them fully merged.
New attended surface (hermes_cli/worktree_gc.py + worktree_cmd.py):
- hermes worktree list — audit every tree: age, size, verdict, reason,
plus deletable-branch count
- hermes worktree prune [--dry-run|--trees-only|--branches-only]
- /worktree prune [--dry-run] — same engine in-session; never touches the
session's own active tree
- startup escalation: one WARNING when .worktrees/ exceeds 10 trees or
5GB, naming the reclaim commands (silence is how boxes hit 15GB)
Safety invariants (shared with the startup pruner via cli.py primitives):
tracked modifications and unique unpushed commits never deleted at any
age; live-locked trees untouched; branch deletion gated on worktree
removal success; untracked-only scratch ARCHIVED to
~/.hermes/archive/worktree-prune/ before its tree is reaped.
Branch GC is content-gated, not name-gated: any local branch fully merged
or git-cherry patch-equivalent upstream is safe to delete (rebase merges
rewrite SHAs, so --merged alone misses the dominant leak); unique-commit,
checked-out, protected, and stale-base (>50 ahead) branches are kept.
Classification is parallel (8 workers) — 244 branches audit in ~64s live.
git timeouts degrade to keep (returncode 124) instead of crashing the
audit — live-verified failure on a 746MB .git repo.
16 behavior-contract tests against real git fixtures; live dry-run on the
production repo: 12 trees reclaimable, 120 branches deletable, 0 false
positives among kept trees.
teknium1