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fix(git-core): scope doctor force-reclaim to a single worktree - #515

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getappz merged 2 commits into
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fix/doctor-scoped-reclaim
Aug 16, 2026
Merged

getappz merged 2 commits into
masterfrom
fix/doctor-scoped-reclaim

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@getappz getappz commented Aug 16, 2026 •

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What

item(action="doctor", reclaim=true, force=true) had no per-worktree scope — it force-deleted every dirty worktree in the repo in one call, not just the one the caller meant to fix.

On 2026-08-16 this destroyed uncommitted work in two unrelated items' worktrees (task/110, task/473) when a session tried to force-reclaim its own broken worktree (task/479). Branches survived (committed history is fine); uncommitted content in the other two was lost.

Fix

  • flare_git_core::doctor::reclaim_scoped(repo_root, report, force, target) — when target is set, every lane except the named one is skipped outright, even under force=true. reclaim() keeps its old signature and now just delegates with target: None, so existing callers are unaffected.
  • New worktree field on the MCP item(action="doctor") request, threaded through as the scope target.
  • Updated the tool's field descriptions (and the top-level item tool description) to push callers toward always passing worktree alongside force=true.

Tests

  • scoped_force_reclaim_touches_only_the_named_target (flare-git-core): 3 dirty linked worktrees, force-reclaim scoped to one — only the targeted one is deleted, the other two survive.
  • item_doctor_force_reclaim_scoped_by_worktree_spares_other_dirty_lanes (MCP-level): same assertion through the actual item() MCP call with worktree set.
  • Full flare-git-core doctor test suite passes (14/14).

Follow-up (not in this PR)

Filed item #482: dispatched jobs have no filesystem sandbox at all on Windows/macOS (bwrap only covers Linux/WSL2), which is the deeper reason a bug like this could reach other worktrees in the first place. Tracked separately as its own platform-sandboxing initiative.

Summary by CodeRabbit

  • Bug Fixes

    • Scoped forced reclamation now removes only the specified worktree, preserving unrelated dirty worktrees.
    • Unscoped reclamation behavior remains available when no worktree is selected.
  • Documentation

    • Added guidance explaining the risks of forced reclamation without a specified worktree.
    • Documented the optional worktree selection for doctor operations.

item(action=\doctor\, reclaim=true, force=true) deleted every dirty
worktree in the repo, not just the one the caller meant to fix. An
unscoped force reclaim aimed at repairing one broken worktree
(task/479) destroyed two unrelated items' uncommitted work
(task/110, task/473).

Add reclaim_scoped(..., target) so a caller can restrict reclaim to
one lane by name/path; wire it up as an optional \worktree\ field on
the MCP doctor action. Unscoped reclaim (target=None) still works
for genuine repo-wide sweeps.

Agentflare-Agent: claude-code_2-1-233_agent
Agentflare-Branch: fix/doctor-scoped-reclaim
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coderabbitai Bot commented Aug 16, 2026 •

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Reviewing files that changed from the base of the PR and between e046547 and 6cc867a.

📒 Files selected for processing (1)
  • crates/flare-git-core/src/doctor.rs
📝 Walkthrough

Walkthrough

The doctor reclamation flow now accepts an optional worktree target. Matching lanes can be reclaimed without affecting unrelated dirty lanes. The MCP request, tool description, and regression tests support the new scoped behavior.

Changes

Scoped reclamation

Layer / File(s) Summary
Scoped reclamation core
crates/flare-git-core/src/doctor.rs
reclaim_scoped filters lanes by name or path. reclaim retains unscoped behavior. Tests verify that only the targeted dirty worktree is reclaimed.
MCP target propagation
src/mcp_server/types.rs, src/mcp_server/item_doctor.rs, src/mcp_server.rs, src/mcp_server/tests/item_doctor_tests.rs
ItemRequest accepts an optional worktree. The doctor handler passes it to reclaim_scoped. Tool documentation and integration tests cover scoped forced reclamation.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Merge Risk: 🟠 High · up to e0465

The scoped reclaim behavior can still delete a healthy linked worktree when it has no health flags, even without force. Because this may remove a valid worktree unexpectedly, the PR is not merge-ready until flagless lanes are skipped and the targeted regression test is added.

Sequence Diagram(s)

sequenceDiagram
  participant MCPClient
  participant item_doctor
  participant reclaim_scoped
  participant LinkedWorktrees
  MCPClient->>item_doctor: doctor request with worktree and force
  item_doctor->>reclaim_scoped: pass repository, report, force, and target
  reclaim_scoped->>LinkedWorktrees: filter lanes by name or path
  reclaim_scoped->>LinkedWorktrees: reclaim matching dirty lane
  reclaim_scoped-->>item_doctor: reclaimed lane names
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Possibly related PRs

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check name Status Explanation
Title check ✅ Passed The title clearly and concisely describes scoping doctor force-reclaim to a single worktree.
Description check ✅ Passed The description clearly explains the problem, fix, tests, and follow-up, but it omits the template headings and test checklist.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.
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  • Commit unit tests in branch fix/doctor-scoped-reclaim

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Actionable comments posted: 1

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Inline comments:
In `@crates/flare-git-core/src/doctor.rs`:
- Around line 288-293: Update the lane filtering logic in the doctor flow to
skip selected lanes whose lane.flags is empty before applying dirty or reclaim
safety checks, preventing reclaim from deleting healthy linked worktrees without
force. Add a regression test covering a targeted healthy worktree and verify it
is not reclaimed.
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📒 Files selected for processing (5)
  • crates/flare-git-core/src/doctor.rs
  • src/mcp_server.rs
  • src/mcp_server/item_doctor.rs
  • src/mcp_server/tests/item_doctor_tests.rs
  • src/mcp_server/types.rs

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Comment thread crates/flare-git-core/src/doctor.rs
lane.flags.iter().all(..) is vacuously true for a lane with no
flags, so a perfectly healthy worktree named as  was
reclaim-eligible even with force=false. Skip empty-flags lanes
before the safety checks.

CodeRabbit finding on PR #515.

Agentflare-Agent: claude-code_2-1-233_agent
Agentflare-Branch: fix/doctor-scoped-reclaim
@getappz
getappz merged commit 7eae8ff into master Aug 16, 2026
16 checks passed
@getappz
getappz deleted the fix/doctor-scoped-reclaim branch August 16, 2026 03:57
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