Nobody Uses Git Worktrees

Using Git Worktrees

Overview

Git worktrees create isolated workspaces sharing the same repository. Work on multiple branches simultaneously without switching.

Announce at start: "I'm using the nobody-uses-git-worktrees skill to set up an isolated workspace."

Directory Selection

Check in priority order:

1. Existing directory — ls -d .worktrees worktrees 2>/dev/null
2. Project config — check AGENTS.md or project docs for preference
3. Ask user — ".worktrees/ (hidden, project-local) or global location?"

Safety Verification

For project-local directories, verify they're gitignored:

git check-ignore -q .worktrees 2>/dev/null

If NOT ignored: add to .gitignore and commit before proceeding.

Creation Steps

# 1. Create worktree with new branch
git worktree add .worktrees/feature-name -b feature/feature-name

# 2. Enter workspace
cd .worktrees/feature-name

# 3. Run project setup (auto-detect)
[ -f package.json ] && npm install
[ -f requirements.txt ] && pip install -r requirements.txt
[ -f Cargo.toml ] && cargo build

# 4. Verify clean baseline
# Run project-appropriate test command

Report

Worktree ready at <full-path>
Tests passing (<N> tests, 0 failures)
Ready to implement <feature-name>

If tests fail: report failures, ask whether to proceed.

Cleanup

When done, use the nobody-finishes-a-development-branch skill, then:

git worktree remove .worktrees/feature-name

Red Flags

• Creating worktree without verifying it's gitignored
• Skipping baseline test verification
• Proceeding with failing tests without asking
• Hardcoding setup commands instead of auto-detecting

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