Merge Main Cleanup

Merge Main Cleanup

Overview

Perform a full merge into main and then delete all other branches locally and on the default remote. Remove any worktrees tied to deleted branches.

When to Use

• User says to merge into main and keep only main.
• User wants a one-step cleanup of branches after merge.

Workflow

1) Validate repository state

• Run git status --porcelain and stop if there are uncommitted changes.
• Run git rev-parse --show-toplevel and work from that root.
• Run git fetch --all --prune to sync branch state.

2) Determine base branch

• Prefer main; if missing, use master.
• Command: git branch --list main master

3) Merge current branch into base

• Get current branch: git branch --show-current.
• If already on base, skip merge.
• Otherwise:
  • git checkout <base>
  • git pull --ff-only
  • git merge <current-branch>
  • Resolve conflicts if any, then complete the merge.

4) Push base to remote

• Push base: git push origin <base>

5) Remove worktrees for non-base branches

• List worktrees: git worktree list.
• For each worktree whose branch is not <base>, remove it:
  • git worktree remove <path>

6) Delete all non-base branches (local + remote)

• Local branches (force delete, as requested):
  • List: git branch --format='%(refname:short)'
  • For each branch not <base>, run: git branch -D <branch>
• Remote branches (origin):
  • List: git branch -r --format='%(refname:short)' | rg '^origin/'
  • For each remote branch not origin/<base>, run: git push origin --delete <branch>

7) Verify only base remains

• git branch -vv should show only <base>.
• git branch -r should show only origin/<base>.

Notes

• This skill is intentionally destructive: it deletes all branches except base.
• If the remote is not named origin, replace it accordingly.
• If deletion of worktree files is blocked by policy, report and ask the user to remove them manually.

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