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Safely clean up merged, stale, and unnecessary git branches with dry-run preview
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
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SOC 직업 분류 기준
| name | clean-branch |
| description | Safely clean up merged, stale, and unnecessary git branches with dry-run preview |
Safely clean up merged, stale, and unnecessary git branches across any repository.
/clean-branch # Dry-run analysis of all branches
/clean-branch --execute # Actually delete after confirmation
/clean-branch --stale-days 60 # Consider branches older than 60 days stale
Follow this approach to clean up git branches: $ARGUMENTS
Default behavior is dry-run — show what would be deleted without deleting anything. Only execute deletions when the user explicitly confirms.
git status
git branch -a
git symbolic-ref refs/remotes/origin/HEAD | sed 's@^refs/remotes/origin/@@'
Identify and group branches into categories:
Merged branches (safe to delete):
git branch --merged main | grep -v "main\|master\|develop\|\*"
Stale branches (no activity in 30+ days):
git for-each-ref --format='%(refname:short) %(committerdate:relative)' refs/heads/
Protected branches (never delete):
main, master, develop, staging, productionActive branches (unmerged, recent activity):
## Branch Cleanup Report
### Safe to Delete (merged into main)
- feature/user-auth (merged 3 days ago)
- fix/login-bug (merged 1 week ago)
### Stale (no activity in 30+ days)
- feature/old-experiment (last commit: 45 days ago, NOT merged)
⚠️ Has 3 unmerged commits — review before deleting
### Protected (will not touch)
- main, develop
### Active (keeping)
- feature/new-dashboard (last commit: 2 days ago)
If the user confirms, proceed:
git branch -dgit remote prune origingit branch -Dgit branch -a
Report what was deleted and confirm protected branches are intact.
Recovery note: Deleted branches can be recovered via git reflog within the reflog expiry period (default 90 days).