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June 7, 2018 18:14
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Script for removing stale branches
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| #!/usr/bin/env bash | |
| set -e | |
| candidates='' | |
| stale='' | |
| dry_run='' | |
| review_issues='' | |
| case $1 in | |
| '--dry-run') | |
| dry_run='yeppers' | |
| ;; | |
| '--review-issues') | |
| review_issues='yepperooni' | |
| ;; | |
| *) | |
| ;; | |
| esac | |
| function gather_candidates { | |
| # gather branches that exist on origin | |
| candidates=$(git branch -a | grep remotes/origin) | |
| # Exclude branches with version numbers | |
| candidates=$(printf '%s\n' $candidates | grep -v '\d\.') | |
| # Splitting the branches on newlines turns | |
| # "remotes/origin/HEAD -> origin/development" into | |
| # "remotes/origin/HEAD\n->\ndevelopment", so strip the -> | |
| candidates=$(printf '%s\n' $candidates | grep -v -- '->') | |
| # Exclude primary branches | |
| candidates=$(printf '%s\n' $candidates | grep -Ev 'development|master|HEAD') | |
| # Strip off the "remotes" prefix | |
| candidates=$(printf '%s\n' $candidates | sed -E 's| *remotes/origin/||') | |
| } | |
| function gather_stale { | |
| for branch in $candidates; do | |
| # look for commits that are on $branch but not on development | |
| changes=$(git log --oneline "development..origin/$branch") | |
| if [ -z "$changes" ]; then | |
| stale="$stale $branch" | |
| fi | |
| done | |
| stale=$(echo $stale | sort) | |
| } | |
| function prune { | |
| if [ -z $dry_run ]; then | |
| for branch in $stale; do | |
| # remove the branch on origin | |
| git push origin ":$branch" || true | |
| done | |
| else | |
| echo "Would have deleted:" | |
| for branch in $stale; do | |
| latest=$(git log -1 --format='%cd' --date=short "origin/$branch") | |
| echo "$branch (last commit $latest)" | |
| done | |
| fi | |
| } | |
| gather_candidates | |
| gather_stale | |
| if [ -z $review_issues ]; then | |
| prune | |
| else | |
| issues="$(printf '%s\n' $stale | grep -Eo '^[A-Z]+-\d+')" | |
| for issue in $issues; do | |
| open "https://jira.gslabs.us/browse/$issue" | |
| done | |
| fi |
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