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add delete branches workflow
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bdemann committed Oct 29, 2024
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51 changes: 51 additions & 0 deletions .github/workflows/delete_branches.yml
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name: Delete Branches by Prefix
on:
workflow_dispatch:
inputs:
branch-prefix:
description: 'Branch prefix to match (e.g., "deps/" or "feature/")'
required: true
type: string
dry-run:
description: 'Dry run (show branches that would be deleted without deleting)'
required: true
type: boolean
default: true

jobs:
delete-branches:
name: Delete Branches
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
with:
fetch-depth: 0
token: ${{ secrets.GITHUB_TOKEN }}

- name: Collect branches
id: collect-branches
run: |
# Get branches and convert to space-separated list
BRANCHES=$(git branch -r | grep "origin/${{ inputs.branch-prefix }}" | sed 's/origin\///' | xargs)
echo "branches=$BRANCHES" >> $GITHUB_OUTPUT
- name: Display collected branches
run: |
echo "Branches matching prefix '${{ inputs.branch-prefix }}':"
for branch in ${{ steps.collect-branches.outputs.branches }}; do
echo " - $branch"
done
echo "End of branch list"
- name: Delete branches
if: ${{ inputs.dry-run == false && steps.collect-branches.outputs.branches != '' }}
run: |
echo "Deleting branches..."
git push origin --delete ${{ steps.collect-branches.outputs.branches }}
echo "Branch deletion complete"
- name: Dry run message
if: ${{ inputs.dry-run }}
run: |
echo "DRY RUN - No branches were deleted"
echo "The above branches would have been deleted if this wasn't a dry run"

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