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Update alpine Docker tag to v3.21 (main) #372

Update alpine Docker tag to v3.21 (main)

Update alpine Docker tag to v3.21 (main) #372

Workflow file for this run

name: Check pull request against latest release branch
on:
pull_request_target:
types:
- opened
- reopened
- synchronize
jobs:
check-branches:
runs-on: ubuntu-latest
steps:
- name: Checkout code
uses: actions/checkout@v4
- name: Check branches
run: |
git fetch
LATEST_RELEASE=$(git branch -a | grep -o "release-[[:digit:]].\([[:digit:]]*\)" | sed -e "s/^release-//" | sort -V | tail -n 1)
echo "$LATEST_RELEASE"
echo ${{ github.base_ref }}
if [ ${{ github.base_ref }} == "release-$LATEST_RELEASE" ]; then
echo "You are trying to merge to the latest release branch. Create a PR for main instead."
exit 1
fi