Refs #36005 -- Bumped minimum supported versions of docutils to 0.22. #613

	name: Check commit prefix

	on:
	pull_request:
	types: [edited, opened, synchronize, reopened, ready_for_review]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	check-commit-prefix:
	if: startsWith(github.event.pull_request.base.ref, 'stable/')
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Calculate commit prefix
	id: vars
	run: \|
	BASE="${{ github.event.pull_request.base.ref }}"
	echo "BASE=$BASE" >> $GITHUB_ENV
	VERSION="${BASE#stable/}"
	echo "prefix=[$VERSION]" >> $GITHUB_OUTPUT

	- name: Check PR title prefix
	run: \|
	TITLE="${{ github.event.pull_request.title }}"
	PREFIX="${{ steps.vars.outputs.prefix }}"
	if [[ "$TITLE" != "$PREFIX"* ]]; then
	echo "❌ PR title must start with the required prefix: $PREFIX"
	exit 1
	fi
	echo "✅ PR title has the required prefix."

	- name: Fetch relevant branches
	run: \|
	git fetch origin $BASE:base
	git fetch origin pull/${{ github.event.pull_request.number }}/head:pr

	- name: Check commit messages prefix
	run: \|
	PREFIX="${{ steps.vars.outputs.prefix }}"
	COMMITS=$(git rev-list base..pr)
	echo "Checking commit messages for required prefix: $PREFIX"
	FAIL=0
	for SHA in $COMMITS; do
	MSG=$(git log -1 --pretty=%s $SHA)
	echo "Checking commit $SHA: $MSG"
	if [[ "$MSG" != "$PREFIX"* ]]; then
	echo "❌ Commit $SHA must start with the required prefix: $PREFIX"
	FAIL=1
	fi
	done

	if [[ $FAIL -eq 1 ]]; then
	echo "One or more commit messages are missing the required prefix."
	exit 1
	fi

	echo "✅ All commits have the required prefix."

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