RFC104: add testing for gdal vector pipeline #18

	name: Update Stable Tag

	on:
	push:
	branches:
	- '**' # Matches all branches, but we later filter on the one matching the STABLE_BRANCH repository variable

	permissions:
	contents: read

	jobs:
	update-stable-tag:
	runs-on: ubuntu-latest
	if: github.repository == 'OSGeo/GDAL'
	permissions:
	contents: write
	steps:
	- name: Check branch match
	id: check_branch
	env:
	STABLE_BRANCH: ${{ vars.STABLE_BRANCH }} # Repository variable
	run: \|
	echo "Push detected on branch $GITHUB_REF"
	if [[ "${GITHUB_REF#refs/heads/}" != "${STABLE_BRANCH}" ]]; then
	echo "This workflow only runs for branch $STABLE_BRANCH. Skipping further steps."
	echo "run=false" >> $GITHUB_OUTPUT
	else
	echo "run=true" >> $GITHUB_OUTPUT
	fi

	- name: Checkout code
	if: steps.check_branch.outputs.run == 'true'
	uses: actions/checkout@v4

	- name: Tag
	if: steps.check_branch.outputs.run == 'true'
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	git config --global user.email "[email protected]"
	git config --global user.name "GDAL-bot"
	touch .dummy-file
	git add .dummy-file
	# Do that so that stable doesn't have the same git sha as the stable branch, so ReadTheDocs triggers a build
	git commit -a -m "Add .dummy-file"
	git checkout -b stable
	git push -f origin stable

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