Update mirror #17456

	name: Update mirror

	on:
	schedule:
	- cron: '0 /2 * *'

	jobs:
	update:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout this repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	ref: upstream/master

	- name: Fetch updates from official repository
	run: \|
	git config pull.ff only
	git remote add official git://git.kitenet.net/git-annex
	git pull --tags official master

	- name: Determine new tags
	run: \|
	comm -23 <(git tag \| sort) \
	<(git ls-remote --tags --refs origin \
	\| awk '{print $2}' \
	\| xargs git for-each-ref --format '%(refname:strip=2)' \
	\| sort) > new-tags.txt

	- name: Push new objects to mirror
	run: git push --tags origin upstream/master

	- name: Check out master .github
	run: git checkout origin/master -- .github

	- name: Install Python
	uses: actions/setup-python@v5
	with:
	python-version: '^3.6'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip 'pip-run!=8.4' wheel
	# No quotes around substitution:
	python -m pip install $(python -m pip_run.read-deps .github/workflows/tools/dispatch-build)
	# Install the script's dependencies beforehand so that they aren't
	# installed separately for each & every invocation by xargs.

	- name: Trigger workflow runs for new tags
	run: \|
	xargs -a new-tags.txt -r -L1 \
	python .github/workflows/tools/dispatch-build
	env:
	GITHUB_TOKEN: ${{ secrets.DATALAD_GITHUB_TOKEN }}

	# vim:set sts=2:

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