Track upstream activity #635

	on:
	schedule:
	- cron: '0 0 * * *'
	workflow_dispatch:
	name: Track upstream activity
	jobs:
	track-commits:
	runs-on: ubuntu-latest
	steps:
	- name: Check out source code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	submodules: true
	token: ${{ secrets.PUSH_TOKEN }}
	- name: Update upstream code
	run: \|
	git -C yosys-src pull --ff-only origin main
	git -C SymbiYosys-src pull --ff-only origin main
	- name: Push updated code
	uses: stefanzweifel/git-auto-commit-action@v4
	with:
	commit_message: Update dependencies.
	track-releases:
	runs-on: ubuntu-latest
	steps:
	- name: Check out source code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	submodules: true
	token: ${{ secrets.PUSH_TOKEN }}
	- name: Check out new upstream tag
	id: checkout-tag
	run: \|
	for tag in $(git -C yosys-src tag -l '0.*' \| sort -rV); do
	ref=$(git -C yosys-src rev-parse $tag)
	branch=develop-${tag}
	if ! git rev-parse -q --verify remotes/origin/${branch} >/dev/null; then
	echo "New branch ${branch} with yosys-src ${ref}"
	git -C yosys-src checkout ${ref}
	# 2023-02-06: https://github.com/YosysHQ/sby/issues/229
	echo "version=${tag}" >> $GITHUB_OUTPUT
	break
	fi;
	done
	- name: Push new branch
	uses: stefanzweifel/git-auto-commit-action@v5
	if: steps.checkout-tag.outputs.version
	with:
	commit_message: "[autorelease] Yosys ${{ steps.checkout-tag.outputs.version }}."
	branch: develop-${{ steps.checkout-tag.outputs.version }}
	create_branch: true

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