fix sync #887

	on: [push, delete]

	jobs:
	push:
	runs-on: ubuntu-latest
	if: github.repository == 'ibhagwan/fzf-lua'
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Sync remote repositories
	run: \|
	mkdir -p ~/.ssh
	echo "${{ secrets.GIT_SSH_PRIVATE_KEY }}" > ~/.ssh/id_rsa
	chmod 600 ~/.ssh/id_rsa
	# Ignore hosts keys, since we accept them as-is
	git config --global core.sshCommand 'ssh -i ~/.ssh/id_rsa -o IdentitiesOnly=yes -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no'
	# Codeberg
	git remote add codeberg ssh://[email protected]/ibhagwan/fzf-lua.git
	git push --tags --force --prune codeberg 'refs/remotes/origin/:refs/heads/'
	# GitLab
	# NOTE: pushing refs fails with:
	# remote: GitLab: You cannot create a branch with an invalid name.
	# To ssh://gitlab.com/ibhagwan/fzf-lua.git
	# ! [remote rejected] origin/HEAD -> HEAD (pre-receive hook declined)
	# ! [remote rejected] origin/dev -> dev (pre-receive hook declined)
	git remote add gitlab ssh://[email protected]/ibhagwan/fzf-lua.git
	# NOTE: `--all` syncs local branches only
	# create tracking braches for all remote branches
	for branch in $(git branch --all \| grep '^\s*remotes' \| grep -vP 'HEAD'); do
	git rev-parse --verify "${branch##*/}" 1>/dev/null 2>&1 \|\| \
	git branch --track "${branch##*/}" "$branch"
	done
	git push --force --prune gitlab --all
	git push --force gitlab --tags

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