refactor(iteration.go): adjusting iteration deletion and item order (… #7975

	name: GIT SYNC

	on:
	pull_request_target:
	types: [opened, synchronize, reopened, labeled]
	push:
	delete:

	jobs:
	git-sync:
	if: github.repository == 'erda-project/erda' && (github.event_name == 'push' \|\| github.event_name == 'delete')
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: add remote
	run: git remote add mirror https://${{ secrets.ERDA_CLOUD_MIRROR_GIT_USERNAME }}:${{ secrets.ERDA_CLOUD_MIRROR_GIT_PASSWORD }}@erda.cloud/erda/dop/erda-project/erda
	- name: push
	run: git push --tags --force mirror "refs/remotes/origin/:refs/heads/"
	git-sync-pr:
	if: github.repository == 'erda-project/erda' && github.event_name == 'pull_request_target' && contains(github.event.pull_request.labels.*.name, 'safe to sync')
	runs-on: ubuntu-latest
	steps:
	- name: list open pull requests in last 24 hours
	id: list
	uses: andrea-armstrong/[email protected]
	with:
	token: ${{secrets.GITHUB_TOKEN}}
	state: 'open'
	window: '24'
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: unshallow
	run: \|
	ss=${{ steps.list.outputs.pullRequestNumbers }}
	ss=${ss:1:${#ss}-2}
	IFS=', ' read -r -a arr <<< "$ss"
	for id in ${arr[@]}
	do
	git fetch origin "refs/pull/${id}/head:refs/remotes/origin/feature/pr/${id}"
	done
	- name: add remote
	run: git remote add mirror https://${{ secrets.ERDA_CLOUD_MIRROR_GIT_USERNAME }}:${{ secrets.ERDA_CLOUD_MIRROR_GIT_PASSWORD }}@erda.cloud/erda/dop/erda-project/erda
	- name: push
	run: git push --tags --force mirror "refs/remotes/origin/:refs/heads/"

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