fix DownloadTargetMetaFileTask when meta file is unavailable #3202

	name: Update Base Branch

	on:
	pull_request_target:
	types: [ labeled ]

	jobs:
	update:
	if: ${{ github.event.label.name == 'update-base' }}
	runs-on: ubuntu-latest
	outputs:
	result: ${{ steps.update-base.outputs.result }}
	steps:
	- uses: actions/checkout@v4
	- uses: ./.github/actions/update-base/
	id: update-base
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}
	pull-number: ${{ github.event.number }}

	drop-invalid-mappings:
	needs: update
	if: ${{ needs.update.outputs.result == 'success' }}
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	ref: ${{ github.head_ref }}
	repository: ${{ github.event.pull_request.head.repo.full_name }}
	# The container image openjdk:21 doesn't have git installed
	- uses: actions/setup-java@v4
	with:
	distribution: 'temurin'
	java-version: '21'
	- name: Drop invalid mappings
	run: ./gradlew dropInvalidMappings --stacktrace
	- name: Check for changes in the mappings directory
	id: check-mappings-dir
	run: \|
	if output=$(git status --porcelain) && [ -z "$output" ]; then
	echo "No changes in the mappings directory"
	echo "::set-output name=result::clean"
	else
	echo "There are changes in the mappings directory"
	echo "::set-output name=result::dirty"
	fi

	- name: Commit changes
	if: ${{ steps.check-mappings-dir.outputs.result == 'dirty' }}
	run: \|
	git config user.name "actions-user"
	git config user.email "[email protected]"
	git add mappings/
	git commit -m "Drop invalid mappings"
	git push

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