July 2023 PSU blog #451

	name: Update Vitest Snapshots

	on:
	issue_comment:
	types: [created]

	jobs:
	update-snapshots:
	runs-on: ubuntu-latest
	if: startsWith(github.event.comment.body, '/update-snapshot')
	steps:
	- name: Checkout repository
	uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
	with:
	ref: ${{ github.event.issue.head_ref }}
	repository: ${{ github.event.issue.repository.full_name }}
	fetch-depth: 0

	- name: Set up Node.js
	uses: actions/setup-node@e33196f7422957bea03ed53f6fbb155025ffc7b8 # v3.7.0
	with:
	node-version: '18'
	cache: npm

	- name: Install dependencies
	run: npm install

	- name: Update Vitest Snapshots
	run: npm test -- -u

	- name: Commit and push changes
	run: \|
	git config --global user.name "GitHub Action"
	git config --global user.email "action@github.com"
	git add .
	if git diff-index --quiet HEAD; then
	echo "NO_CHANGES_DETECTED=1" >> "${GITHUB_ENV}"
	else
	git commit -m "Update Vitest Snapshots"
	git push
	fi

	- name: Add comment
	uses: peter-evans/create-or-update-comment@c6c9a1a66007646a28c153e2a8580a5bad27bcfa # v3.0.2
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	issue-number: ${{ github.event.issue.number }}
	body: \|
	${{ env.NO_CHANGES_DETECTED == '1' && 'No snapshot changes detected.' \|\| 'Snapshots updated and changes pushed to the PR.' }}

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