deploy new testgrid UI #19

	name: Argo CD Diff Preview

	on:
	pull_request_target:
	paths:
	- 'kubernetes/**' # All Kubernetes manifests owned by ArgoCD live here
	branches:
	- main

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout the PR
	uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
	with:
	path: pull-request
	ref: ${{ github.event.pull_request.head.sha }}

	- name: Checkout out kubernetes/k8s.io main branch
	uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
	with:
	ref: main
	path: main

	- name: Generate Diff
	run: \|
	docker run \
	--network=host \
	-v /var/run/docker.sock:/var/run/docker.sock \
	-v $(pwd)/main:/base-branch \
	-v $(pwd)/pull-request:/target-branch \
	-v $(pwd)/output:/output \
	-e TARGET_BRANCH=refs/pull/${{ github.event.number }}/merge \
	-e REPO=${{ github.repository }} \
	dagandersen/argocd-diff-preview:v0.1.19

	- name: Upload artifact
	uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f #v6.0.0
	with:
	name: diff-md
	path: output/diff.md

	comment:
	needs: [build]
	runs-on: ubuntu-latest
	steps:
	- name: Download artifact
	uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
	with:
	name: diff-md
	path: output
	- name: Post diff as comment
	env:
	GH_TOKEN: ${{ secrets.K8S_INFRA_CI_BOT_PR_TOKEN }}
	run: \|
	gh pr comment ${{ github.event.number }} --repo ${{ github.repository }} --body-file output/diff.md --edit-last \|\| \
	gh pr comment ${{ github.event.number }} --repo ${{ github.repository }} --body-file output/diff.md

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