From eb5d5ca87cd7b510dd2f079cb3765e8f5e6dd236 Mon Sep 17 00:00:00 2001
From: Kenjiro Nakayama <nakayamakenjiro@gmail.com>
Date: Thu, 8 Jun 2023 14:06:19 +0900
Subject: [PATCH] [SRVKS-1071] Add github action to sync upstream (#75)

* Add github action to sync upstream release

* Update README
---
 .github/workflows/sync-upstream.yaml | 57 ++++++++++++++++++++++++++++
 README.md                            |  8 +++-
 2 files changed, 63 insertions(+), 2 deletions(-)
 create mode 100644 .github/workflows/sync-upstream.yaml

diff --git a/.github/workflows/sync-upstream.yaml b/.github/workflows/sync-upstream.yaml
new file mode 100644
index 000000000..47772e9d5
--- /dev/null
+++ b/.github/workflows/sync-upstream.yaml
@@ -0,0 +1,57 @@
+---
+name: Sync upstream
+
+on:
+  workflow_dispatch: # Manual workflow trigger
+    inputs:
+      release:
+        type: string
+        required: true
+        description: Release Version
+
+jobs:
+  sync-upstream:
+    if: github.event.created || github.event_name == 'workflow_dispatch'
+    name:
+    runs-on: ubuntu-latest
+    env:
+      GOPATH: ${{ github.workspace }}
+      UPSTREAM: https://github.com/knative-sandbox/net-kourier.git
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          path: ./src/github.com/${{ github.repository }}
+          fetch-depth: 0
+          ref: ${{ inputs.release }}
+
+      - name: Sync upstream
+        working-directory: ./src/github.com/${{ github.repository }}
+        run: |
+          if ! git config user.name > /dev/null; then
+            git config user.name "John Doe"
+          fi
+          if ! git config user.email > /dev/null; then
+            git config user.email "johndoe@localhost"
+          fi
+          git remote add upstream "${UPSTREAM}"
+          git fetch upstream
+          BRANCH=${{ inputs.release }}
+          git merge upstream/"release-${BRANCH#release-v}"
+
+        shell: bash
+
+      - name: Regenerate all generated files
+        working-directory: ./src/github.com/${{ github.repository }}
+        run: ./openshift/release/generate-release.sh ${{ inputs.release }}
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v4
+        with:
+          path: ./src/github.com/${{ github.repository }}
+          branch: auto/sync-upstream-${{ inputs.release }}
+          title: "[${{ inputs.release }}] Sync upstream release"
+          commit-message: "Sync upstream release"
+          delete-branch: true
+          body: |
+            Sync upstream release
diff --git a/README.md b/README.md
index 66ea8e1bb..8b358540f 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,14 @@ fixes needed only for the OpenShift side of things.
 # OpenShift net-kourier Release procedure
 
 Currently the release cut is not automated but just one command.
-Once upstream cuts the branch (e.g. upstream cut `release-1.9` branch), run:
+Once upstream cuts the branch (e.g. upstream cut `release-v1.9` branch), run:
 
 ```sh
-$ openshift/release/create-release-branch.sh release-1.9
+$ openshift/release/create-release-branch.sh release-v1.9
 ```
 
 Then, push the branch against to this repository.
+
+## Sync upstream
+
+The procedure is the same as [serving](https://github.com/openshift-knative/serving/blob/main/README.md).