Dev Experience (#2912)

Author: yuhongsun96

.github/pull_request_template.md

@@ -26,4 +26,4 @@ N/A
 
 ## Backporting (check the box to trigger backport action)
 Note: You have to check that the action passes, otherwise resolve the conflicts manually and tag the patches.
-[ ] This PR should be backported (make sure to check that the backport attempt succeeds)
+- [ ] This PR should be backported (make sure to check that the backport attempt succeeds)

.github/workflows/pr-backport-autotrigger.yml

@@ -10,43 +10,84 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
 
-      - name: Check for Backport Checkbox
-        id: checkbox-check
+      - name: Set up Git
         run: |
-          PR_BODY="${{ github.event.pull_request.body }}"
-          if [[ "$PR_BODY" == *"[x] This PR should be backported"* ]]; then
-            echo "::set-output name=backport::true"
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+      - name: Check for Backport Label
+        id: check-label
+        run: |
+          labels="${{ github.event.pull_request.labels.*.name }}"
+          if [[ "$labels" == *"backport"* ]]; then
+            echo "backport=true" >> $GITHUB_OUTPUT
           else
-            echo "::set-output name=backport::false"
+            echo "backport=false" >> $GITHUB_OUTPUT
           fi
 
       - name: List and sort release branches
         id: list-branches
         run: |
-          git fetch --all
-          BRANCHES=$(git branch -r | grep 'origin/release/v' | sed 's|origin/release/v||' | sort -Vr)
+          BRANCHES=$(git for-each-ref --format='%(refname:short)' refs/remotes/origin/release/* | sed 's|origin/release/||' | sort -Vr)
           BETA=$(echo "$BRANCHES" | head -n 1)
           STABLE=$(echo "$BRANCHES" | head -n 2 | tail -n 1)
-          echo "::set-output name=beta::$BETA"
-          echo "::set-output name=stable::$STABLE"
+          echo "beta=$BETA" >> $GITHUB_OUTPUT
+          echo "stable=$STABLE" >> $GITHUB_OUTPUT
+
+          # Fetch latest tags for beta and stable
+          # Beta tag is in the format vX.Y.Z-beta.W
+          # Stable tag is in the format vX.Y.Z
+          LATEST_BETA_TAG=$(git tag -l "v*.*.0-beta.*" | sort -Vr | head -n 1)
+          LATEST_STABLE_TAG=$(git tag -l "v*.*.*" | grep -v -- "-beta" | sort -Vr | head -n 1)
+          
+          # Increment latest beta tag
+          NEW_BETA_TAG=$(echo $LATEST_BETA_TAG | awk -F '.' '{print $1 "." $2 ".0-beta." ($4+1)}')
+          # Increment latest stable tag
+          NEW_STABLE_TAG=$(echo $LATEST_STABLE_TAG | awk -F '.' '{print $1 "." $2 "." ($3+1)}')
+          echo "latest_beta_tag=$LATEST_BETA_TAG" >> $GITHUB_OUTPUT
+          echo "latest_stable_tag=$LATEST_STABLE_TAG" >> $GITHUB_OUTPUT
+          echo "new_beta_tag=$NEW_BETA_TAG" >> $GITHUB_OUTPUT
+          echo "new_stable_tag=$NEW_STABLE_TAG" >> $GITHUB_OUTPUT
+
+      - name: Echo branch and tag information
+        run: |
+          echo "Beta branch: ${{ steps.list-branches.outputs.beta }}"
+          echo "Stable branch: ${{ steps.list-branches.outputs.stable }}"
+          echo "Latest beta tag: ${{ steps.list-branches.outputs.latest_beta_tag }}"
+          echo "Latest stable tag: ${{ steps.list-branches.outputs.latest_stable_tag }}"
+          echo "New beta tag: ${{ steps.list-branches.outputs.new_beta_tag }}"
+          echo "New stable tag: ${{ steps.list-branches.outputs.new_stable_tag }}"
 
       - name: Trigger Backport
-        if: steps.checkbox-check.outputs.backport == 'true'
+        if: steps.check-label.outputs.backport == 'true'
         run: |
+          set -e
           echo "Backporting to beta ${{ steps.list-branches.outputs.beta }} and stable ${{ steps.list-branches.outputs.stable }}"
-          # Fetch all history for all branches and tags
-          git fetch --prune --unshallow
           # Checkout the beta branch
           git checkout ${{ steps.list-branches.outputs.beta }}
           # Cherry-pick the last commit from the merged PR
-          git cherry-pick ${{ github.event.pull_request.merge_commit_sha }}
-          # Push the changes to the beta branch
+          git cherry-pick -m 1 ${{ github.event.pull_request.merge_commit_sha }} || {
+            echo "Cherry-pick to beta failed due to conflicts."
+            exit 1
+          }
+          # Create new beta tag
+          git tag ${{ steps.list-branches.outputs.new_beta_tag }}
+          # Push the changes and tag to the beta branch
           git push origin ${{ steps.list-branches.outputs.beta }}
+          git push origin ${{ steps.list-branches.outputs.new_beta_tag }}
           # Checkout the stable branch
           git checkout ${{ steps.list-branches.outputs.stable }}
           # Cherry-pick the last commit from the merged PR
-          git cherry-pick ${{ github.event.pull_request.merge_commit_sha }}
-          # Push the changes to the stable branch
+          git cherry-pick -m 1 ${{ github.event.pull_request.merge_commit_sha }} || {
+            echo "Cherry-pick to stable failed due to conflicts."
+            exit 1
+          }
+          # Create new stable tag
+          git tag ${{ steps.list-branches.outputs.new_stable_tag }}
+          # Push the changes and tag to the stable branch
           git push origin ${{ steps.list-branches.outputs.stable }}
+          git push origin ${{ steps.list-branches.outputs.new_stable_tag }}