Auto PR

.github/workflows/auto-pr.yml

@@ -0,0 +1,38 @@
+name: Auto PR
+
+on:
+  push:
+    branches:
+      - 'release/*'
+
+jobs:
+  auto-pr:
+    runs-on: ubuntu-latest
+
+    env:
+      GH_TOKEN: ${{ github.token }}
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Create Pull Request to the next higher release version
+
+        run: |        
+          git fetch
+          RELEASE_VERSIONS=$(git branch -r | grep 'release/' | cut -d '/' -f 3 | sort -V)
+          CURRENT_VERSION=$(echo $GITHUB_REF | rev | cut -d '/' -f 1 | rev)
+          ME_AND_MY_NEXT=$(echo "$RELEASE_VERSIONS" | grep -w $CURRENT_VERSION -A 1)        
+          NUM=$(echo "$ME_AND_MY_NEXT" | wc -l)            
+          if (( NUM > 1 )); then
+            NEXT_VERSION=$(echo "$ME_AND_MY_NEXT" | tail -n 1)        
+            set -x
+            gh pr create --base "release/$NEXT_VERSION" --head "release/$CURRENT_VERSION" \
+                --title "Auto PR from release/$CURRENT_VERSION to release/$NEXT_VERSION" \
+                --body 'Created by Github action'
+          else
+            echo "No more higher release versions, will merge to main"
+            set -x
+            gh pr create --base main --head "release/$CURRENT_VERSION" \
+                --title "Auto PR from release/$CURRENT_VERSION to main" \
+                --body 'Created by Github action'
+          fi

README.md

@@ -7,6 +7,7 @@
 [PhotonlibOS.github.io](https://photonlibos.github.io)
 
 ## What's New
+* Since 0.7, Photon will use release branches to enhance the reliability of software delivery. Bugfix will be merged into a stable release at first, then to higher release versions, and finally main.
 * Since version 0.6, Photon can run with a userspace TCP/IP stack on top of `DPDK`.
 [En](https://developer.aliyun.com/article/1208512) / [中文](https://developer.aliyun.com/article/1208390).
 * How to transform `RocksDB` from multi-threads to coroutines by only 200 lines of code?