Update release.yml

Author: vinaghost

.github/workflows/release.yml

@@ -1,12 +1,48 @@
 name: ReleaseFlow
 
 on:
-  workflow_dispatch:
-    inputs: 
-      version:
-        required: true
-
+  pull_request:
+    branches: [master]
+    types: [closed]
 jobs:
+  version:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    outputs:
+      version: ${{ steps.semvers.outputs.minor }}
+      changelog: ${{ steps.Changelog.outputs.changelog }}
+    steps:
+      - uses: docker://agilepathway/pull-request-label-checker:latest
+        with:
+          one_of: release
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          
+      - name: 'Checkout repo' 
+        uses: actions/checkout@v2    
+
+      - name: 'Update tag'
+        run: git fetch --prune --unshallow --tags
+
+      - name: 'Get latest tag'
+        id: latesttag
+        uses: pozetroninc/github-action-get-latest-release@master        
+        with:
+          repository: ${{ github.repository }}
+        
+      - name: 'Get next version'
+        id: semvers
+        uses: "WyriHaximus/github-action-next-semvers@v1"
+        with:
+          version: ${{ steps.latesttag.outputs.release }}
+            
+      - name: 'Create changelog'
+        id: Changelog
+        run: |
+          changelog="${{github.event.pull_request.body}}"
+          changelog="${changelog//'%'/'%25'}"
+          changelog="${changelog//$'\n'/'%0A'}"
+          changelog="${changelog//$'\r'/'%0D'}"
+          echo "::set-output name=changelog::$changelog"
   build:
     runs-on: windows-2019
     strategy:
@@ -36,7 +72,7 @@ jobs:
 
   release:
     runs-on: ubuntu-latest
-    needs: build
+    needs: [build, version]
     steps:        
       - name: Download artifact
         uses: actions/download-artifact@v3
@@ -59,7 +95,9 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           body: |
             Please join our Discord server for more information: [https://discord.gg/mBa4f2K](https://discord.gg/mBa4f2K)
-
+            
+            **Changelog**: 
+            ${{needs.version.outputs.changelog}}
   Discord:
     runs-on: ubuntu-latest
     needs: release
@@ -75,7 +113,10 @@ jobs:
           nodetail: true
           description: |
               Version `TBS-${{github.event.inputs.version}}`
-              Click [here](https://github.com/Erol444/TravianBotSharp/releases/tag/${{github.event.inputs.version}}) to download!
+              Click [here](https://github.com/Erol444/TravianBotSharp/releases/tag/${{needs.version.outputs.version}}) to download!
+              
+              **Changelog**:
+              ${{needs.version.outputs.changelog}}
   Clear:
     runs-on: ubuntu-latest
     needs: release