update bump-version.yml (#31542)

* update bump-version.yml

* Update bump-version.yml

.github/workflows/bump-version.yml

@@ -9,6 +9,44 @@ jobs:
   main:
     runs-on: ubuntu-latest
     steps:
+    # This is a basic workflow to help you get started with Actions
+      - uses: actions-ecosystem/action-regex-match@v2
+        id: regex-match
+        with:
+          text: ${{ github.event.inputs.version }}
+          regex: '^(\d+.\d+).\d+(?:-beta.\d+)?$'
+          
+      - name: Validate input version
+        if: ${{ steps.regex-match.outputs.match == '' }}
+        run: |
+          echo "The input version format is not correct, please respect:\
+          major.minor.patch or major.minor.patch-beta.number format. \
+          example: 7.4.3 or 7.4.3-beta.1"
+          exit 1
+      - uses: actions/checkout@v2
+      
+      - name: Set intermedia variables
+        id: intermedia
+        run: |
+          echo "::set-output name=short_ref::${GITHUB_REF#refs/*/}"
+          echo "::set-output name=check_passed::false"
+          echo "::set-output name=branch_name::v${{steps.regex-match.outputs.group1}}"
+          echo "::set-output name=branch_exist::$(git ls-remote --heads https://github.com/grafana/grafana.git v${{ steps.regex-match.outputs.group1 }}.x | wc -l)"      
+          
+      - name: Check input version is aligned with branch(not master)
+        if: steps.intermedia.outputs.branch_exist != '0' && !contains(steps.intermedia.outputs.short_ref, steps.intermedia.outputs.branch_name)
+        run: |
+          echo " You need to run the workflow on branch v${{steps.regex-match.outputs.group1}}.x
+          exit 1
+      
+      - name: Check input version is aligned with branch(master)
+        if: steps.intermedia.outputs.branch_exist == '0' && !contains(steps.intermedia.outputs.short_ref, 'main')
+        run: |
+          echo "When you want to deliver a new new minor version, you might want to create a new branch first \
+          with naming convention v[major].[minor].x, and just run the workflow on that branch. \
+          Run the workflow on master only when needed"
+          exit 1
+          
       - name: Checkout Actions
         uses: actions/checkout@v2
         with: