dashboards backup (#13186)

I streamlined the workflow for backing up dashboards and avoided
unnecessary fiddling of users with erigon repo branch.

.github/workflows/backups-dashboards.yml

@@ -10,6 +10,7 @@ env:
   RED: '\033[0;31m'
   YELLOW: '\033[0;33m'
   NOCOLOUR: '\033[0m'
+  ERIGON_BRANCH: main
 
 on:
   workflow_dispatch:
@@ -19,11 +20,6 @@ on:
         type: string
         default: main
         description: 'The branch to pull the backup script from (default: main)'
-      ERIGON_BRANCH:
-        required: false
-        type: string
-        default: main
-        description: 'The branch to pull the erigon repo from (default: main)'
 
 jobs:
   # 
@@ -32,22 +28,8 @@ jobs:
   preparation:
     runs-on: ubuntu-latest
     environment: dashboards_backups
-    steps:
-    - name: CLONE THE ERIGON REPO from ${{ inputs.ERIGON_BRANCH }} branch
-      uses: actions/checkout@v4
-      with:
-        ref: ${{ inputs.ERIGON_BRANCH }}
-        fetch-depth: 1
-        path: ${{ github.workspace }}/erigon
-
-    - name: Upload Erigon repository
-      uses: actions/upload-artifact@v3
-      with:
-          name: erigon-repo
-          path: ${{ github.workspace }}/erigon
-          retention-days: 1
-
-    - name: PULL THE LATEST VERSION OF BACKUP SCRIPT from ${{ inputs.TEMPLATE_BRANCH}} branch
+    steps:    
+    - name: Pull backup script from ${{ inputs.TEMPLATE_BRANCH}} branch
       run: |
         set +x
         curl -L -H "Authorization: Bearer ${{ secrets.GH_TOKEN }}" -H "Accept: application/vnd.github.v3.raw" -H "X-GitHub-Api-Version: 2022-11-28" https://api.github.com/repos/erigontech/scripts/contents/dashboards/dashboard-backup.sh?ref=${{ inputs.TEMPLATE_BRANCH}} -o /tmp/dashboard-backup
@@ -72,19 +54,20 @@ jobs:
       DASHBOARDS_AUTH_TOKEN: ${{ secrets.DASHBOARDS_AUTH_TOKEN }}
       GH_TOKEN: ${{ secrets.GH_TOKEN }}
       DASHBOARDS_GIT_CONFIG: ${{ secrets.DASHBOARDS_GIT_CONFIG }}
-    steps:        
-    - name: SET-UP GIT CONFIG
-      run: |
-        echo ${{ secrets.DASHBOARDS_GIT_CONFIG }} | base64 -d > $HOME/.gitconfig
-
-    - name: Download Erigon repository
-      uses: actions/download-artifact@v3
+    steps:
+    - name: Clone erigon from ${{ env.ERIGON_BRANCH }} branch
+      uses: actions/checkout@v4
       with:
-          name: erigon-repo
-          path: ${{ github.workspace }}/erigon
+        ref: ${{ env.ERIGON_BRANCH }}
+        fetch-depth: 1
+        path: ${{ github.workspace }}/erigon
 
-    - name: Move Erigon repository to $HOME # as the backup script expects it to be there
+    - name: Move repository to $HOME # as the backup script expects it to be there
       run: mv ${{ github.workspace }}/erigon $HOME/
+
+    - name: Set-up git
+      run: |
+        echo ${{ secrets.DASHBOARDS_GIT_CONFIG }} | base64 -d > $HOME/.gitconfig
               
     - name: Download dashboard-backup
       uses: actions/download-artifact@v3
@@ -112,7 +95,6 @@ jobs:
         with:
           name: |
             dashboard-backup
-            erigon-repo
 
       - name: Bye ${{ github.actor }}
         if: always()