Make linter happy

Author: solmazabbaspour

.github/workflows/backup.yml

@@ -73,13 +73,13 @@ jobs:
       run: docker load -i backup-utils.tar
     - uses: actions/checkout@v3
     - name: Create backup directory
-      run: mkdir $HOME/ghe-backup-data
+      run: mkdir "$HOME/ghe-backup-data"
     - name: set up ssh SSH_KEY
-      run: echo -e "${SSH_KEY}\n" > $HOME/backup
+      run: echo -e "${SSH_KEY}\n" > "$HOME/backup"
     - name: set up ssh key permissions
-      run: chmod 0600 $HOME/backup
+      run: chmod 0600 "$HOME/backup"
     - name: change version
-      run: echo "3.8.0" > $HOME/version
+      run: echo "3.8.0" > "$HOME/version"
 
     - name: Perform backup
       run: |
@@ -94,17 +94,17 @@ jobs:
         backup-utils ghe-backup
     - name: Check the backup file
       run: |
-        current=$(readlink $HOME/ghe-backup-data/current)
-        sudo tar -czvf ${{ inputs.backup-name }}.tar.gz -C $HOME/ghe-backup-data/$current .
+        current=$(readlink "$HOME/ghe-backup-data/current")
+        sudo tar -czvf "${{ inputs.backup-name }}.tar.gz" -C "$HOME/ghe-backup-data/$current" .
 
     - name: Login to Azure
       if: ${{ inputs.backup-name }} != ""
       run: |
         az login \
           --service-principal \
-          -u ${{ secrets.AZURE_USERNAME }} \
-          -p ${{ secrets.AZURE_PASSWORD }} \
-          --tenant ${{ secrets.AZURE_TENANT_ID }}
+          -u "${{ secrets.AZURE_USERNAME }}" \
+          -p "${{ secrets.AZURE_PASSWORD }}" \
+          --tenant "${{ secrets.AZURE_TENANT_ID }}"
         az account set --subscription "${{ secrets.AZURE_SUBSCRIPTION_ID }}"
 
     - name: Upload backup to Azure
@@ -113,6 +113,6 @@ jobs:
         az storage blob upload \
         --account-name "${{ secrets.AZURE_ACCOUNT_NAME }}" \
         --container-name "${{ secrets.AZURE_CONTAINER_NAME }}" \
-        --name ${{ inputs.backup-name }}.tar.gz \
-        --file ${{ inputs.backup-name }}.tar.gz \
+        --name "${{ inputs.backup-name }}.tar.gz" \
+        --file "${{ inputs.backup-name }}.tar.gz" \
         --connection-string "${{ secrets.CONNECTIONSTRING }}"