Merge pull request #9 from stackql/feat/check-binary-before-install

added the check step and if condition for setup stackql

Author: yunchengyang515

action.yml

@@ -27,8 +27,20 @@ inputs:
 runs:
   using: "composite"
   steps:
+    - name: Check StackQL is installed and set output
+      id: check-stackql
+      shell: bash
+      run: |
+        if command -v stackql &> /dev/null; then
+            echo "stackql_installed=true" >> $GITHUB_OUTPUT
+        else
+            echo "stackql_installed=false" >> $GITHUB_OUTPUT
+        fi
+
+        
     - name: Setup StackQL
       uses: stackql/[email protected]
+      if: ${{steps.check-stackql.outputs.stackql_installed == 'false'}}
       with:
         use_wrapper: true