update CI

.github/workflows/dockerfile-test-v1.0.1.yml

@@ -36,19 +36,21 @@ jobs:
       with:
         # Checkout as many commits as needed for the diff
         fetch-depth: 2
-    - shell: pwsh
+
+    - shell: bash
       id: check_file_changed
       run: |
         # Diff HEAD with the previous commit
-        $diff = git diff --name-only HEAD^ HEAD
+        diff=$(git diff --name-only HEAD^ HEAD)
 
         # check if the Dockerfile has changed (added, modified, deleted) at /docker/$DOCKERFILE_NAME
-        $DockerfileDiff = $diff | Where-Object { $_ -match '^docker/$env:DOCKERFILE_NAME' }
-        $HasDiff = $DockerfileDiff.Length -gt 0
+        DockerfileDiff=$(echo "$diff" | grep -E "^docker/$DOCKERFILE_NAME")
+        HasDiff=$(echo "$DockerfileDiff" | wc -l)
+
+        # echo the output to $GITHUB_OUTPUT
+        echo "file_changed=$HasDiff" >> $GITHUB_ENV
 
-        # Set the output named "file_changed"
-        Write-Host "::set-output name=file_changed::$HasDiff"
-    - name: print file_changed
+    - name: print if file changed
       run: echo "file_changed=${{ steps.check_file_changed.outputs.file_changed }}"
 
   test: