chore: move brick to its own repo & go back to old pana action

.github/workflows/pana_analysis.yml

@@ -2,8 +2,8 @@ name: Pana Analysis
 on: [pull_request, workflow_dispatch]
 
 jobs:
-  pana-analysis:
-    runs-on: macos-latest
+  package-analysis:
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
@@ -12,23 +12,29 @@ jobs:
         with:
           channel: stable
 
-      - name: Analyze package with Pana
-        run: |
-          flutter pub global activate pana 0.21.5
-
-          REQUIRED_RATIO=1.0
-          TEMP_FILE=/tmp/pana_results.txt
-
-          # Run pana, piping the output to both stderr and into a grep to find the result in the last line.
-          pana --no-warning | tee /dev/stderr | tail -1 | grep -o -E '[0-9]+' > $TEMP_FILE
-
-          # Extract score and calculate ratio.
-          SCORE=$(cat $TEMP_FILE | head -1)
-          TOTAL=$(cat $TEMP_FILE | tail -1)
-          RATIO=$(echo "scale=2; $SCORE / $TOTAL" | bc -l)
-          MEETS_REQUIRED_RATIO=$(echo "$RATIO >= $REQUIRED_RATIO" | bc -l)
+      - uses: axel-op/dart-package-analyzer@v3
+        # set an id for the current step
+        id: analysis
+        with:
+          githubToken: ${{ secrets.GITHUB_TOKEN }}
 
-          if [[ "$MEETS_REQUIRED_RATIO" != "1" ]]; then
-            echo "Score of $SCORE out of $TOTAL is a ratio of $RATIO, which is not sufficient to meet the required ratio of $REQUIRED_RATIO"
+      # You can then use this id to retrieve the outputs in the next steps.
+      # The following step shows how to exit the workflow with an error if the total score in percentage is below 50:
+      - name: Check scores
+        env:
+          # NB: "analysis" is the id set above. Replace it with the one you used if different.
+          TOTAL: ${{ steps.analysis.outputs.total }}
+          TOTAL_MAX: ${{ steps.analysis.outputs.total_max }}
+        run: |
+          PERCENTAGE=$(( $TOTAL * 100 / $TOTAL_MAX ))
+          if (( $PERCENTAGE < 80 ))
+          then
+            echo Score too low!
             exit 1
           fi
+      # This step is useful for PR's coming from forks. It takes the raw JSON and formats a report from it.
+      - name: Format scores json
+        env:
+          JSON_OUTPUT: ${{ steps.analysis.outputs.json_output }}
+        run: |
+          TOTAL_SCORE=$(jq -r '.scores.grantedPoints' <<< "$JSON_OUTPUT")