doc: Don't count blank and comment lines

.github/workflows/lines_of_code.yaml

@@ -6,7 +6,9 @@ on :
     branches:
       - main
 env:
-  BADGE_COLOR: 61A
+  CLOC_DIR     : /home/runner/cloc
+  LINES_OF_CODE: 0
+  BADGE_COLOR  : 61A
 
 jobs:
   lines_of_code:
@@ -17,28 +19,24 @@ jobs:
       - name: Checkout branch
         uses: actions/checkout@v4
 
-      - name: Count lines
-        uses: shadowmoose/[email protected]
-        id  : loc
-        with:
-          directory  : ./
-          badge      : ./doc/images/lines_of_code.svg
-          patterns   : '**/*.c|**/*.h|**/Makefile|**/*.mk|**/*.py|**/*.yaml|**/*.sh|**/*.y|**/*.bnf'
-          badge_label: 'lines of code'
-          badge_color: ${{ env.BADGE_COLOR }}
-          badge_style: classic
-          debug      : true
+      - name: Install cloc
+        run : |
+          git clone [email protected]:AlDanial/cloc.git ${{ env.CLOC_DIR }}
+
+      - name: Count lines by language
+        run : |
+          ${{ env.CLOC_DIR }}/cloc --fmt=2 --include-lang='C,C/C++ Header,make,YAML,Python,Bourne Shell,Bourne Again Shell,yacc,Dockerfile' . | tee ${{ env.CLOC_DIR }}/cloc_output.txt
+          echo "LINES_OF_CODE=$(grep 'SUM:' ${{ env.CLOC_DIR }}/cloc_output.txt | awk '{print $5}')" >> "$GITHUB_ENV"
 
-      - name: Print the output
+      - name: Count lines by file
         run : |
-          echo "Scanned: ${{ steps.loc.outputs.counted_files }}";
-          echo "Line Count: ${{ steps.loc.outputs.total_lines }}";
+          ${{ env.CLOC_DIR }}/cloc --fmt=5 --include-lang='C,C/C++ Header,make,YAML,Python,Bourne Shell,Bourne Again Shell,yacc,Dockerfile' .
 
       - name: Create badge
         uses: RubbaBoy/BYOB@v1
         with:
           name        : lines_of_code
           label       : 'lines of code'
-          status      : ${{ steps.loc.outputs.total_lines }}
+          status      : ${{ env.LINES_OF_CODE }}
           color       : ${{ env.BADGE_COLOR }}
           github_token: ${{ github.token }}