evaluate result code from make

Author: devsaurus

.github/workflows/regression.yaml

@@ -39,17 +39,17 @@ jobs:
       if: ${{ ! startsWith(github.ref, 'refs/tags/') }}
       run: |
         pushd tests
-	fail=0
+        fail=0
         for dir in `find . -mindepth 1 -maxdepth 1 -type d`; do
           pushd $dir
-	  if ! make; then
+          if ! make; then
             fail=1
-	    popd
-	    break
-	  fi
+            popd
+            break
+          fi
           popd
         done
-	if [ ! $fail -eq 0 ]; then false; else true; fi
+        if [ ! $fail -eq 0 ]; then false; else true; fi
 
     - name: Upload artifacts
       uses: actions/upload-artifact@v4