fixed a single line as summary

Author: nulls

action.yml

@@ -120,9 +120,9 @@ runs:
         chmod +x ${DIKTAT_CMD}
         { ${DIKTAT_CMD} "${DIKTAT_ARGS[@]}" "${INPUT_PATHS[@]}" | tee diktat.log; } && exit_code=$? || exit_code=$?
         total_lines=$(wc -l diktat.log | cut -d ' ' -f1)
-        summary_line=$(grep -n 'Summary error count (descending) by rule:' diktat.log | cut -d: -f1)
-#        echo "summary-line=$(tail -n $((total_lines - summary_line)) diktat.log 2>/dev/null)" >>$GITHUB_OUTPUT
-        echo "summary-line=$(tail -n1 diktat.log 2>/dev/null)" >>$GITHUB_OUTPUT
+        summary_line_number=$(grep -n 'Summary error count (descending) by rule:' diktat.log | cut -d: -f1)
+        summary_line=$(tail -n $((total_lines - summary_line_number)) diktat.log | sed -e 's/^  //g' | awk '{ printf("%s,", $0) } END { printf "\n" }' | sed -e 's/,$//g')
+        echo "summary-line=${summary_line} >>$GITHUB_OUTPUT
         rm -f diktat.log
         echo "exit-code=${exit_code}" >>$GITHUB_OUTPUT
       env:
@@ -156,7 +156,7 @@ runs:
         if (( ${{ steps.diktat.outputs.exit-code }} != 0 ))
         then
           echo '```console' >>${GITHUB_STEP_SUMMARY}
-          echo "${{ steps.diktat.outputs.summary-line }}" >>${GITHUB_STEP_SUMMARY}
+          ${{ steps.diktat.outputs.summary-line }} | xargs -d ',' -n1 echo >>${GITHUB_STEP_SUMMARY}
           echo '```' >>${GITHUB_STEP_SUMMARY}
         fi