add error overview to rgit util

.local/bin/rgit

@@ -2,8 +2,11 @@
 
 bold=$(tput bold)
 normal=$(tput sgr0)
+red=$(tput setaf 1)
 
-find -mindepth 1 -maxdepth 1 -type d | sort | while read file; do
+export repos_with_error=()
+
+while read file; do
   git -C "$file" rev-parse &> /dev/null
   code=$?
 
@@ -13,7 +16,16 @@ find -mindepth 1 -maxdepth 1 -type d | sort | while read file; do
 
     if (( "$#" > 0 )); then
       git -C "$file" "$@"
+      if [ $? != 0 ]; then
+        repos_with_error+=("$repo")
+      fi
     fi
   fi
+done < <(find -mindepth 1 -maxdepth 1 -type d | sort)
 
-done
+if [ ${#repos_with_error[@]} != 0 ]; then
+  echo -e "\n${bold}${red}Fehler in folgenden Verzeichnissen:${normal}"
+  for repo in "${repos_with_error[@]}"; do
+    echo "  - ${red}${repo}${normal}"
+  done
+fi