Cleanup

game_re/scan_sources

@@ -3,20 +3,24 @@ script_dir=$(readlink -f $(dirname "$0"))
 tool=$script_dir/../tooling/bin/r3_gh_tool
 
 set -e
+shopt -s nullglob
 
 pushd $script_dir
 
 mkdir -p logs
 types=(auto ref fix stub)
 for type in "${types[@]}"; do
-    file_list="logs/files_${type}.txt"
-    rm -f "$file_list"
-
     if [ -d "gh_${type}" ]; then
+        file_list="logs/files_${type}.txt"
+        rm -f "$file_list"
+        any_files=false
         for file in "gh_${type}"/*.cxx; do
             echo "$file" >>"$file_list"
+            any_files=true
         done
-        $tool "@$file_list" -v --type=$type --log-file=logs/log-functions-${type}.txt
+        if [ "$any_files" = true ]; then
+            $tool "@$file_list" -v --type=$type --log-file=logs/log-functions-${type}.txt
+        fi
     fi
 done