Add a way to skip repos in generated files and add a few unset variables.

mirror-file-generator.sh

@@ -378,7 +378,7 @@ for ((i=0; i<${#selected_mirrors[@]}; i++)); do
                     repo_sync_time=$(date -d "@$(cat "${timestamp:?}")" '+%c')
                 fi
 
-                # If a directory usage summary exists, parse the size.
+                # If a directory usage summary exists and we're not skipping, parse the size.
                 if [[ -f ${dusum:?} ]] && ((${repo_skip:-0} == 0)); then
                     repo_size_kb=$(grep "$real_dir" "${dusum:?}" | awk '{print $1}')
                     if [[ -n $repo_size_kb ]]; then
@@ -408,7 +408,12 @@ for ((i=0; i<${#selected_mirrors[@]}; i++)); do
             fi
         done
 
+        # If we should skip this repo, continue to the next.
         if ((${repo_skip:-0})); then
+            # Unset all vars for next repo.
+            unset repo_path repo_icon repo_title repo_size repo_size_kb \
+                    repo_sync_time repo_description timestamp dusum section \
+                    icon repo_skip disable_size_calc timestamp_file_stat
             continue
         fi