Fix restic excludes.

handlers/restic.in

@@ -61,11 +61,18 @@ if [[ "$backup" == "yes" ]]; then
       debug "No exclusion patterns defined."
    else
       debug "Files matching the following patterns will be excluded from backups:"
+      set -f
       for e in $exclude
       do
-         exclude_options="$exclude_options --exclude $e"
+         exclude_options="$exclude_options --exclude=$e"
          debug "==> $e"
       done
+      if [ -d $repo ]; then
+         # Avoid infinite recursion if we try to backup a local repository.
+         exclude_options="$exclude_options --exclude=$repo"
+         debug "==> $repo"
+      fi
+      set +f
    fi
 
    if [ -z "$tag" ]; then