dotsync: set fallback for host package

common/.local/bin/dotsync

@@ -12,11 +12,17 @@ stow_git() {
 
 multi_stow() {
     ret=0
-    for package in common "$(hostname)"; do
-        [ -n "$package" ] && [ -e "${STOW_DIR}/${package}" ] && {
-            stow --no-folding -d "$STOW_DIR" -t "$HOME" "$@" "$package"
-            ret=$((ret + $?))
-        }
+
+    hostname=$(hostname)
+    if [ -e "${STOW_DIR}/$hostname" ]; then
+        host_package=$hostname
+    else
+        host_package="fallback"
+    fi
+
+    for package in common ${host_package}; do
+        stow --no-folding -d "$STOW_DIR" -t "$HOME" "$@" "$package"
+        ret=$((ret + $?))
     done
     return $ret
 }