Test the changes that have been made

sdata/step/3.install-files.sh

@@ -1,6 +1,8 @@
 # This script is meant to be sourced.
 # It's not for directly running.
 
+# shellcheck shell=bash
+
 # TODO: https://github.com/end-4/dots-hyprland/issues/2137
 
 function warning_rsync(){
@@ -179,7 +181,7 @@ warn_files_tests+=(/usr/local/share/licenses/ttf-gabarito)
 warn_files_tests+=(/usr/local/share/icons/OneUI{,-dark,-light})
 warn_files_tests+=(/usr/local/share/icons/Bibata-Modern-Classic)
 warn_files_tests+=(/usr/local/bin/{LaTeX,res})
-for i in ${warn_files_tests[@]}; do
+for i in "${warn_files_tests[@]}"; do
   echo $i
   test -f $i && warn_files+=($i)
   test -d $i && warn_files+=($i)
@@ -223,6 +225,6 @@ if [[ -z "${ILLOGICAL_IMPULSE_VIRTUAL_ENV}" ]]; then
   printf "\n${STY_RED}[$0]: \!! Important \!! : Please ensure environment variable ${STY_RST} \$ILLOGICAL_IMPULSE_VIRTUAL_ENV ${STY_RED} is set to proper value (by default \"~/.local/state/quickshell/.venv\"), or Quickshell config will not work. We have already provided this configuration in ~/.config/hypr/hyprland/env.conf, but you need to ensure it is included in hyprland.conf, and also a restart is needed for applying it.${STY_RST}\n"
 fi
 
-if [[ ! -z "${warn_files[@]}" ]]; then
+if [[ ${#warn_files[@]} -gt 0 ]]; then
   printf "\n${STY_RED}[$0]: \!! Important \!! : Please delete ${STY_RST} ${warn_files[*]} ${STY_RED} manually as soon as possible, since we\'re now using AUR package or local PKGBUILD to install them for Arch(based) Linux distros, and they'll take precedence over our installation, or at least take up more space.${STY_RST}\n"
 fi