Try to rely less on hardcoded paths

scripts/applications.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/run/current-system/sw/bin/bash
 
 if [ $# -ne 1 ]; then
   echo "Usage: $0 <target_dir>"
@@ -12,15 +12,18 @@ check_dir() {
   for application in "$dir/"*; do
     file="$(basename "$application")"
 
-    sed "s/^Exec=/Exec=bwshell --name '$file' --profile gui /gi" "$application" > "$target/$file"
+    sed "s/^Exec=/Exec=bwbox --name '$file' --profile wayland /gi" "$application" > "$target/$file"
   done
 }
 
-dirs=("/usr/share/applications" "$HOME/.local/share/applications")
+dirs=($(echo "$XDG_DATA_DIRS" | tr ':' '\n'))
+dirs+=("$HOME/.local/share")
 target="$1"
 
 mkdir -p "$target"
 
 for dir in "${dirs[@]}"; do
-  check_dir "$dir"
+  if [ -d "$dir/applications" ]; then
+    check_dir "$dir/applications"
+  fi
 done