small code refactoring

bin/epmgpi

@@ -12,6 +12,11 @@ trap "clean_up_tmp $EPMGPI_TMP" EXIT
 # Дефолтные параметры yad
 YAD_DEFAULT="/usr/bin/yad --window-icon=epmgpi --title=epmgpi --class=epmgpi"
 
+VALID_FILE_EXTENSIONS=(
+    "*.rpm" "*.deb" "*.run"
+    "*.appimage" "*.AppImage" "*.Appimage"
+)
+
 # Уведомления
 ntf() {
     notify-send --icon=epmgpi "$1"
@@ -46,7 +51,7 @@ repackq() {
 
 # GUI селектор пакетов
 pkgselection() {
-    PKG_PATH=$($YAD_DEFAULT --file --file-filter="*.rpm *.deb *.appimage *.AppImage *.Appimage *.run")
+    PKG_PATH=$($YAD_DEFAULT --file --file-filter="${VALID_FILE_EXTENSIONS[*]}")
     echo "$PKG_PATH"
 }