setup-util-(beeper|github|esktop-plus): fix app detection on linux

Author: balupton

commands/setup-util-beeper

@@ -10,7 +10,8 @@ function setup_util_beeper() (
 	# setup
 	local options=(
 		--name='Beeper'
-		--app='Beeper'
+		--app='Beeper' # macos, appimage
+		--app='beepertexts' # linux .desktop
 		"$@"
 	)
 	if __is_windows; then

commands/setup-util-github-desktop-plus

@@ -43,14 +43,20 @@
 function setup_util_github_desktop_plus() (
 	source "$DOROTHY/sources/bash.bash"
 
+	# app options
+	local app_options=(
+		--app='GitHub Desktop Plus' # macos
+		--app='github-desktop-plus' # linux *.desktop
+	)
+
 	# improve performance for detectable utilities with conditional assets
-	if setup-util --check --app=github_desktop "$@"; then
+	if setup-util --check "${app_options[@]}" "$@"; then
 		return 0
 	fi
 
 	# setup
 	local arch options=(
-		--app='GitHub Desktop Plus'
+		"${app_options[@]}"
 		"$@"
 		AUR='github-desktop-plus-bin'
 		APT_KEY='https://gpg.polrivero.com/public.key'