Custom Alias for ZSH to change defaul terminal in GIO / XDG

default_terminal.zsh

# Custom Alias for ZSH to change defaul terminal in GIO / XDG

function __default_terminal() {

	## Default values

	TERMINAL_ARGS=new-window
	TERMINAL=com.gexperts.Tilix
	system=false
	check_only=False
	
	## Manage arguments
	while [[ $# -gt 0 ]]; do
		case "$1" in
		--check|-c)
			check_only=true
			;;
		--system|-s)
			system=true
			;;
		--user|-u)
			system=false
			;;
		--terminal-args|-ta)
			shift
			TERMINAL_ARGS="$1"
			;;
		--terminal|-t)
			shift
			TERMINAL="$1"
			;;
		--help|-h)
			echo "Usage: $0 [--system | --user] [--terminal TERMINAL] --terminal-args 'ARGS' [--help]"
			echo ""
			echo "  --system        | -s         Modify system-wide xdg-terminal-exec files (requires sudo)"
			echo "  --user          | -u         Modify user-specific xdg-terminal-exec files (default)"
			echo "  --terminal      | -t         Specify the terminal to set as default (default: com.gexperts.Tilix)"
			echo "  --terminal-args | -ta 'ARGS' Specify additional arguments to pass to the terminal"
			echo "  --check         | -c         Check current default terminal settings"
			echo "  --help          | -h         Show this help message"
			return 0
			;;
		esac
		shift
	done

	LINE="$TERMINAL.desktop"
	[[ -n "$TERMINAL_ARGS" ]] && LINE="$LINE:$TERMINAL_ARGS"


	## Declare arrays
	typeset -a USER_CONFIG_FILES SYSTEM_CONFIG_FILES

	USER_CONFIG_FILES=(
		$HOME/.config/ubuntu-xdg-terminals.list
		$HOME/.config/gnome-xdg-terminals.list
		$HOME/.config/xdg-terminals.list
		$HOME/.local/share/flatpak/exports/share/xdg-terminal-exec/ubuntu-xdg-terminals.list
		$HOME/.local/share/flatpak/exports/share/xdg-terminal-exec/gnome-xdg-terminals.list
		$HOME/.local/share/flatpak/exports/share/xdg-terminal-exec/xdg-terminals.list
	)

	SYSTEM_CONFIG_FILES=(
		/etc/xdg/ubuntu-xdg-terminals.list
		/etc/xdg/gnome-xdg-terminals.list
		/etc/xdg/xdg-terminals.list
		/var/lib/flatpak/exports/share/xdg-terminal-exec/ubuntu-xdg-terminals.list
		/var/lib/flatpak/exports/share/xdg-terminal-exec/gnome-xdg-terminals.list
		/var/lib/flatpak/exports/share/xdg-terminal-exec/xdg-terminals.list
		/usr/local/share/xdg-terminal-exec/ubuntu-xdg-terminals.list
		/usr/local/share/xdg-terminal-exec/gnome-xdg-terminals.list
		/usr/local/share/xdg-terminal-exec/xdg-terminals.list
		/usr/share/xdg-terminal-exec/ubuntu-xdg-terminals.list
		/usr/share/xdg-terminal-exec/gnome-xdg-terminals.list
		/usr/share/xdg-terminal-exec/xdg-terminals.list
		/var/lib/snapd/desktop/xdg-terminal-exec/ubuntu-xdg-terminals.list
		/var/lib/snapd/desktop/xdg-terminal-exec/gnome-xdg-terminals.list
		/var/lib/snapd/desktop/xdg-terminal-exec/xdg-terminals.list
	)

	if [[ "$system" == false ]]; then
		for current_file in "${USER_CONFIG_FILES[@]}"; do
			if [[ -f "$current_file" ]]; then
				if [[ "$check_only" == true ]]; then
					echo ">>>> Begin of $current_file <<<<"
					current=$(<"$current_file")
					echo -n "$current"
					echo ""
					echo ">>>> End of $current_file <<<<"
					echo ""
					continue
				fi
				sed -i "/$LINE/c\\" "$current_file"
				current=$(<"$current_file")
				{
					echo "$LINE"
					echo "$current"
				} >| "$current_file"
			fi
		done

	elif [[ "$system" == true ]]; then
		for current_file in "${SYSTEM_CONFIG_FILES[@]}"; do
			if [[ -f "$current_file" ]]; then
				if [[ "$check_only" == true ]]; then
					echo ">>>> Begin of $current_file <<<<"
					current="$(sudo cat "$current_file")"
					echo -n "$current"
					echo ""
					echo ">>>> End of $current_file <<<<"
					echo ""
					continue
				fi
				sudo sed -i "/$LINE/c\\" "$current_file"
				current="$(sudo cat "$current_file")"
				{
					echo "$LINE"
					echo "$current"
				} | sudo tee "$current_file" > /dev/null
			fi
		done
	fi
}

alias default_terminal=__default_terminal
alias dt=__default_terminal