Support locally supplied term-startup.sh options

set -eu

shopt -s extglob lastpipe

declare -A TERM_STARTUP_OPTIONS=(

	[ssh]="SSH: connect to a remote host"

	[tmux]="Tmux: connect to local terminal multiplexer"

)

. ~/.shell/lib/shared.sh

. ~/.profile

declare -r CODE_HIGHLIGHT=$(tput setab 15; tput setaf 16)

declare -r CODE_RESET=$(tput sgr0)

declare -a OPTIONS=(

	ssh="SSH: connect to a remote host"

	tmux="Tmux: connect to local terminal multiplexer"

	shell="Shell: start a local shell ($SHELL)"

	manual="Enter command manually"

)

declare -a OPTIONS=()

declare -i FOCUS=0

declare USE_TMUX=true

if [[ -v TMUX ]] || ! has tmux || ! tmux has-session; then

	USE_TMUX=false

	unset OPTIONS[1]

	OPTIONS=( "${OPTIONS[@]}" )

	unset TERM_STARTUP_OPTIONS[tmux]

fi

if ! has ssh; then

	unset TERM_STARTUP_OPTIONS[ssh]

fi

for opt in "${!TERM_STARTUP_OPTIONS[@]}"; do

	OPTIONS+=( $opt="${TERM_STARTUP_OPTIONS[$opt]}" )

done

# Hard-code the following two options:

OPTIONS+=(

	shell="Shell: start a local shell ($SHELL)"

	manual="Enter command manually"

)

_clear() { clear; echo; }

interact() {

	local STATE=ssh

	trap 'echo; read -N1 -p "Press any key to exit"' EXIT

	while _clear && do_$STATE; do

		has do_$STATE || die "Unknown state: $STATE"

	while _clear && do_${STATE//-/_}; do

		has do_${STATE//-/_} || die "Unknown state: $STATE"

	done

	die "Command for the $STATE state failed: $_"

}