termux-api: Remove empty lines from -h output

[termux-packages] / packages / termux-api / termux-dialog

#!/bin/sh
set -e -u

SCRIPTNAME=termux-dialog
show_usage () {
    echo "Usage: $SCRIPTNAME [-i hint] [-m] [-p] [-t title]"
    echo "Show a text entry dialog."
    echo "  -i hint   the input hint to show when the input is empty"
    echo "  -m        use a textarea with multiple lines instead of a single"
    echo "  -p        enter the input as a password"
    echo "  -t title  the title to show for the input prompt"
    exit 0
}

PARAMS=""

ARG_I=""
OPT_I=""
ARG_M=""
ARG_P=""
ARG_T=""
OPT_T=""

while getopts :hi:mpt: option
do
	case "$option" in
		h) show_usage;;
		i) ARG_I="--es input_hint";  OPT_I="$OPTARG";;
		m) ARG_M="--ez multiple_lines true";;
		p) ARG_P="--es input_type password";;
		t) ARG_T="--es input_title"; OPT_T="$OPTARG";;
		?) echo "$SCRIPTNAME: illegal option -$OPTARG"; exit 1;
	esac
done
shift $(($OPTIND-1))

if [ $# != 0 ]; then echo "$SCRIPTNAME: too many arguments"; exit 1; fi

set -- $ARG_M $ARG_P
if [ -n "$ARG_I" ]; then set -- "$@" $ARG_I "$OPT_I"; fi
if [ -n "$ARG_T" ]; then set -- "$@" $ARG_T "$OPT_T"; fi

@TERMUX_API@ Dialog "$@"