gitflux-io

#!/usr/bin/env bash


# all those unicode characters may not show in git-bash, f*** that.
io_sign_v="✔"
io_sign_x="✘"
io_sign_i="ℹ"
io_sign_star="★"
io_sign_arrow="➤"

io_log() {
	io_print "   " "$@"
}

io_log_ok() {
	io_print "$(f_fg_green " $io_sign_v ")" "$@"
}

io_log_info() {
	io_print "$(f_fg_blue " $io_sign_i ")" "$@"
}

io_log_banner() {
	io_print "$(f_fg_blue " $io_sign_star $io_sign_star $io_sign_star ")" "$(f_bold "$1")" 2 "$(f_fg_blue " $io_sign_star $io_sign_star $io_sign_star ")"
}

io_log_warn() {
	io_print "$(f_fg_yellow " $io_sign_x ")" "$@" >&2
}

io_status_fatal() {
	die "$(io_print "$(f_fg_red " $io_sign_x ")" "$@")
" >&2
}

io_status_logger() {
	if (( $1 == 0 )); then
		io_log_ok "$2" 1
	else
		io_status_fatal "$3" 1
	fi
}

io_prompt() {
	local question="$1"
	local default_suggestion="$2"
	if [[ -n $default_suggestion ]]; then
		question="${question} [$default_suggestion]"
	fi
	# use -p instead of sending the question to stdout, as this function will probably be 
	# called in a $(subshell), so printing to stdout won't work as expected
	read -r -p "$(printf "$(f_fg_yellow " $io_sign_arrow ")%s " "$question")" answer
	echo "${answer:-$default_suggestion}"
}

io_prompt_pass() {
	local question="$1"
	# use -p instead of sending the question to stdout, as this function will probably be 
	# called in a $(subshell), so printing to stdout won't work as expected
	read -r -s -p "$(printf "$(f_fg_yellow " $io_sign_arrow ")%s " "$question")" answer
	echo "$answer"
}

io_confirm() {
	local question="$1"
	local exit_message="$2";
	local answer
	answer=$(io_prompt "$question (y/n)")
	if [[ $answer != "y" ]]; then
		io_status_fatal "$exit_message" 1
	fi
}

io_print() {
	local margin="$1"
	local body="$2"
	local indent_level=$3
	local end_margin="$4"
	local n
	local indent=""
	if [[ $indent_level =~ [123] ]]; then
		for (( n=indent_level; n > 0; n-- )); do
			indent="   $indent"
		done
	fi
	echo "$indent$margin$body$end_margin"
}