#!/bin/bash

. pbs-plumb-shlib

##
# Usage: list FILE
# stdout: A newline-separated list of settings in FILE
##
list() {
	[[ $# != 1 ]] && { usage; return 1; }
	local file=$1
	git config --file "$file" -z --list | awk -vRS='\0' -vFS='\n' '{ print $1 }' &&	return $PIPESTATUS
}

##
# Usage: get FILE SETTING
# stdout: The raw value of SETTING in FILE; *not* terminated by a newline
##
get() {
	[[ $# != 2 ]] && { usage; return 1; }
	local file=$1
	local setting=$2
	git config --file "$file" -z --get "$setting"
}

usage() {
	echo "Usage: ${0##*/} COMMAND [-h] [COMMAND-ARGUMENTS]"
	echo 'Work with `/etc/libretools.d/pbs-convert.conf`.'
	echo
	echo "Commands:"
	echo "  list          List the variables set in the file"
	echo "  get VARNAME   Get the value of VARNAME"
	echo
	echo 'Options:'
	echo '  -h            Show this message'
}

main() {
	in_array '-h' "$@" && { usage; return 0; }
	[[ $# < 1 ]] && { usage >&2; return 1; }

	local cmd=$1
	shift

	local file="/etc/libretools.d/pbs-convert.conf"
	case "$cmd" in
		list)
			list "$file" "$@"
			return $?;;
		get)
			get "$file" "$@"
			return $?;;
		*)
			usage >&2
			return 1;;
	esac
}

main "$@"