install

#!/bin/sh

set -u

set_completion() {
module="_sigchk_module()
{
	local cur prev OPTS
	COMPREPLY=()
	cur=\"\${COMP_WORDS[COMP_CWORD]}\"
	prev=\"\${COMP_WORDS[COMP_CWORD-1]}\"
	case \$prev in
		'-h'|'--help'|'--version')
			return 0
			;;
	esac
	case \$cur in
		-*)
			OPTS=\"
				--fingerprint
				--timestamp
				--strict
				--ignore-missing
				--no-exceptions
				--no-cert-exceptions
				--no-local
				--colour
				--help
				--version
				--quiet
			\"
			COMPREPLY=( \$(compgen -W \"\${OPTS[*]}\" -- \$cur) )
			return 0
			;;
	esac
	_filedir '@(7[zZ]|[aA][vV][iI]|[bB][iI][nN]|[eE][xX][eE]|[gG][zZ]|[jJ][pP][gG]|[jJ][pP][eE][gG]|[mM][kK][vV]|[mM][pP]4|[pP][dD][fF]|[pP][nN][gG]|[rR][aA][rR]|[zZ][iI][pP])'
	return 0
}
complete -F _sigchk_module sigchk"
if [ -d "${bash_dir}" ]; then
	echo "${module}" > "${1}"
	if [ -s "${1}" ]; then
		return 0
	else
		return 1
	fi
else
	return 1
fi
}

main() {
target="${0%"/"*}/"
if ! [ -d "${target:-""}" ]; then
	target=""
fi
target="${target}sigchk"
if ! [ -e "${target}" ]; then
	echo "${0##*"/"}: sigchk: Is not found" 1>&2
	exit 1
fi
case "${UID:-"1000"}" in
	0)
		echo "${0##*"/"}: access level: root" 1>&2
		app_dir="/usr/local/bin"
		if [ -e "/etc/bash_completion" ]; then
			bash_dir="/usr/share/bash-completion/completions"
		fi
	;;
	*)
		echo "${0##*"/"}: access level: user" 1>&2
		app_dir="${HOME:-"/home/${USER}"}/.local/bin"
		if ! [ -d "${app_dir}" ]; then
			if ! mkdir -p -- "${app_dir}" 2>/dev/null; then
				echo "${0##*"/"}: sigchk: FAILED" 1>&2
				code=1
				return 1
			fi			
		fi
		if [ -e "/etc/bash_completion" ]; then
			bash_dir="${HOME:-"/home/${USER}"}/.local/share/bash-completion/completions"
			if ! [ -d "${bash_dir}" ]; then
				if ! mkdir -p -- "${bash_dir}" 2>/dev/null; then
					echo "${0##*"/"}: bash-completion: FAILED" 1>&2
					code=1
					return 1
				fi	
			fi
		fi
	;;
esac
if [ -n "${bash_dir:-""}" ]; then
	if [ "${target}" -nt "${bash_dir}/sigchk" ]; then
		if set_completion "${bash_dir}/sigchk"; then
			echo "${0##*"/"}: bash-completion: OK" 1>&2
		else
			echo "${0##*"/"}: bash-completion: FAILED" 1>&2
			code=1
			return 1
		fi
	elif ! [ -e "${bash_dir}/sigchk" ]; then
		if set_completion "${bash_dir}/sigchk"; then
			echo "${0##*"/"}: bash-completion: OK" 1>&2
		else
			echo "${0##*"/"}: bash-completion: FAILED" 1>&2
			code=1
			return 1
		fi
	else
		echo "${0##*"/"}: bash-completion: Is already installed" 1>&2
	fi
fi		
if [ -n "${app_dir:-""}" ]; then
	if [ "${target}" -nt "${app_dir}/sigchk" ]; then
		:
	elif ! [ -e "${app_dir}/sigchk" ]; then
		:
	else
		echo "${0##*"/"}: sigchk: Is already installed" 1>&2
		return 0
	fi
	if [ -f "${target}" ]; then
		if cp -- "${target}" "${app_dir}/sigchk" 2>/dev/null; then
			if ! chmod +x -- "${app_dir}/sigchk" 2>/dev/null; then
				code=1
				return 1
			fi
		else
			code=1
			return 1
		fi
	else
		echo "${0##*"/"}: sigchk: Is not found" 1>&2
		code=1
		return 1
	fi
fi
case "${code:-"0"}" in
	0)
		echo "${0##*"/"}: sigchk: OK"
	;;
	*)
		echo "${0##*"/"}: sigchk: FAILED"
	;;
esac
}

main
exit "${code:-"0"}"