init.bash

#!/bin/bash

if [[ ${KSH_VERSION+${!KSH_VERSION}} == .sh.version ]]; then
	typeset -n FUNCNAME=.sh.fun

	if builtin pids 2>/dev/null; then
		function BASHPID.get { .sh.value=$(pids -f '%(pid)d'); }
	elif [[ -r /proc/self/stat ]]; then
		function BASHPID.get { read -r .sh.value _ </proc/self/stat; }
	else
		function BASHPID.get { .sh.value=$(exec sh -c 'echo $PPID'); }
	fi
else
	shopt -s extglob lastpipe
fi

function libinit {
	unset -f "${FUNCNAME[0]}"
	{ alias libinit=$(</dev/fd/3); } 3<<-\EOF
	\shopt -s extglob lastpipe expand_aliases
	\shopt -u assoc_expand_once
	\set +m
	\source -- "${rootPath%+(/)}/aliases"
	setupGlobalAliases
EOF

	typeset uid euid
	if
		[[
			$UID != +([[:digit:]]) ||
			"UID != (uid = $(id -ur))" -ne 0 ||
			$EUID != +([[:digit:]]) ||
			"EUID != (euid = $(id -u))" -ne 0
		]]
	then
		typeset -a args
		shopt -q login_shell && args+=(--login)
		shopt -qo posix && args+=(--posix)
		shopt -qo xtrace && args+=(-x)
		[[ $- == *i* ]] && args+=(-i)
		args+=(-s)
		typeset x
		x=${BASHPID:-$$} x=$(readlink -sne "/proc/${x}/exe") || x=/bin/bash
		exec -- "$(type -P env)" -- "UID=${uid}" "EUID=${euid}" "$x" "${args[@]}" -- "$@"
	fi

	if rootPath=$(dirname "$(readlink -sne -- "${BASH_SOURCE[0]:-$0}")") &&
		dotFilesPath=$(readlink -sne -- "${rootPath}/../../..") &&
		fsRoot=$(readlink -sne -- "${dotFilesPath}/..") &&
		[[ -d $rootPath && -d $dotFilesPath && -d $fsRoot ]]
	then
		export rootPath dotFilesPath fsRoot
	else
		echo 'Failed to locate relative library paths.' >&2
		return 1
	fi
}

libinit
libinit

# vim: set ft=bash fenc=utf-8 ff=unix ts=4 noet :