/etc/profile

profile.bash

#!/bin/true
# /etc/profile

if ${BASH_VERSION+\:} \false; then
	[[ -o xtrace && -t /dev/fd/2 ]] && exec {BASH_XTRACEFD}>&2
	\shopt -u assoc_expand_once xpg_echo localvar_unset
	\shopt -s extglob lastpipe globstar expand_aliases hostcomplete histappend checkwinsize cmdhist interactive_comments lithist no_empty_cmd_completion
	# Wrapper to undefine a visible local variable, even in the current stack frame. Bash-only
	function unset2 { command -- unset "$@"; }
	(( BASH_VERSINFO[0] <= 5 && BASH_VERSINFO[1] <=2 )) && typeset -gx BASH_COMPAT=51
else
	\alias unset2=unset
fi

${ZSH_VERSION+\:} \false && \emulate ksh
${aliasrestore+\:} \false && \unset -v aliasrestore

case $(\readlink -qne /dev/fd/3) in
	dash|*/dash)
		\unalias -a
		alias \
			shitshell=true \
			typeset=local \
			source='command .' \
			function='unalias eprofile; ' \
			eprofile='eprofile ()'
		;;
	*)
		\exec 3<&-
		aliasrestore=$(\alias -p) aliasrestore+=${aliasrestore:+$'\n\\'unset -v aliasrestore}
		\unalias -a
		alias shitshell=' '
esac 3</proc/self/exe

case $KSH_VERSION in Version*|*PD\ KSH*|*MIRBSD*) alias -- {local,declare}=typeset; esac
case $(command -v let) in let) ;; *) let () while ${2+\:} return "$((! ( ${1:-0} )))"; do command shift; done; esac

function eprofile {
	unset -f eprofile

	if [ -t 0 ]; then
		stty stop undef
		stty -ixon -ctlecho iutf8
	fi

	set +H -bo vi
	umask 0027
	typeset x 
	export EDITOR PAGER
	x=$(command -v nvimpager)
	: "${EDITOR:=/bin/vi}" "${PAGER:=${x:-/usr/bin/less}}"
	unset -v x

	command . /etc/profile.env 2>&3
	unset2 -v ROOTPATH

	for x in /etc/profile.d/*.sh; do
		[ -r "$x" ] || continue
		command . "$x" 2>&3
	done

	if ${BASH_VERSION:+\:} false; then
		: "${PS1:='\u@\h \w \$ '}"
	else
		PS1="${USER:-$(logname)}@$(uname -n) \$ "
	fi
} 3>/dev/null

eprofile "$@"
shitshell eval ${BASH_VERSION+'--'} ${aliasrestore+"$aliasrestore"}
shitshell \unalias \shitshell

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