#!/bin/bash
# Written by vapier@gentoo.org
# public-domain code ... z0r ...
# $Header: /var/cvsroot/gentoo-x86/app-shells/sandboxshell/files/sandboxshell.conf,v 1.8 2006/08/06 18:50:48 vapier Exp $

trap ":" INT QUIT TSTP

source /etc/profile

# do ebuild environment loading ... detect if we're in portage
# build area or not ... uNF uNF uNF
#sbs_pdir=$(portageq envvar PORTAGE_TMPDIR)/portage/ #portageq takes too long imo
if [[ -z ${PORTAGE_TMPDIR} ]] ; then
	sbs_gpdir=$( source /etc/make.globals && echo $PORTAGE_TMPDIR 2> /dev/null)
	sbs_cpdir=$( source /etc/make.conf && echo $PORTAGE_TMPDIR 2> /dev/null)
	[[ -z ${sbs_cpdir} ]] \
		&& sbs_pdir=${sbs_gpdir} \
		|| sbs_pdir=${sbs_cpdir}
else
	sbs_pdir=${PORTAGE_TMPDIR}
fi
[[ -z ${sbs_pdir} ]] && sbs_pdir=/var/tmp
sbs_pdir=${sbs_pdir}/portage/

if [[ ${PWD:0:${#sbs_pdir}} == "${sbs_pdir}" ]] ; then
	sbs_bdir=$(echo ${PWD:${#sbs_pdir}} | cut -d/ -f1)
	sbs_tmpenvfile=${sbs_pdir}${sbs_bdir}/temp/environment
	if [[ -e ${sbs_tmpenvfile} ]] ; then
		echo "Found environment at ${sbs_tmpenvfile}"
		printf " * Would you like to enter the portage environment ? "
		read env
		sbs_PREPWD=${PWD}
		if [[ ${env} == "y" ]] ; then
			# First try to source variables and export them ...
			eval "$(sed -e '/^[[:alnum:]_-]*=/s:^:export :' -e '/^[[:alnum:]_-]* ()/Q' "${sbs_tmpenvfile}")" 2>/dev/null
			# Then grab everything (including functions)
			source "${sbs_tmpenvfile}" 2> /dev/null
			export SANDBOX_WRITE=${SANDBOX_WRITE}:${sbs_pdir}${sbs_bdir}:${sbs_pdir}/homedir
		fi
		PWD=${sbs_PREPWD}
	fi
fi

unset sbs_gpdir sbs_cpdir sbs_pdir sbs_bdir sbs_tmpenvfile sbs_PREPWD env

cd "${PWD}"
export PS1="[s]${PS1}"

adddeny()    { export SANDBOX_DENY=${SANDBOX_DENY}:$1 ; }
addpredict() { export SANDBOX_PREDICT=${SANDBOX_PREDICT}:$1 ; }
addread()    { export SANDBOX_READ=${SANDBOX_READ}:$1 ; }
addwrite()   { export SANDBOX_WRITE=${SANDBOX_WRITE}:$1 ; }
sandboxon()  { export SANDBOX_ON="1" ; }
sandboxoff() { export SANDBOX_OFF="0" ; }

[[ -z ${CCACHE_DIR} ]] && export CCACHE_DIR=/root/.ccache
for var in CCACHE_DIR DISTCC_DIR ; do
	[[ ${!var+set} == "set" ]] && addwrite ${!var}
done
unset var