diff -ruN portage-prefix-2.1.14.orig/bin/ebuild.sh portage-prefix-2.1.14/bin/ebuild.sh
--- portage-prefix-2.1.14.orig/bin/ebuild.sh	2006-07-13 11:09:51.000000000 +0200
+++ portage-prefix-2.1.14/bin/ebuild.sh	2006-07-13 11:09:51.000000000 +0200
@@ -815,14 +815,14 @@
 }
 
 dyn_setup() {
-	[ "$(type -t pre_pkg_setup)" == "function" ] && pre_pkg_setup
-	pkg_setup
-	[ "$(type -t post_pkg_setup)" == "function" ] && post_pkg_setup
+	[ "$(type -t pre_pkg_setup)" == "function" ] && call-interactive pre_pkg_setup
+	call-interactive pkg_setup
+	[ "$(type -t post_pkg_setup)" == "function" ] && call-interactive post_pkg_setup
 }
 
 dyn_unpack() {
 	trap "abort_unpack" SIGINT SIGQUIT
-	[ "$(type -t pre_src_unpack)" == "function" ] && pre_src_unpack
+	[ "$(type -t pre_src_unpack)" == "function" ] && call-interactive pre_src_unpack
 	local newstuff="no"
 	if [ -e "${WORKDIR}" ]; then
 		local x
@@ -849,7 +849,7 @@
 	if [ -e "${WORKDIR}" ]; then
 		if [ "$newstuff" == "no" ]; then
 			echo ">>> WORKDIR is up-to-date, keeping..."
-			[ "$(type -t post_src_unpack)" == "function" ] && post_src_unpack
+			[ "$(type -t post_src_unpack)" == "function" ] && call-interactive post_src_unpack
 			return 0
 		fi
 	fi
@@ -859,12 +859,12 @@
 	fi
 	cd "${WORKDIR}" || die "Directory change failed: \`cd '${WORKDIR}'\`"
 	echo ">>> Unpacking source..."
-	src_unpack
+	call-interactive src_unpack
 	touch "${PORTAGE_BUILDDIR}/.unpacked" || die "IO Failure -- Failed 'touch .unpacked' in ${PORTAGE_BUILDDIR}"
 	echo ">>> Source unpacked."
 	cd "${PORTAGE_BUILDDIR}"
 
-	[ "$(type -t post_src_unpack)" == "function" ] && post_src_unpack
+	[ "$(type -t post_src_unpack)" == "function" ] && call-interactive post_src_unpack
 
 	trap SIGINT SIGQUIT
 }
@@ -1029,7 +1029,7 @@
 dyn_compile() {
 	trap "abort_compile" SIGINT SIGQUIT
 
-	[ "$(type -t pre_src_compile)" == "function" ] && pre_src_compile
+	[ "$(type -t pre_src_compile)" == "function" ] && call-interactive pre_src_compile
 
 	[ "${CFLAGS-unset}"      != "unset" ] && export CFLAGS
 	[ "${CXXFLAGS-unset}"    != "unset" ] && export CXXFLAGS
@@ -1071,7 +1071,7 @@
 		echo ">>> It appears that ${PN} is already compiled; skipping."
 		echo ">>> (clean to force compilation)"
 		trap SIGINT SIGQUIT
-		[ "$(type -t post_src_compile)" == "function" ] && post_src_compile
+		[ "$(type -t post_src_compile)" == "function" ] && call-interactive post_src_compile
 		return
 	fi
 	if [ -d "${S}" ]; then
@@ -1085,7 +1085,7 @@
 	#our libtool to create problematic .la files
 	export PWORKDIR="$WORKDIR"
 	echo ">>> Compiling source in ${srcdir} ..."
-	src_compile
+	call-interactive src_compile
 	echo ">>> Source compiled."
 	#|| abort_compile "fail"
 	cd "${PORTAGE_BUILDDIR}"
@@ -1113,16 +1113,16 @@
 		touch DEBUGBUILD
 	fi
 
-	[ "$(type -t post_src_compile)" == "function" ] && post_src_compile
+	[ "$(type -t post_src_compile)" == "function" ] && call-interactive post_src_compile
 
 	trap SIGINT SIGQUIT
 }
 
 dyn_test() {
-	[ "$(type -t pre_src_test)" == "function" ] && pre_src_test
+	[ "$(type -t pre_src_test)" == "function" ] && call-interactive pre_src_test
 	if [ "${PORTAGE_BUILDDIR}/.tested" -nt "${WORKDIR}" ]; then
 		echo ">>> It appears that ${PN} has already been tested; skipping."
-		[ "$(type -t post_src_test)" == "function" ] && post_src_test
+		[ "$(type -t post_src_test)" == "function" ] && call-interactive post_src_test
 		return
 	fi
 	trap "abort_test" SIGINT SIGQUIT
@@ -1135,19 +1135,19 @@
 	elif ! hasq test $FEATURES; then
 		echo ">>> Test phase [not enabled]: ${CATEGORY}/${PF}"
 	else
-		src_test
+		call-interactive src_test
 	fi
 
 	cd "${PORTAGE_BUILDDIR}"
 	touch .tested || die "Failed to 'touch .tested' in ${PORTAGE_BUILDDIR}"
-	[ "$(type -t post_src_test)" == "function" ] && post_src_test
+	[ "$(type -t post_src_test)" == "function" ] && call-interactive post_src_test
 	trap SIGINT SIGQUIT
 }
 
 dyn_install() {
 	[ -z "$PORTAGE_BUILDDIR" ] && die "${FUNCNAME}: PORTAGE_BUILDDIR is unset"
 	trap "abort_install" SIGINT SIGQUIT
-	[ "$(type -t pre_src_install)" == "function" ] && pre_src_install
+	[ "$(type -t pre_src_install)" == "function" ] && call-interactive pre_src_install
 	rm -rf "${PORTAGE_BUILDDIR}/image"
 	mkdir "${PORTAGE_BUILDDIR}/image"
 	if [ -d "${S}" ]; then
@@ -1161,12 +1161,12 @@
 	#some packages uses an alternative to $S to build in, cause
 	#our libtool to create problematic .la files
 	export PWORKDIR="$WORKDIR"
-	src_install
+	call-interactive src_install
 	touch "${PORTAGE_BUILDDIR}/.installed"
 	echo ">>> Completed installing ${PF} into ${D}"
 	echo
 	cd ${PORTAGE_BUILDDIR}
-	[ "$(type -t post_src_install)" == "function" ] && post_src_install
+	[ "$(type -t post_src_install)" == "function" ] && call-interactive post_src_install
 	trap SIGINT SIGQUIT
 }
 
@@ -1176,12 +1176,29 @@
 		return 1
 	fi
 
-	[ "$(type -t pre_pkg_preinst)" == "function" ] && pre_pkg_preinst
+	[ "$(type -t pre_pkg_preinst)" == "function" ] && call-interactive pre_pkg_preinst
 
 	declare -r D=${IMAGE}
-	pkg_preinst
+	call-interactive pkg_preinst
 
-	[ "$(type -t post_pkg_preinst)" == "function" ] && post_pkg_preinst
+	[ "$(type -t post_pkg_preinst)" == "function" ] && call-interactive post_pkg_preinst
+}
+
+call-interactive() {
+	if ! hasq interactive ${FEATURES}; then
+		$1
+		return $?
+	fi
+
+	(	echo 'unset ENV'
+		set
+		export -p
+		shopt -p
+		echo "export PS1='INTERACTIVE ${PN} $1 \$ '" 
+		echo 'unset ENV'
+	) >> ${T}/interactive-environment
+	export PS1="INTERACTIVE ${PN} $1 \$ "
+	${BASH} --rcfile ${T}/interactive-environment -s || die
 }
 
 dyn_help() {
@@ -1662,21 +1679,21 @@
 for myarg in $*; do
 	case $myarg in
 	nofetch)
-		pkg_nofetch
+		call-interactive pkg_nofetch
 		exit 1
 		;;
 	prerm|postrm|postinst|config)
 		export SANDBOX_ON="0"
 		if [ "$PORTAGE_DEBUG" != "1" ]; then
-			[ "$(type -t pre_pkg_${myarg})" == "function" ] && pre_pkg_${myarg}
-			pkg_${myarg}
-			[ "$(type -t post_pkg_${myarg})" == "function" ] && post_pkg_${myarg}
+			[ "$(type -t pre_pkg_${myarg})" == "function" ] && call-interactive pre_pkg_${myarg}
+			call-interactive pkg_${myarg}
+			[ "$(type -t post_pkg_${myarg})" == "function" ] && call-interactive post_pkg_${myarg}
 			#Allow non-zero return codes since they can be caused by &&
 		else
 			set -x
-			[ "$(type -t pre_pkg_${myarg})" == "function" ] && pre_pkg_${myarg}
-			pkg_${myarg}
-			[ "$(type -t post_pkg_${myarg})" == "function" ] && post_pkg_${myarg}
+			[ "$(type -t pre_pkg_${myarg})" == "function" ] && call-interactive pre_pkg_${myarg}
+			call-interactive pkg_${myarg}
+			[ "$(type -t post_pkg_${myarg})" == "function" ] && call-interactive post_pkg_${myarg}
 			#Allow non-zero return codes since they can be caused by &&
 			set +x
 		fi