xbps-src: do not umount if <masterdir>/.xbps_chroot_working is there.

xbps-src/libexec/xbps-src-chroot-helper.sh.in

@@ -60,7 +60,8 @@ mount_chroot_fs()
 				echo 1 > ${XBPS_MASTERDIR}/.${f}_mount_bind_done
 				echo "done."
 			else
-				echo "failed."
+				echo "FAILED!!!!!"
+				exit 1
 			fi
 		else
 			cnt=$(cat ${XBPS_MASTERDIR}/.${f}_mount_bind_done)
@@ -74,6 +75,10 @@ umount_chroot_fs()
 {
 	local fs dir cnt
 
+	if [ -f ${XBPS_MASTERDIR}/.xbps_chroot_working ]; then
+		return 0
+	fi
+
 	for fs in ${REQFS}; do
 		[ ! -f ${XBPS_MASTERDIR}/.${fs}_mount_bind_done ] && continue
 		cnt=$(cat ${XBPS_MASTERDIR}/.${fs}_mount_bind_done)
@@ -88,7 +93,7 @@ umount_chroot_fs()
 				rm -f ${XBPS_MASTERDIR}/.${fs}_mount_bind_done
 				echo "done."
 			else
-				echo "failed."
+				echo "FAILED!!!"
 			fi
 		fi
 		unset fs

xbps-src/shutils/chroot.sh.in

@@ -224,9 +224,7 @@ _mount()
 
 xbps_chroot_handler()
 {
-	local action="$1"
-	local pkg="$2"
-	local norm_builddir="$3"
+	local action="$1" pkg="$2" norm_builddir="$3" rv=0
 	local path="/tools/bin:/usr/local/sbin:/usr/local/bin:/bin:/sbin:/usr/bin:/usr/sbin"
 
 	[ -z "$action" -o -z "$pkg" ] && return 1
@@ -258,18 +256,21 @@ xbps_chroot_handler()
 	    "cd /xbps/xbps-src && make IN_CHROOT=1 install clean" \
 	    2>&1 >/dev/null || return $?
 
+	touch -f ${XBPS_MASTERDIR}/.xbps_chroot_working
+
 	if [ "$action" = "chroot" ]; then
 		env in_chroot=yes IN_CHROOT=1 LANG=C PATH=$path \
-			${chroot_cmd} $XBPS_MASTERDIR /bin/sh || return $?
+			${chroot_cmd} $XBPS_MASTERDIR /bin/sh || rv=$?
 	else
 		[ "$norm_builddir" = "yes" ] && \
 			action="-C $action"
 		env in_chroot=yes LANG=C PATH=$path _ORIGINPKG="$pkg" \
 			${chroot_cmd} $XBPS_MASTERDIR sh -c \
-			"cd /xbps/srcpkgs/$pkg && xbps-src $action" || return $?
+			"cd /xbps/srcpkgs/$pkg && xbps-src $action" || rv=$?
 	fi
 
+	rm -f ${XBPS_MASTERDIR}/.xbps_chroot_working
 	msg_normal "Exiting from the chroot on $XBPS_MASTERDIR."
 
-	return $?
+	return $rv
 }