nb-update test NB_ROOT

diff --git a/bin/nb-install b/bin/nb-install
index 4b06c7f708085a5191f98187751859f29b7efebd..d60e5b24cd2ed7d2a9e89f4b122f7abd09992375 100755 (executable)
--- a/bin/nb-install
+++ b/bin/nb-install
@@ -5,6 +5,7 @@
 #
 ##############################################################################
 . "${BASH_SOURCE%/*}/../etc/profile" || exit
+[ -z "$NB_ROOT" ] && exit
 declare -r NAME="$(basename "${0}")"
 declare TMP=/tmp/$NAME.$$
 declare INSTALL="rsync --archive --checksum --force"