Improved bin/sde-update-tree to say something when package's git clone succeeded

bin/sde-update-tree

@@ -69,7 +69,10 @@ for x in . package $( ls -1d package/* target/* 2> /dev/null ); do
 		case "$x" in
 			package)
 				echo "$tree/$x:"
-				git clone --quiet "$GITSERVER/opensde/$x-nopast.git" "$x" 2>&1 | indent_output
+				( git clone --quiet \
+					"$GITSERVER/opensde/$x-nopast.git" "$x" 2>&1 &&
+					echo "$x: cloned successfully"
+				) | indent_output
 				;;
 			*)
 				echo "$tree/$x: missing" >&2