Update ci to use update-packages, fix update-packages by using fetch

ci.sh

@@ -2,6 +2,5 @@
 
 set -e
 
-./all.sh distclean
-./all.sh dist
+./update-packages.sh
 ./all.sh publish

update-packages.sh

@@ -17,7 +17,7 @@ do
         ./cook.sh $recipe dist
     else
         oldver=$(./cook.sh $recipe gitversion)
-        ./cook.sh $recipe update
+        ./cook.sh $recipe fetch
         newver=$(./cook.sh $recipe gitversion)
         if [ "$oldver" = "$newver" ]
         then