+# does a careful update on all the folders in the specified list;
+# it looks in the REPOSITORY_LIST for those names and updates them.
+# this is just like checkout_list, but it's for the puffing up action
+# we need to do on git.
+function puff_out_list()
+{
+ # make the list of directories unique.
+ local list="$(uniquify $*)"
+
+ # turn repo list back into an array.
+ eval "repository_list=( ${REPOSITORY_LIST[*]} )"
+
+ local outer inner
+
+#hmmm: once again, seeing some reusable code in this loop...
+ for outer in "${repository_list[@]}"; do
+ # check the repository first, since it might be an absolute path.
+ if [[ $outer =~ /.* ]]; then
+ # yep, this path is absolute. just handle it directly.
+ if [ ! -d "$outer" ]; then continue; fi
+ do_revctrl_careful_update "$outer"
+ exit_on_error "running puff-out (absolute) on path: $outer"
+ else
+ for inner in $list; do
+ # add in the directory component to see if we can find the folder.
+ local path="$inner/$outer"
+ if [ ! -d "$path" ]; then continue; fi
+ do_revctrl_careful_update "$path"
+ exit_on_error "running puff-out (relative) on path: $path"
+ done
+ fi
+ done