Add actual commands to update the env-shared project.

setup.sh

@@ -105,7 +105,11 @@ if [[ ! -d "$env_shared_dir" ]]; then
 	cp -v "$env_shared_dir"/bin-shared/* ~/bin/
 else
 	echo -e "`date` - Already installed, updating."
-	update-shared
+	git -C "$env_shared_dir" switch "$branch"
+	git -C "$env_shared_dir" pull --recurse-submodules || \
+			( echo "Failed to pull project, exiting." && return 1 )
+   cp -v "$env_shared_dir"/rc_shared.sh ~/.rc_shared
+	cp -v "$env_shared_dir"/vimrc.vim ~/.vimrc
 fi