Keep sudo alive during updates and repo migration

bin/blob-repo-migrate

@@ -103,7 +103,7 @@ echo
 read -rp "Apply all of the above? [y/N] " answer
 [[ $answer == [yY] ]] || exit 0
 
-blob-sudo-keepalive
+source blob-sudo-keepalive
 
 for pair in "${substitutions[@]}"; do
   from=${pair%%:*}

bin/blob-update

@@ -212,7 +212,7 @@ fi
 show_pending
 confirm_update
 
-blob-sudo-keepalive
+source blob-sudo-keepalive
 
 begin_step "Refreshing the keyring"
 sudo pacman -Sy --needed --noconfirm archlinux-keyring