update build archlinux client (select mirror)

.gitlab-ci.yml

@@ -448,7 +448,12 @@ Linux client archlinux build:
   image: base/archlinux
   script:
     # Prepare environment
-    - pacman -Suy --noconfirm
+    - cp /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.backup
+    - curl -o /etc/pacman.d/mirrorlist.new https://www.archlinux.org/mirrorlist/all/
+    - sed -i 's/^#Server/Server/' /etc/pacman.d/mirrorlist.new
+    - rankmirrors -n 6 /etc/pacman.d/mirrorlist.new  > /etc/pacman.d/mirrorlist
+    - pacman -Syyu
+    - pacman -S --noconfirm
                             autoconf
                             autogen
                             automake