[refactor][arch] backup mirrorlist first

Author: jcchikikomori

arch/init.sh

@@ -4,6 +4,10 @@
 # Source: https://gist.github.com/bouroo/b750d3fa357362772082407cfa21fb4a
 # Fork: https://gist.github.com/jcchikikomori/0984ae8111496ea7544b6452adbbe180
 
+# Backup mirrorlist
+cp -f /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.backup
+# Install essential packages
+pacman -Syy --noconfirm --noprogressbar sudo gvim nano htop iftop mtr dkms lz4 bash-completion base-devel pacman-contrib git zsh unzip
 # Init pacman mirror
 curl -s -L "https://archlinux.org/mirrorlist/?country=CN&country=JP&country=SG&country=KR&protocol=https&ip_version=4&use_mirror_status=on" | sed -e 's/^#Server/Server/' -e '/^#/d' > /etc/pacman.d/mirrorlist
 # Init key
@@ -12,8 +16,5 @@ pacman-key --init
 pacman-key --populate archlinux
 # Sync repo
 pacman -Syyu --noconfirm --noprogressbar
-# Install essential packages
-pacman -S --noconfirm --noprogressbar sudo gvim nano htop iftop mtr dkms lz4 bash-completion base-devel pacman-contrib git zsh unzip
-# Sort repo by speed
-cp -f /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.backup
+# Sort repo by speed (pacman-contrib package required)
 rankmirrors -n 5 /etc/pacman.d/mirrorlist.backup > /etc/pacman.d/mirrorlist