Problem Booting Archlinux on a MacBook Pro Retina

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https://bbs.archlinux.org – Hi,Following https://wiki.archlinux.org/index.php/UEFI_Bootloaders and https://wiki.archlinux.org/index.php/MacBookPro_Retina, I'm trying to setup boot with refind on a macbook pro retina.To best honest, after some hours reading the docs, I can't understand how to install refind.Well, I used the pacman -S refind-efi, copy the file like it is said below, but I can't understand how to install efi. Some docs talk about an install.sh script but I can't find it.So in the doc, it is said that refind will automatically detect kernel but nothing happens.So which filesystem I must u (HowTos)