Installation was fine but grub failed. Booted back into the live system to check the boot partition, inside EFI folder there is antergos_grub, BOOT, and Microsoft. The last 2 has folders inside them but both are empty. Here’s how my partition scheme looks like:
How do I fix this? I also followed the guide
Install dual boot MacOS X & Antergos on a MacBookPro 9,1 (Mid 2012) and even installed rEFInd but still doesn’t show up.