From Fedora Project Wiki

mock-1.2.18 has several bugfixes:

And several changes:

  • Unconditionally setup resolver config
  • use DNF for F24 chroot
  • requires rpm-python
  • Escape the escape sequences in PROMPT_COMMAND, improve prompt
  • Use root name instead config name for backups dir
  • Add MIPS personalities
  • scm plugin handle better submodules

And there are two new groups of configs. There are new Mageia configs:

  • mageia-cauldron-armv5tl
  • mageia-cauldron-armv7hl
  • mageia-cauldron-i586
  • mageia-cauldron-x86_64
  • mageia-6-armv5tl
  • mageia-6-armv7hl
  • mageia-6-i586
  • mageia-6-x86_64

And there are new custom configs:

  • custom-1-aarch64
  • custom-1-armhfp
  • custom-1-i386
  • custom-1-ppc64
  • custom-1-ppc64le
  • custom-1-s390
  • custom-1-s390x
  • custom-1-x86_64

Those configs does not have any repository configured and base is empty. I.e:

   config_opts['chroot_setup_cmd'] = ""

This is useful if you want to prepare the chroot yourself. Or when you use it with mockchain with --addrepo=REPOS option. This was added on request of Koschei, which will use it.