$ git clone -n https://src.fedoraproject.org/rpms/elixir.git /var/lib/mock/f41-build-841813-161406/root/chroot_tmpdir/scmroot/elixir
Cloning into '/var/lib/mock/f41-build-841813-161406/root/chroot_tmpdir/scmroot/elixir'...
$ git fetch origin 06676342a75b5e2608f6208eff8e33045ff9cf21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/elixir
 * [new ref]         06676342a75b5e2608f6208eff8e33045ff9cf21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0667634 Elixir ver. 1.17.2