$ git clone -n https://src.fedoraproject.org/rpms/pypolicyd-spf.git /var/lib/mock/f42-build-side-1-3585966-46912/root/chroot_tmpdir/scmroot/pypolicyd-spf
Cloning into '/var/lib/mock/f42-build-side-1-3585966-46912/root/chroot_tmpdir/scmroot/pypolicyd-spf'...
$ git fetch origin 38029af7863bc6cb719dadbff697d17388337fa3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pypolicyd-spf
 * [new ref]         38029af7863bc6cb719dadbff697d17388337fa3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38029af Create users using compatibility macros on older Fedoras and RHEL