$ git clone -n https://src.fedoraproject.org/rpms/fatrace.git /var/lib/mock/f45-build-8688-394/root/chroot_tmpdir/scmroot/fatrace
Cloning into '/var/lib/mock/f45-build-8688-394/root/chroot_tmpdir/scmroot/fatrace'...
$ git fetch origin b387af272433a5d5aa2fa3aa847a3da2c05a6b17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fatrace
 * [new ref]         b387af272433a5d5aa2fa3aa847a3da2c05a6b17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b387af2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild