$ git clone -n https://src.fedoraproject.org/rpms/lief.git /var/lib/mock/f45-build-17315-498/root/chroot_tmpdir/scmroot/lief
Cloning into '/var/lib/mock/f45-build-17315-498/root/chroot_tmpdir/scmroot/lief'...
$ git fetch origin ab92c788d4ac078945ccef61f488f8edf64f13e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lief
 * [new ref]         ab92c788d4ac078945ccef61f488f8edf64f13e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab92c78 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild