$ git clone -n https://src.fedoraproject.org/rpms/libXpm.git /var/lib/mock/f45-build-15785-479/root/chroot_tmpdir/scmroot/libXpm
Cloning into '/var/lib/mock/f45-build-15785-479/root/chroot_tmpdir/scmroot/libXpm'...
$ git fetch origin 3a020942bdc7acc7d0bf0612b7e982413c790a9b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libXpm
 * [new ref]         3a020942bdc7acc7d0bf0612b7e982413c790a9b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a02094 opt-in to packit for rawhide