$ git clone -n https://src.fedoraproject.org/rpms/pymol.git /var/lib/mock/f45-build-53658-928/root/chroot_tmpdir/scmroot/pymol
Cloning into '/var/lib/mock/f45-build-53658-928/root/chroot_tmpdir/scmroot/pymol'...
$ git fetch origin 04c5c057aa15801b75ebba9a297258c331f5dc29:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pymol
 * [new ref]         04c5c057aa15801b75ebba9a297258c331f5dc29 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04c5c05 Rebuilt for libxml-2.5.4