$ git clone -n https://src.fedoraproject.org/rpms/epstool.git /var/lib/mock/f45-build-8210-378/root/chroot_tmpdir/scmroot/epstool
Cloning into '/var/lib/mock/f45-build-8210-378/root/chroot_tmpdir/scmroot/epstool'...
$ git fetch origin a3b98d555f1b14ce5e1baa5fef68c1d71c944f06:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/epstool
 * [new ref]         a3b98d555f1b14ce5e1baa5fef68c1d71c944f06 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3b98d5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild