$ git clone -n https://src.fedoraproject.org/rpms/hercstudio.git /var/lib/mock/f45-build-13377-450/root/chroot_tmpdir/scmroot/hercstudio
Cloning into '/var/lib/mock/f45-build-13377-450/root/chroot_tmpdir/scmroot/hercstudio'...
$ git fetch origin 34114ffab600fb49e76c82d9edaaa05b0ccde2e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hercstudio
 * [new ref]         34114ffab600fb49e76c82d9edaaa05b0ccde2e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34114ff Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild