$ git clone -n https://src.fedoraproject.org/rpms/perl-CatalystX-SimpleLogin.git /var/lib/mock/f45-build-22259-590/root/chroot_tmpdir/scmroot/perl-CatalystX-SimpleLogin
Cloning into '/var/lib/mock/f45-build-22259-590/root/chroot_tmpdir/scmroot/perl-CatalystX-SimpleLogin'...
$ git fetch origin 1d7e608f1b38676cbf82600372c1cd6215e163e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CatalystX-SimpleLogin
 * [new ref]         1d7e608f1b38676cbf82600372c1cd6215e163e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d7e608 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild