$ git clone -n https://src.fedoraproject.org/rpms/perl-Kwiki-Attachments.git /var/lib/mock/f45-build-24301-603/root/chroot_tmpdir/scmroot/perl-Kwiki-Attachments
Cloning into '/var/lib/mock/f45-build-24301-603/root/chroot_tmpdir/scmroot/perl-Kwiki-Attachments'...
$ git fetch origin 33abff641d974df87ef0bf9033b18d2a70525d45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Kwiki-Attachments
 * [new ref]         33abff641d974df87ef0bf9033b18d2a70525d45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 33abff6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild