$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-ICal.git /var/lib/mock/f45-build-22831-594/root/chroot_tmpdir/scmroot/perl-Data-ICal
Cloning into '/var/lib/mock/f45-build-22831-594/root/chroot_tmpdir/scmroot/perl-Data-ICal'...
$ git fetch origin 5e721642b83d35330cbe57f8c1f38440e69a591e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-ICal
 * [new ref]         5e721642b83d35330cbe57f8c1f38440e69a591e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e72164 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild