$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Page-Pageset.git /var/lib/mock/f45-build-22891-594/root/chroot_tmpdir/scmroot/perl-Data-Page-Pageset
Cloning into '/var/lib/mock/f45-build-22891-594/root/chroot_tmpdir/scmroot/perl-Data-Page-Pageset'...
$ git fetch origin eb065c3282fdf39f883e461e7ea01905328edbab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Page-Pageset
 * [new ref]         eb065c3282fdf39f883e461e7ea01905328edbab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb065c3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild