$ git clone -n https://src.fedoraproject.org/rpms/scd2html.git /var/lib/mock/f45-build-35630-698/root/chroot_tmpdir/scmroot/scd2html
Cloning into '/var/lib/mock/f45-build-35630-698/root/chroot_tmpdir/scmroot/scd2html'...
$ git fetch origin 15b08e6a9cfa6446b40c1b47a26dfabfdbc2cbde:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scd2html
 * [new ref]         15b08e6a9cfa6446b40c1b47a26dfabfdbc2cbde -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15b08e6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild