$ git clone -n https://src.fedoraproject.org/rpms/rust-markup5ever0.35.git /var/lib/mock/f45-build-43132-800/root/chroot_tmpdir/scmroot/rust-markup5ever0.35
Cloning into '/var/lib/mock/f45-build-43132-800/root/chroot_tmpdir/scmroot/rust-markup5ever0.35'...
$ git fetch origin 0f9aa48666ccae5b4c04fd00fd3a28bc3c73c646:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-markup5ever0.35
 * [new ref]         0f9aa48666ccae5b4c04fd00fd3a28bc3c73c646 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f9aa48 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild