$ git clone -n https://src.fedoraproject.org/rpms/rust-markup5ever0.11.git /var/lib/mock/f45-build-43130-800/root/chroot_tmpdir/scmroot/rust-markup5ever0.11
Cloning into '/var/lib/mock/f45-build-43130-800/root/chroot_tmpdir/scmroot/rust-markup5ever0.11'...
$ git fetch origin 426d77740e97a02249276b70d79674bb776b2e30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-markup5ever0.11
 * [new ref]         426d77740e97a02249276b70d79674bb776b2e30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 426d777 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild