$ git clone -n https://src.fedoraproject.org/rpms/rust-ubyte.git /var/lib/mock/f45-build-45816-828/root/chroot_tmpdir/scmroot/rust-ubyte
Cloning into '/var/lib/mock/f45-build-45816-828/root/chroot_tmpdir/scmroot/rust-ubyte'...
$ git fetch origin f02c8c8c0f34c82d8d1e4839ad90495746c25cbc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ubyte
 * [new ref]         f02c8c8c0f34c82d8d1e4839ad90495746c25cbc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f02c8c8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild