$ git clone -n https://src.fedoraproject.org/rpms/rust-tracing.git /var/lib/mock/f45-build-45582-824/root/chroot_tmpdir/scmroot/rust-tracing
Cloning into '/var/lib/mock/f45-build-45582-824/root/chroot_tmpdir/scmroot/rust-tracing'...
$ git fetch origin df3af706bb0367b79f4347e12d7d04cb7e1211a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tracing
 * [new ref]         df3af706bb0367b79f4347e12d7d04cb7e1211a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df3af70 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild