$ git clone -n https://src.fedoraproject.org/rpms/rust-concolor-query.git /var/lib/mock/f45-build-40949-777/root/chroot_tmpdir/scmroot/rust-concolor-query
Cloning into '/var/lib/mock/f45-build-40949-777/root/chroot_tmpdir/scmroot/rust-concolor-query'...
$ git fetch origin c50fa7474ae42ec21ab85c938587a3892545ba4e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-concolor-query
 * [new ref]         c50fa7474ae42ec21ab85c938587a3892545ba4e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c50fa74 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild