$ git clone -n https://src.fedoraproject.org/rpms/rust-text-block-macros.git /var/lib/mock/f45-build-45470-823/root/chroot_tmpdir/scmroot/rust-text-block-macros
Cloning into '/var/lib/mock/f45-build-45470-823/root/chroot_tmpdir/scmroot/rust-text-block-macros'...
$ git fetch origin cde6c7b518ea8f8009c51939559c95624c2d9402:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-text-block-macros
 * [new ref]         cde6c7b518ea8f8009c51939559c95624c2d9402 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cde6c7b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild