$ git clone -n https://src.fedoraproject.org/rpms/rust-text-block-macros.git /var/lib/mock/f40-build-2643917-66493/root/chroot_tmpdir/scmroot/rust-text-block-macros
Cloning into '/var/lib/mock/f40-build-2643917-66493/root/chroot_tmpdir/scmroot/rust-text-block-macros'...
$ git fetch origin da7113b14ce777a136c41f2a2fd8fdc17fb06a4c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-text-block-macros
 * [new ref]         da7113b14ce777a136c41f2a2fd8fdc17fb06a4c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da7113b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild