$ git clone -n https://src.fedoraproject.org/rpms/R-mime.git /var/lib/mock/f40-build-789491-135730/root/chroot_tmpdir/scmroot/R-mime
Cloning into '/var/lib/mock/f40-build-789491-135730/root/chroot_tmpdir/scmroot/R-mime'...
$ git fetch origin 5b61800a999c909f75e2752d282430954ab116d0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-mime
 * [new ref]         5b61800a999c909f75e2752d282430954ab116d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b61800 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild