$ git clone -n https://src.fedoraproject.org/rpms/R-tidyr.git /var/lib/mock/f40-build-789232-135686/root/chroot_tmpdir/scmroot/R-tidyr
Cloning into '/var/lib/mock/f40-build-789232-135686/root/chroot_tmpdir/scmroot/R-tidyr'...
$ git fetch origin 394b2cede6fe084f0475383d2855cbbe56719abb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-tidyr
 * [new ref]         394b2cede6fe084f0475383d2855cbbe56719abb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 394b2ce Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild