$ git clone -n https://src.fedoraproject.org/rpms/R-hms.git /var/lib/mock/f40-build-2532470-61841/root/chroot_tmpdir/scmroot/R-hms
Cloning into '/var/lib/mock/f40-build-2532470-61841/root/chroot_tmpdir/scmroot/R-hms'...
$ git fetch origin 5314ac5f6d82ce8361dae5712a972d8e885697f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-hms
 * [new ref]         5314ac5f6d82ce8361dae5712a972d8e885697f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5314ac5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild