$ git clone -n https://src.fedoraproject.org/rpms/R-TH-data.git /var/lib/mock/f41-build-side-1-3141228-39987/root/chroot_tmpdir/scmroot/R-TH-data
Cloning into '/var/lib/mock/f41-build-side-1-3141228-39987/root/chroot_tmpdir/scmroot/R-TH-data'...
$ git fetch origin c9d73bf7221607ba39e9f9df54af6bac5881f34a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-TH-data
 * [new ref]         c9d73bf7221607ba39e9f9df54af6bac5881f34a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9d73bf Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild