$ git clone -n https://src.fedoraproject.org/rpms/R-gert.git /var/lib/mock/f41-build-821706-152618/root/chroot_tmpdir/scmroot/R-gert
Cloning into '/var/lib/mock/f41-build-821706-152618/root/chroot_tmpdir/scmroot/R-gert'...
$ git fetch origin 31a1c3f822abbf0bfee3ff6b97cbbc6d30e0eaad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-gert
 * [new ref]         31a1c3f822abbf0bfee3ff6b97cbbc6d30e0eaad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31a1c3f Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild