$ git clone -n https://src.fedoraproject.org/rpms/R-sodium.git /var/lib/mock/f39-build-1510584-35498/root/chroot_tmpdir/scmroot/R-sodium
Cloning into '/var/lib/mock/f39-build-1510584-35498/root/chroot_tmpdir/scmroot/R-sodium'...
$ git fetch origin 4a9e4e753cc88150a1a9caf4cf4cdf6d8810800b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-sodium
 * [new ref]         4a9e4e753cc88150a1a9caf4cf4cdf6d8810800b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a9e4e7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild