$ git clone -n https://src.fedoraproject.org/rpms/R-rprintf.git /var/lib/mock/f40-build-2107654-50596/root/chroot_tmpdir/scmroot/R-rprintf
Cloning into '/var/lib/mock/f40-build-2107654-50596/root/chroot_tmpdir/scmroot/R-rprintf'...
$ git fetch origin e52083eb0f13c7cb83460f25050da4fad37a079d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-rprintf
 * [new ref]         e52083eb0f13c7cb83460f25050da4fad37a079d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e52083e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild