$ git clone -n https://src.fedoraproject.org/rpms/R-bindr.git /var/lib/mock/f39-build-1470438-33896/root/chroot_tmpdir/scmroot/R-bindr
Cloning into '/var/lib/mock/f39-build-1470438-33896/root/chroot_tmpdir/scmroot/R-bindr'...
$ git fetch origin 255c7b96581c5bdf5342ba3b44e6657827d02e46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-bindr
 * [new ref]         255c7b96581c5bdf5342ba3b44e6657827d02e46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 255c7b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild