$ git clone -n https://src.fedoraproject.org/rpms/R-tikzDevice.git /var/lib/mock/f40-build-789233-135688/root/chroot_tmpdir/scmroot/R-tikzDevice
Cloning into '/var/lib/mock/f40-build-789233-135688/root/chroot_tmpdir/scmroot/R-tikzDevice'...
$ git fetch origin 78988380342da5a9018cbedd45ca446adcf0bfd3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-tikzDevice
 * [new ref]         78988380342da5a9018cbedd45ca446adcf0bfd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7898838 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild