$ git clone -n https://src.fedoraproject.org/rpms/R-usethis.git /var/lib/mock/f40-build-2340579-59717/root/chroot_tmpdir/scmroot/R-usethis
Cloning into '/var/lib/mock/f40-build-2340579-59717/root/chroot_tmpdir/scmroot/R-usethis'...
$ git fetch origin a0fae39c5efc093789334da2cfa6420a73b49074:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-usethis
 * [new ref]         a0fae39c5efc093789334da2cfa6420a73b49074 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0fae39 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild