$ git clone -n https://src.fedoraproject.org/rpms/R-websocket.git /var/lib/mock/f40-build-2342411-59824/root/chroot_tmpdir/scmroot/R-websocket
Cloning into '/var/lib/mock/f40-build-2342411-59824/root/chroot_tmpdir/scmroot/R-websocket'...
$ git fetch origin 4b2cb85fc908e00f08b58f9a400574be11f3cff1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-websocket
 * [new ref]         4b2cb85fc908e00f08b58f9a400574be11f3cff1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b2cb85 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild