$ git clone -n https://src.fedoraproject.org/rpms/R-websocket.git /var/lib/mock/f38-build-side-42-init-devel-850880-28425/root/chroot_tmpdir/scmroot/R-websocket
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-850880-28425/root/chroot_tmpdir/scmroot/R-websocket'...
$ git fetch origin e4a9c2170a1b097eb5a5a8176f64aad3c8188d1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-websocket
 * [new ref]         e4a9c2170a1b097eb5a5a8176f64aad3c8188d1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4a9c21 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild