$ git clone -n https://src.fedoraproject.org/rpms/rubygem-websocket-driver.git /var/lib/mock/f42-build-865222-172845/root/chroot_tmpdir/scmroot/rubygem-websocket-driver
Cloning into '/var/lib/mock/f42-build-865222-172845/root/chroot_tmpdir/scmroot/rubygem-websocket-driver'...
$ git fetch origin b92aea4ce15ad0102a517549bb87eb23224b6860:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-websocket-driver
 * [new ref]         b92aea4ce15ad0102a517549bb87eb23224b6860 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b92aea4 Rebuilt for https://fedoraproject.org/wiki/Changes/Ruby_3.4