$ git clone -n https://src.fedoraproject.org/rpms/rubygem-websocket-driver.git /var/lib/mock/f40-build-733993-105644/root/chroot_tmpdir/scmroot/rubygem-websocket-driver
Cloning into '/var/lib/mock/f40-build-733993-105644/root/chroot_tmpdir/scmroot/rubygem-websocket-driver'...
$ git fetch origin 2050067392b08915284e3b831b9969749764502e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-websocket-driver
 * [new ref]         2050067392b08915284e3b831b9969749764502e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2050067 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild