$ git clone -n https://src.fedoraproject.org/rpms/python-trio-websocket.git /var/lib/mock/f42-build-side-1-3497620-45961/root/chroot_tmpdir/scmroot/python-trio-websocket
Cloning into '/var/lib/mock/f42-build-side-1-3497620-45961/root/chroot_tmpdir/scmroot/python-trio-websocket'...
$ git fetch origin 16f1a1e03cf356edc09bd66f5299dc1003c84c63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-trio-websocket
 * [new ref]         16f1a1e03cf356edc09bd66f5299dc1003c84c63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16f1a1e Update to v0.12.2