$ git clone -n https://src.fedoraproject.org/rpms/python-slixmpp-omemo.git /var/lib/mock/f40-build-1602158-24051/root/chroot_tmpdir/scmroot/python-slixmpp-omemo
Cloning into '/var/lib/mock/f40-build-1602158-24051/root/chroot_tmpdir/scmroot/python-slixmpp-omemo'...
$ git fetch origin f697b286857bb7aeda9f5c5073779ddf8268b549:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-slixmpp-omemo
 * [new ref]         f697b286857bb7aeda9f5c5073779ddf8268b549 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f697b28 Remove python3-omemo-backend-signal as BR