$ git clone -n https://src.fedoraproject.org/rpms/python-doubleratchet.git /var/lib/mock/f41-build-side-1-2906137-34718/root/chroot_tmpdir/scmroot/python-doubleratchet
Cloning into '/var/lib/mock/f41-build-side-1-2906137-34718/root/chroot_tmpdir/scmroot/python-doubleratchet'...
$ git fetch origin 8030427d6a9b22f69a57755178492092ddc5ec09:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-doubleratchet
 * [new ref]         8030427d6a9b22f69a57755178492092ddc5ec09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8030427 Update to 1.0.4