$ git clone -n https://src.fedoraproject.org/rpms/python3-lxc.git /var/lib/mock/f45-build-33743-674/root/chroot_tmpdir/scmroot/python3-lxc
Cloning into '/var/lib/mock/f45-build-33743-674/root/chroot_tmpdir/scmroot/python3-lxc'...
$ git fetch origin 1e126888e4e5227b14a2c6f68d15a19a9ae47d9c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python3-lxc
 * [new ref]         1e126888e4e5227b14a2c6f68d15a19a9ae47d9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e12688 Update to 7.0.0.