$ git clone -n https://src.fedoraproject.org/rpms/python3-lxc.git /var/lib/mock/f38-build-side-42-init-devel-647604-26439/root/chroot_tmpdir/scmroot/python3-lxc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-647604-26439/root/chroot_tmpdir/scmroot/python3-lxc'...
$ git fetch origin e666582a9ae8f56a983dd065f19755d25c418d5b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python3-lxc
 * [new ref]         e666582a9ae8f56a983dd065f19755d25c418d5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e666582 Update to 5.0.0.