Install Docker man pages for your Docker version

update-docker-docs

#!/bin/bash

# make bash behave
set -euo pipefail
IFS=$'\n\t'

# adapted from: http://stackoverflow.com/a/32239112

# create tmpdir and register cleanup callback
tmpdir=$(mktemp -d ~/.docker-man.XXXXXXXX)
cd "${tmpdir}"

function cleanup {
  #  docker-clean -c
  rm -rf "${tmpdir}"
}
trap cleanup EXIT

# ensure we're getting the right doc version
dockerversion=$(docker version -f '{{ .Client.Version }}')

git clone --quiet --branch "v${dockerversion}" --depth 1 \
    https://github.com/docker/docker.git

cd docker/man
docker build -t docker/md2man .
docker run -v $(pwd):/man -w /man -i docker/md2man ./md2man-all.sh

cp -Rv man* /usr/local/share/man/