github.com/demonoid81/moby@v0.0.0-20200517203328-62dd8e17c460/hack/make/.detect-daemon-osarch (about) 1 #!/usr/bin/env bash 2 set -e 3 4 docker-version-osarch() { 5 if ! type docker &> /dev/null; then 6 # docker is not installed 7 return 8 fi 9 local target="$1" # "Client" or "Server" 10 local fmtStr="{{.${target}.Os}}/{{.${target}.Arch}}" 11 if docker version -f "$fmtStr" 2> /dev/null; then 12 # if "docker version -f" works, let's just use that! 13 return 14 fi 15 docker version | awk ' 16 $1 ~ /^(Client|Server):$/ { section = 0 } 17 $1 == "'"$target"':" { section = 1; next } 18 section && $1 == "OS/Arch:" { print $2 } 19 20 # old versions of Docker 21 $1 == "OS/Arch" && $2 == "('"${target,,}"'):" { print $3 } 22 ' 23 } 24 25 # Retrieve OS/ARCH of docker daemon, e.g. linux/amd64 26 export DOCKER_ENGINE_OSARCH="${DOCKER_ENGINE_OSARCH:=$(docker-version-osarch 'Server')}" 27 export DOCKER_ENGINE_GOOS="${DOCKER_ENGINE_OSARCH%/*}" 28 export DOCKER_ENGINE_GOARCH="${DOCKER_ENGINE_OSARCH##*/}" 29 DOCKER_ENGINE_GOARCH=${DOCKER_ENGINE_GOARCH:=amd64} 30 31 # and the client, just in case 32 export DOCKER_CLIENT_OSARCH="$(docker-version-osarch 'Client')" 33 export DOCKER_CLIENT_GOOS="${DOCKER_CLIENT_OSARCH%/*}" 34 export DOCKER_CLIENT_GOARCH="${DOCKER_CLIENT_OSARCH##*/}" 35 DOCKER_CLIENT_GOARCH=${DOCKER_CLIENT_GOARCH:=amd64} 36 37 DOCKERFILE='Dockerfile' 38 39 if [ "${DOCKER_ENGINE_GOOS:-$DOCKER_CLIENT_GOOS}" = "windows" ]; then 40 DOCKERFILE='Dockerfile.windows' 41 fi 42 43 export DOCKERFILE