.PHONY: all binary build cross default docs docs-build docs-shell shell test test-unit test-integration-cli test-docker-py validate

# get OS/Arch of docker engine
DOCKER_ENGINE_OSARCH = $(shell docker version | grep 'OS/Arch' | tail -1 | cut -d':' -f2 | tr -d '[[:space:]]')
DOCKER_ENGINE_GOOS = $(word 1, $(subst /, ,$(DOCKER_ENGINE_OSARCH)))
DOCKER_ENGINE_GOARCH = $(word 2, $(subst /, ,$(DOCKER_ENGINE_OSARCH)))
export DOCKER_ENGINE_OSARCH
export DOCKER_ENGINE_GOOS
export DOCKER_ENGINE_GOARCH
# default for linux/amd64 and others
DOCKER_FILE = Dockerfile
# switch to different Dockerfile for linux/arm
ifeq ($(DOCKER_ENGINE_OSARCH),linux/arm)
  DOCKER_FILE = Dockerfile.arm
endif
export DOCKER_FILE

# env vars passed through directly to Docker's build scripts
# to allow things like `make DOCKER_CLIENTONLY=1 binary` easily
# `docs/sources/contributing/devenvironment.md ` and `project/PACKAGERS.md` have some limited documentation of some of these
DOCKER_ENVS := \
	-e BUILDFLAGS \
	-e DOCKER_CLIENTONLY \
	-e DOCKER_DEBUG \
	-e DOCKER_EXPERIMENTAL \
	-e DOCKER_REMAP_ROOT \
	-e DOCKER_GRAPHDRIVER \
	-e DOCKER_STORAGE_OPTS \
	-e DOCKER_USERLANDPROXY \
	-e DOCKER_ENGINE_OSARCH \
	-e DOCKER_ENGINE_GOOS \
	-e DOCKER_ENGINE_GOARCH \
	-e DOCKER_FILE \
	-e TESTDIRS \
	-e TESTFLAGS \
	-e TIMEOUT
# note: we _cannot_ add "-e DOCKER_BUILDTAGS" here because even if it's unset in the shell, that would shadow the "ENV DOCKER_BUILDTAGS" set in our Dockerfile, which is very important for our official builds

# to allow `make BIND_DIR=. shell` or `make BIND_DIR= test`
# (default to no bind mount if DOCKER_HOST is set)
# note: BINDDIR is supported for backwards-compatibility here
BIND_DIR := $(if $(BINDDIR),$(BINDDIR),$(if $(DOCKER_HOST),,bundles))
DOCKER_MOUNT := $(if $(BIND_DIR),-v "$(CURDIR)/$(BIND_DIR):/go/src/github.com/docker/docker/$(BIND_DIR)")


GIT_BRANCH := $(shell git rev-parse --abbrev-ref HEAD 2>/dev/null)
DOCKER_IMAGE := docker-dev$(if $(GIT_BRANCH),:$(GIT_BRANCH))
DOCKER_DOCS_IMAGE := docker-docs$(if $(GIT_BRANCH),:$(GIT_BRANCH))

DOCKER_FLAGS := docker run --rm -i --privileged $(DOCKER_ENVS) $(DOCKER_MOUNT)

# if this session isn't interactive, then we don't want to allocate a
# TTY, which would fail, but if it is interactive, we do want to attach
# so that the user can send e.g. ^C through.
INTERACTIVE := $(shell [ -t 0 ] && echo 1 || echo 0)
ifeq ($(INTERACTIVE), 1)
	DOCKER_FLAGS += -t
endif

DOCKER_RUN_DOCKER := $(DOCKER_FLAGS) "$(DOCKER_IMAGE)"

default: binary

all: build
	$(DOCKER_RUN_DOCKER) hack/make.sh

binary: build
	$(DOCKER_RUN_DOCKER) hack/make.sh binary

cross: build
	$(DOCKER_RUN_DOCKER) hack/make.sh dynbinary binary cross

deb: build
	$(DOCKER_RUN_DOCKER) hack/make.sh dynbinary build-deb

rpm: build
	$(DOCKER_RUN_DOCKER) hack/make.sh dynbinary build-rpm

test: build
	$(DOCKER_RUN_DOCKER) hack/make.sh dynbinary cross test-unit test-integration-cli test-docker-py

test-unit: build
	$(DOCKER_RUN_DOCKER) hack/make.sh test-unit

test-integration-cli: build
	$(DOCKER_RUN_DOCKER) hack/make.sh dynbinary test-integration-cli

test-docker-py: build
	$(DOCKER_RUN_DOCKER) hack/make.sh dynbinary test-docker-py

validate: build
	$(DOCKER_RUN_DOCKER) hack/make.sh validate-dco validate-gofmt validate-pkg validate-lint validate-test validate-toml validate-vet

shell: build
	$(DOCKER_RUN_DOCKER) bash

build: bundles
	docker build -t "$(DOCKER_IMAGE)" -f $(DOCKER_FILE) .

bundles:
	mkdir bundles

docs:
	$(MAKE) -C docs docs
