GO ?= go
EPOCH_TEST_COMMIT ?= 4c8c000f3aa0b25577338f805a07c16518890b3d
HEAD ?= HEAD
CHANGELOG_BASE ?= HEAD~
CHANGELOG_TARGET ?= HEAD
PROJECT := github.com/projectatomic/libpod
GIT_BRANCH ?= $(shell git rev-parse --abbrev-ref HEAD 2>/dev/null)
GIT_BRANCH_CLEAN ?= $(shell echo $(GIT_BRANCH) | sed -e "s/[^[:alnum:]]/-/g")
LIBPOD_IMAGE ?= libpod_dev$(if $(GIT_BRANCH_CLEAN),:$(GIT_BRANCH_CLEAN))
LIBPOD_INSTANCE := libpod_dev
PREFIX ?= ${DESTDIR}/usr/local
BINDIR ?= ${PREFIX}/bin
LIBEXECDIR ?= ${PREFIX}/libexec
MANDIR ?= ${PREFIX}/share/man
SHAREDIR_CONTAINERS ?= ${PREFIX}/share/containers
ETCDIR ?= ${DESTDIR}/etc
ETCDIR_LIBPOD ?= ${ETCDIR}/crio
TMPFILESDIR ?= ${PREFIX}/lib/tmpfiles.d
SYSTEMDDIR ?= ${PREFIX}/lib/systemd/system
BUILDTAGS ?= seccomp $(shell hack/btrfs_tag.sh) $(shell hack/libdm_tag.sh) $(shell hack/btrfs_installed_tag.sh) $(shell hack/ostree_tag.sh) $(shell hack/selinux_tag.sh) varlink
BUILDTAGS_DARWIN ?= containers_image_ostree_stub containers_image_openpgp
ifneq (,$(findstring varlink,$(BUILDTAGS)))
	PODMAN_VARLINK_DEPENDENCIES = cmd/podman/varlink/ioprojectatomicpodman.go
endif

PYTHON ?= /usr/bin/python3
HAS_PYTHON3 := $(shell command -v python3 2>/dev/null)

BASHINSTALLDIR=${PREFIX}/share/bash-completion/completions
OCIUMOUNTINSTALLDIR=$(PREFIX)/share/oci-umount/oci-umount.d

SELINUXOPT ?= $(shell test -x /usr/sbin/selinuxenabled && selinuxenabled && echo -Z)
PACKAGES ?= $(shell $(GO) list -tags "${BUILDTAGS}" ./... | grep -v github.com/projectatomic/libpod/vendor | grep -v e2e)

COMMIT_NO ?= $(shell git rev-parse HEAD 2> /dev/null || true)
GIT_COMMIT ?= $(if $(shell git status --porcelain --untracked-files=no),"${COMMIT_NO}-dirty","${COMMIT_NO}")
BUILD_INFO ?= $(shell date +%s)
LDFLAGS_PODMAN ?= $(LDFLAGS) -X main.gitCommit=$(GIT_COMMIT) -X main.buildInfo=$(BUILD_INFO)
ISODATE ?= $(shell date --iso-8601)
LIBSECCOMP_COMMIT := release-2.3

# If GOPATH not specified, use one in the local directory
ifeq ($(GOPATH),)
export GOPATH := $(CURDIR)/_output
unexport GOBIN
endif
FIRST_GOPATH := $(firstword $(subst :, ,$(GOPATH)))
GOPKGDIR := $(FIRST_GOPATH)/src/$(PROJECT)
GOPKGBASEDIR ?= $(shell dirname "$(GOPKGDIR)")

GOBIN := $(shell $(GO) env GOBIN)
ifeq ($(GOBIN),)
GOBIN := $(FIRST_GOPATH)/bin
endif

GOMD2MAN ?= $(shell command -v go-md2man || echo '$(GOBIN)/go-md2man')

BOX="fedora_atomic"

all: binaries docs

default: help

help:
	@echo "Usage: make <target>"
	@echo
	@echo " * 'install' - Install binaries to system locations"
	@echo " * 'binaries' - Build podman"
	@echo " * 'integration' - Execute integration tests"
	@echo " * 'clean' - Clean artifacts"
	@echo " * 'lint' - Execute the source code linter"
	@echo " * 'gofmt' - Verify the source code gofmt"

.gopathok:
ifeq ("$(wildcard $(GOPKGDIR))","")
	mkdir -p "$(GOPKGBASEDIR)"
	ln -s "$(CURDIR)" "$(GOPKGBASEDIR)"
endif
	touch $@

lint: .gopathok varlink_generate
	@echo "checking lint"
	@./.tool/lint

gofmt:
	find . -name '*.go' ! -path './vendor/*' -exec gofmt -s -w {} \+
	git diff --exit-code

test/bin2img/bin2img: .gopathok $(wildcard test/bin2img/*.go)
	$(GO) build -ldflags '$(LDFLAGS)' -tags "$(BUILDTAGS) containers_image_ostree_stub" -o $@ $(PROJECT)/test/bin2img

test/copyimg/copyimg: .gopathok $(wildcard test/copyimg/*.go)
	$(GO) build -ldflags '$(LDFLAGS)' -tags "$(BUILDTAGS) containers_image_ostree_stub" -o $@ $(PROJECT)/test/copyimg

test/checkseccomp/checkseccomp: .gopathok $(wildcard test/checkseccomp/*.go)
	$(GO) build -ldflags '$(LDFLAGS)' -tags "$(BUILDTAGS) containers_image_ostree_stub" -o $@ $(PROJECT)/test/checkseccomp

podman: .gopathok $(PODMAN_VARLINK_DEPENDENCIES)
	$(GO) build -i -ldflags '$(LDFLAGS_PODMAN)' -tags "$(BUILDTAGS)" -o bin/$@ $(PROJECT)/cmd/podman

darwin:
	GOOS=darwin $(GO) build -ldflags '$(LDFLAGS_PODMAN)' -tags "$(BUILDTAGS_DARWIN)" -o bin/podman.$@ $(PROJECT)/cmd/podman

python-podman:
ifdef HAS_PYTHON3
	$(MAKE) -C contrib/python python-podman
endif

clean:
	rm -rf \
		.gopathok \
		_output \
		bin/podman \
		build \
		test/bin2img/bin2img \
		test/checkseccomp/checkseccomp \
		test/copyimg/copyimg \
		test/testdata/redis-image \
		cmd/podman/varlink/ioprojectatomicpodman.go \
		$(MANPAGES)
ifdef HAS_PYTHON3
		$(MAKE) -C contrib/python clean
endif
	find . -name \*~ -delete
	find . -name \#\* -delete

libpodimage:
	docker build -t ${LIBPOD_IMAGE} .

dbuild: libpodimage
	docker run --name=${LIBPOD_INSTANCE} --privileged ${LIBPOD_IMAGE} -v ${PWD}:/go/src/${PROJECT} --rm make binaries

test: libpodimage
	docker run -e STORAGE_OPTIONS="--storage-driver=vfs" -e TESTFLAGS -e TRAVIS -t --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} make clean all localunit localintegration

integration: libpodimage
	docker run -e STORAGE_OPTIONS="--storage-driver=vfs" -e TESTFLAGS -e TRAVIS -t --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} make clean all localintegration

integration.fedora:
	DIST=Fedora sh .papr_prepare.sh

integration.centos:
	DIST=CentOS sh .papr_prepare.sh

shell: libpodimage
	docker run -e STORAGE_OPTIONS="--storage-driver=vfs" -e TESTFLAGS -e TRAVIS -it --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} sh

testunit: libpodimage
	docker run -e STORAGE_OPTIONS="--storage-driver=vfs" -e TESTFLAGS -e TRAVIS -t --privileged --rm -v ${CURDIR}:/go/src/${PROJECT} ${LIBPOD_IMAGE} make localunit

localunit: varlink_generate
	$(GO) test -tags "$(BUILDTAGS)" -cover $(PACKAGES)

ginkgo:
	ginkgo -v test/e2e/

localintegration: varlink_generate test-binaries clientintegration
	ginkgo -v -cover -flakeAttempts 3 -progress -trace -noColor test/e2e/.

clientintegration:
	$(MAKE) -C contrib/python integration

vagrant-check:
	BOX=$(BOX) sh ./vagrant.sh

binaries: varlink_generate podman python-podman

test-binaries: test/bin2img/bin2img test/copyimg/copyimg test/checkseccomp/checkseccomp

MANPAGES_MD ?= $(wildcard docs/*.md pkg/*/docs/*.md)
MANPAGES ?= $(MANPAGES_MD:%.md=%)

$(MANPAGES): %: %.md .gopathok
	@sed -e 's/\((podman.*\.md)\)//' -e 's/\[\(podman.*\)\]/\1/' $<  | $(GOMD2MAN) -in /dev/stdin -out $@

docs: $(MANPAGES)

docker-docs: docs
	(cd docs; ./dckrman.sh *.1)

changelog:
	@echo "Creating changelog from $(CHANGELOG_BASE) to $(CHANGELOG_TARGET)"
	$(eval TMPFILE := $(shell mktemp))
	$(shell cat changelog.txt > $(TMPFILE))
	$(shell echo "- Changelog for $(CHANGELOG_TARGET) ($(ISODATE)):" > changelog.txt)
	$(shell git log --no-merges --format="  * %s" $(CHANGELOG_BASE)..$(CHANGELOG_TARGET) >> changelog.txt)
	$(shell echo "" >> changelog.txt)
	$(shell cat $(TMPFILE) >> changelog.txt)
	$(shell rm $(TMPFILE))

install: .gopathok install.bin install.man install.cni install.systemd

install.bin:
	install ${SELINUXOPT} -D -m 755 bin/podman $(BINDIR)/podman

install.man: docs
	install ${SELINUXOPT} -d -m 755 $(MANDIR)/man1
	install ${SELINUXOPT} -d -m 755 $(MANDIR)/man5
	install ${SELINUXOPT} -m 644 $(filter %.1,$(MANPAGES)) -t $(MANDIR)/man1
	install ${SELINUXOPT} -m 644 $(filter %.5,$(MANPAGES)) -t $(MANDIR)/man5
	install ${SELINUXOPT} -m 644 docs/links/*1 -t $(MANDIR)/man1

install.config:
	install ${SELINUXOPT} -D -m 644 libpod.conf ${SHAREDIR_CONTAINERS}/libpod.conf
	install ${SELINUXOPT} -D -m 644 seccomp.json $(ETCDIR_LIBPOD)/seccomp.json
	install ${SELINUXOPT} -D -m 644 crio-umount.conf $(OCIUMOUNTINSTALLDIR)/crio-umount.conf

install.completions:
	install ${SELINUXOPT} -d -m 755 ${BASHINSTALLDIR}
	install ${SELINUXOPT} -m 644 -D completions/bash/podman ${BASHINSTALLDIR}

install.cni:
	install ${SELINUXOPT} -D -m 644 cni/87-podman-bridge.conflist ${ETCDIR}/cni/net.d/87-podman-bridge.conflist

install.docker: docker-docs
	install ${SELINUXOPT} -D -m 755 docker $(BINDIR)/docker
	install ${SELINUXOPT} -d -m 755 $(MANDIR)/man1
	install ${SELINUXOPT} -d -m 755 $(MANDIR)/man5
	install ${SELINUXOPT} -m 644 docs/docker*.1 -t $(MANDIR)/man1
	install ${SELINUXOPT} -m 644 docs/docker*.5 -t $(MANDIR)/man5

install.systemd:
	install ${SELINUXOPT} -m 644 -D contrib/varlink/io.projectatomic.podman.socket ${SYSTEMDDIR}/io.projectatomic.podman.socket
	install ${SELINUXOPT} -m 644 -D contrib/varlink/io.projectatomic.podman.service ${SYSTEMDDIR}/io.projectatomic.podman.service
	install ${SELINUXOPT} -m 644 -D contrib/varlink/podman.conf ${TMPFILESDIR}/podman.conf

uninstall:
	for i in $(filter %.1,$(MANPAGES)); do \
		rm -f $(MANDIR)/man1/$$(basename $${i}); \
	done; \
	for i in $(filter %.5,$(MANPAGES)); do \
		rm -f $(MANDIR)/man5/$$(basename $${i}); \
	done

.PHONY: .gitvalidation
.gitvalidation: .gopathok
	GIT_CHECK_EXCLUDE="./vendor" $(GOBIN)/git-validation -v -run DCO,short-subject,dangling-whitespace -range $(EPOCH_TEST_COMMIT)..$(HEAD)

.PHONY: install.tools

install.tools: .install.gitvalidation .install.gometalinter .install.md2man

.install.gitvalidation: .gopathok
	if [ ! -x "$(GOBIN)/git-validation" ]; then \
		$(GO) get -u github.com/vbatts/git-validation; \
	fi

.install.gometalinter: .gopathok
	if [ ! -x "$(GOBIN)/gometalinter" ]; then \
		$(GO) get -u github.com/alecthomas/gometalinter; \
		cd $(FIRST_GOPATH)/src/github.com/alecthomas/gometalinter; \
		git checkout 23261fa046586808612c61da7a81d75a658e0814; \
		$(GO) install github.com/alecthomas/gometalinter; \
		$(GOBIN)/gometalinter --install; \
	fi

.install.md2man: .gopathok
	if [ ! -x "$(GOBIN)/go-md2man" ]; then \
		   $(GO) get -u github.com/cpuguy83/go-md2man; \
	fi

.install.ostree: .gopathok
	if ! pkg-config ostree-1 2> /dev/null ; then \
		git clone https://github.com/ostreedev/ostree $(FIRST_GOPATH)/src/github.com/ostreedev/ostree ; \
		cd $(FIRST_GOPATH)src/github.com/ostreedev/ostree ; \
		./autogen.sh --prefix=/usr/local; \
		make all install; \
	fi

varlink_generate: .gopathok cmd/podman/varlink/ioprojectatomicpodman.go
varlink_api_generate: .gopathok API.md

.PHONY: install.libseccomp.sudo
install.libseccomp.sudo:
	rm -rf ../../seccomp/libseccomp
	git clone https://github.com/seccomp/libseccomp ../../seccomp/libseccomp
	cd ../../seccomp/libseccomp && git checkout $(LIBSECCOMP_COMMIT) && ./autogen.sh && ./configure --prefix=/usr && make all && make install


cmd/podman/varlink/ioprojectatomicpodman.go: cmd/podman/varlink/io.projectatomic.podman.varlink
	$(GO) generate ./cmd/podman/varlink/...

API.md: cmd/podman/varlink/io.projectatomic.podman.varlink
	$(GO) generate ./docs/...

validate: gofmt .gitvalidation

.PHONY: \
	.gopathok \
	binaries \
	clean \
	default \
	docs \
	gofmt \
	help \
	install \
	lint \
	pause \
	uninstall \
	shell \
	changelog \
	validate \
	install.libseccomp.sudo \
	python-podman \
	clientintegration