#Makefile related to docker

QEMU_VERSION ?= v2.11.0
QEMU_ARCH ?= amd64
GOARCH ?= amd64
TARGET ?= library

DOCKER_IMAGE ?= gitea/gitea
DOCKER_TAG ?= latest
ifneq ($(TARGET), library)
  DOCKER_PLATFORM ?= linux-$(GOARCH)
else
  DOCKER_PLATFORM ?= $(shell docker version -f {{.Server.Os}}-{{.Server.Arch}} 2>/dev/null || echo 'undefined')
endif
DOCKER_REF ?= $(DOCKER_IMAGE):$(DOCKER_TAG)-$(DOCKER_PLATFORM)

.PHONY: docker
docker:
	docker build --disable-content-trust=false -t $(DOCKER_REF) .
# support also build args docker build --build-arg GITEA_VERSION=v1.2.3 --build-arg TAGS="bindata sqlite"  .

.PHONY: docker-build
docker-build:
	docker run -ti --rm -v $(CURDIR):/srv/app/src/code.gitea.io/gitea -w /srv/app/src/code.gitea.io/gitea -e TAGS="bindata $(TAGS)" webhippie/golang:edge make clean generate build

.PHONY: docker-cross
docker-cross : docker-setup-qemu
	docker build --build-arg target=$(TARGET) --build-arg GOARCH=$(GOARCH) -f docker/Dockerfile.$(QEMU_ARCH) -t $(DOCKER_REF) .
#exemple TARGET=arm64v8 GOARCH=arm64 QEMU_ARCH=aarch64 make docker-cross
#exemple TARGET=amd64 GOARCH=amd64 QEMU_ARCH=amd64 make docker-cross
#exemple TARGET=arm32v6 GOARCH=arm QEMU_ARCH=arm make docker-cross

TARGET: arm32v6
.PHONY: docker-setup-qemu
docker-setup-qemu:
	@if [ "$(QEMU_ARCH)" != "amd64" ]; then \
	  echo "Loading qemu libs for multi-arch support."; \
	  (cd docker && curl -sL https://github.com/multiarch/qemu-user-static/releases/download/${QEMU_VERSION}/qemu-${QEMU_ARCH}-static.tar.gz | tar xz); \
	  docker run --rm --privileged multiarch/qemu-user-static:register --reset; \
		sed "s/^#QEMU phase/COPY docker\/qemu-${QEMU_ARCH}-static* \/usr\/bin\//g" Dockerfile > docker/Dockerfile.${QEMU_ARCH}; \
	else cp Dockerfile docker/Dockerfile.${QEMU_ARCH}; \
	fi;

#sed -i "s/make clean generate build/make build --always-make/g" docker/Dockerfile.${QEMU_ARCH}; \