# UID/GID
# UID or GID is the UNIX user ID or group ID of the user who executes
# make. If the UID or GID is not passed as a make variable, an attempt
# is made to determine it.
UID?=$(shell id --user)
GID?=$(shell id --group)

# VERSION
# If no version is specified as a parameter of make, the last git hash
# value is taken.
VERSION:=$(or ${TRAVIS_TAG}, ${TRAVIS_TAG}, $(shell git rev-parse --short HEAD)-git)

CONTAINER_RUNTIME?=$(shell which docker)

GOARCH?=amd64
GOOS?=linux

# default build
build:
	GOOS=${GOOS} \
	GOARCH=${GOARCH} \
		go build -ldflags "-X main.version=${VERSION}"
	chown -R ${UID}:${GID} *

test: bindata
	go test -v ./pkg/...

bindata:
	go-bindata -pkg logfile -o ./pkg/logfile/bindata_test.go ./pkg/logfile/test

container-build:
	$(MAKE) container-run COMMAND=build

container-test:
	$(MAKE) container-run COMMAND=test

container-run:
	${CONTAINER_RUNTIME} run \
		--volume ${PWD}:/workspace \
		--rm \
		volkerraschek/build-image:latest\
			make ${COMMAND} UID=${UID} GID=${GID} VERSION=${VERSION} GOOS=${GOOS} GOARCH=${GOARCH}

remote:
	$(MAKE) build GOARCH=arm
	scp flucky ${FLUCKY_REMOTE}:/usr/local/bin
	ssh ${FLUCKY_REMOTE} "chmod +x /usr/local/bin/flucky"