VERSION := $(shell git rev-parse --short HEAD)
BUILDTIME := $(shell date -u '+%Y-%m-%dT%H:%M:%SZ')
BUILDTIMEFILENAME := $(shell date -u '+%Y%m%d-%H%M%SZ')
BUILDUSER := $(shell whoami)
BUILDHOST := $(shell hostname -s)
BUILDARCH := $(shell uname -m)

FN := fediverse-archive
IMAGENAME := sneak/$(FN)

GOLDFLAGS += -X main.Version=$(VERSION)
GOLDFLAGS += -X main.Buildtime=$(BUILDTIME)
GOLDFLAGS += -X main.Builduser=$(BUILDUSER)@$(BUILDHOST)
GOLDFLAGS += -X main.Buildarch=$(BUILDARCH)
GOFLAGS = -ldflags "$(GOLDFLAGS)"

default: rundebug

rundebug: build
	./$(FN) -debug

run: build
	./$(FN)

build: ./$(FN)

./$(FN): *.go
	go build -o $@ $(GOFLAGS) .

fmt:
	go fmt *.go

test: build-docker-image

build-docker-image:
	docker build -t $(IMAGENAME) .

dist: build-docker-image
	-mkdir -p ./output
	docker run --rm --entrypoint cat $(IMAGENAME) /bin/$(FN) > output/$(FN)
	docker save $(IMAGENAME) | bzip2 > output/$(BUILDTIMEFILENAME).$(FN).tbz2