Makefile

# Build, test and package. Everything here is also one plain command if you
# would rather not use make — see the README.

# Debian versions must start with a digit, so this cannot fall back to a bare
# commit hash. Tag as vX.Y.Z and it is picked up; otherwise override:
#   make deb VERSION=1.2.3
VERSION ?= $(shell git describe --tags --match 'v[0-9]*' --dirty 2>/dev/null | sed 's/^v//' || true)
ifeq ($(strip $(VERSION)),)
VERSION := 0.1.0
endif

ARCH ?= amd64

# Pinned rather than @latest so a build is reproducible, and run via `go run` so
# packaging needs nothing installed beyond the Go toolchain already required.
NFPM := go run github.com/goreleaser/nfpm/v2/cmd/nfpm@v2.38.0

.PHONY: all build test linux deb clean

all: test build

build:
	go build -o randomimageviewer .

test:
	go test ./...
	node --test

# Statically linked: nothing in the dependency tree uses cgo, so the result runs
# on any Linux of this architecture with no libc to match.
linux:
	mkdir -p dist
	CGO_ENABLED=0 GOOS=linux GOARCH=$(ARCH) go build -trimpath -ldflags='-s -w' \
		-o dist/randomimageviewer .

deb: linux
	mkdir -p dist
	VERSION=$(VERSION) ARCH=$(ARCH) $(NFPM) package \
		--config nfpm.yaml --packager deb --target dist/
	@echo "built dist/randomimageviewer_$(VERSION)_$(ARCH).deb"

clean:
	rm -rf dist randomimageviewer