Makefile

APP := fancylock
ARCHES := amd64
BIN := bin
DIST := dist
INSTALL_PATH := /usr/local/bin

# Git version metadata
GIT_COMMIT := $(shell git rev-parse --short HEAD)
BUILD_DATE := $(shell date -u +%Y-%m-%dT%H:%M:%SZ)
VERSION := $(shell git describe --tags --always --dirty)
TAG_VERSION := $(shell git describe --tags --abbrev=0 | sed 's/^v//')

# ldflags for embedding version info
LDFLAGS := -ldflags="-s -w \
  -X github.com/tuxx/fancylock/internal.Version=$(VERSION) \
  -X github.com/tuxx/fancylock/internal.Commit=$(GIT_COMMIT) \
  -X github.com/tuxx/fancylock/internal.BuildDate=$(BUILD_DATE)"

.PHONY: all clean native install check-go $(ARCHES) package aur

all: check-go $(ARCHES)

$(BIN):
	mkdir -p $(BIN)

$(DIST):
	mkdir -p $(DIST)

check-go:
	@command -v go >/dev/null 2>&1 || { echo >&2 "Go is not installed."; exit 1; }

$(ARCHES): | $(BIN)
	GOOS=linux GOARCH=$@ CGO_ENABLED=1 go build $(LDFLAGS) -o "$(BIN)/$(APP)-linux-$@" main.go

native: check-go | $(BIN)
	CGO_ENABLED=1 go build $(LDFLAGS) -o "$(BIN)/$(APP)-native" main.go

package: all | $(DIST)
	@for arch in $(ARCHES); do \
		[ -f "$(BIN)/$(APP)-linux-$$arch" ] && \
		tar -czvf "$(DIST)/$(APP)-linux-$$arch.tar.gz" -C "$(BIN)" "$(APP)-linux-$$arch"; \
	done
	@if [ -f "$(BIN)/$(APP)-native" ]; then \
		tar -czvf "$(DIST)/$(APP)-native.tar.gz" -C "$(BIN)" "$(APP)-native"; \
	fi
	cp "$(BIN)/$(APP)-linux-amd64" "$(DIST)/"
	tar -C "$(DIST)" -czf "$(DIST)/$(APP)-linux-amd64.tar.gz" "$(APP)-linux-amd64"

install: native
	@install -Dm755 "$(BIN)/$(APP)-native" "$(INSTALL_PATH)/$(APP)"
	@echo "Installed $(APP)-native to $(INSTALL_PATH)/$(APP)"
	@install -Dm644 "pam.d/fancylock" "/etc/pam.d/fancylock"

aur: package
	mkdir -p packages/aur/fancylock-bin
	sed "s/@VERSION@/$(TAG_VERSION)/g" packages/aur/fancylock-bin/PKGBUILD.template > packages/aur/fancylock-bin/PKGBUILD
	sed "s/@VERSION@/$(TAG_VERSION)/g" packages/aur/fancylock-bin/.SRCINFO.template > packages/aur/fancylock-bin/.SRCINFO

clean:
	rm -rf $(BIN) $(DIST)