# Jarl build and install.
#
#   make              build bin/jarld and bin/jarl (and their bash completion)
#   make test         unit tests (integration tests run when BIND is found;
#                     set JARL_BIND_ROOT, see docs/development.md)
#   make e2e          end-to-end test against a real named (scripts/e2e.sh)
#   sudo make install install binaries, bash completion, systemd units,
#                     sysusers/tmpfiles files and an example /etc/jarl/jarl.yaml
#   make deb          Debian packages in dist/ (DEB_ARCH=arm64 for another
#                     architecture): jarl (the server) and jarl-cli (the CLI,
#                     which jarl depends on); 'sudo apt install ./dist/jarl*_amd64.deb'
#   make dist         static binaries for linux/amd64 and linux/arm64 in dist/
#   make cli-dist     the CLI alone for Linux, macOS and Windows in dist/
#                     (jarl-cli-<version>-<os>-<arch>[.exe])

VERSION ?= $(shell cat VERSION 2>/dev/null || echo 0.0.0-dev)
LDFLAGS := -s -w -X jarl/internal/version.Version=$(VERSION)
GOFLAGS := -trimpath
export CGO_ENABLED := 0

PREFIX      ?= /usr/local
BINDIR      ?= $(PREFIX)/bin
DOCDIR      ?= $(PREFIX)/share/doc/jarl
# bash-completion also looks in /usr/local/share (XDG_DATA_DIRS).
BASHCOMPDIR ?= $(PREFIX)/share/bash-completion/completions
UNITDIR     ?= /etc/systemd/system
SYSUSERSDIR ?= /usr/lib/sysusers.d
TMPFILESDIR ?= /usr/lib/tmpfiles.d
DESTDIR     ?=

# The binaries install-files copies (make deb points these at other
# architectures' builds).
JARLD_BIN ?= bin/jarld
JARL_BIN  ?= bin/jarl

# make deb: the package's architecture (Debian name) and version.
DEB_ARCH    ?= $(shell dpkg --print-architecture 2>/dev/null || go env GOARCH)
DEB_VERSION ?= $(subst -,~,$(VERSION))

.PHONY: all build completion test vet e2e install install-files uninstall deb dist cli-dist clean

all: build

build:
	go build $(GOFLAGS) -ldflags '$(LDFLAGS)' -o bin/jarld ./cmd/jarld
	go build $(GOFLAGS) -ldflags '$(LDFLAGS)' -o bin/jarl ./cmd/jarl
	$(MAKE) --no-print-directory completion

# Bash completion scripts, generated by the binaries themselves.
completion:
	@mkdir -p bin/completion
	bin/jarl completion bash > bin/completion/jarl
	bin/jarld completion bash > bin/completion/jarld

vet:
	go vet ./...
	@test -z "$$(gofmt -l cmd internal)" || { echo "gofmt needed:"; gofmt -l cmd internal; exit 1; }

test: vet
	go test ./...

e2e: build
	scripts/e2e.sh

install: build install-files
	@if [ ! -e $(DESTDIR)/etc/jarl/jarl.yaml ]; then \
		install -d -m 0750 $(DESTDIR)/etc/jarl; \
		bin/jarld config --example > $(DESTDIR)/etc/jarl/jarl.yaml; \
		chmod 0640 $(DESTDIR)/etc/jarl/jarl.yaml; \
		echo "wrote $(DESTDIR)/etc/jarl/jarl.yaml"; \
	fi
	@echo
	@echo "Next (as root): systemd-sysusers jarl.conf && systemd-tmpfiles --create jarl.conf"
	@echo "                chgrp jarl /etc/jarl /etc/jarl/jarl.yaml && systemctl daemon-reload"
	@echo "Then follow docs/install.md (init, import, adopt, start), and turn on the daily"
	@echo "database backup:  systemctl enable --now jarl-backup.timer"

# Everything but /etc/jarl/jarl.yaml (shared by install and deb).
install-files:
	install -D -m 0755 $(JARLD_BIN) $(DESTDIR)$(BINDIR)/jarld
	install -D -m 0755 $(JARL_BIN) $(DESTDIR)$(BINDIR)/jarl
	install -D -m 0644 bin/completion/jarl $(DESTDIR)$(BASHCOMPDIR)/jarl
	install -D -m 0644 bin/completion/jarld $(DESTDIR)$(BASHCOMPDIR)/jarld
	for u in jarl.service jarl-backup.service jarl-backup.timer; do \
		install -D -m 0644 deploy/systemd/$$u $(DESTDIR)$(UNITDIR)/$$u && \
		sed -i 's#/usr/local/bin/jarld#$(BINDIR)/jarld#; s#/usr/local/share/doc/jarl#$(DOCDIR)#' $(DESTDIR)$(UNITDIR)/$$u || exit 1; \
	done
	install -D -m 0644 deploy/sysusers.d/jarl.conf $(DESTDIR)$(SYSUSERSDIR)/jarl.conf
	install -D -m 0644 deploy/tmpfiles.d/jarl.conf $(DESTDIR)$(TMPFILESDIR)/jarl.conf
	install -D -m 0644 README.md $(DESTDIR)$(DOCDIR)/README.md
	install -D -m 0644 LICENSE $(DESTDIR)$(DOCDIR)/LICENSE
	install -D -m 0644 CHANGELOG.md $(DESTDIR)$(DOCDIR)/CHANGELOG.md
	install -d $(DESTDIR)$(DOCDIR)/docs $(DESTDIR)$(DOCDIR)/contrib/acme.sh $(DESTDIR)$(DOCDIR)/contrib/lego
	install -m 0644 docs/*.md $(DESTDIR)$(DOCDIR)/docs/
	install -m 0644 contrib/acme.sh/dns_jarl.sh $(DESTDIR)$(DOCDIR)/contrib/acme.sh/
	install -m 0755 contrib/lego/jarl-lego.sh $(DESTDIR)$(DOCDIR)/contrib/lego/

uninstall:
	rm -f $(DESTDIR)$(BINDIR)/jarld $(DESTDIR)$(BINDIR)/jarl $(DESTDIR)$(UNITDIR)/jarl.service \
		$(DESTDIR)$(UNITDIR)/jarl-backup.service $(DESTDIR)$(UNITDIR)/jarl-backup.timer \
		$(DESTDIR)$(BASHCOMPDIR)/jarl $(DESTDIR)$(BASHCOMPDIR)/jarld \
		$(DESTDIR)$(SYSUSERSDIR)/jarl.conf $(DESTDIR)$(TMPFILESDIR)/jarl.conf
	rm -rf $(DESTDIR)$(DOCDIR)
	@echo "Kept /etc/jarl, /var/lib/jarl, /var/backups/jarl and the files in /etc/bind/jarl and /var/lib/bind/jarl."

# A Debian package, built with dpkg-deb (no root needed). The package's
# scripts are in deploy/debian; scripts/mkdeb.sh explains the layout.
deb: build
	DEB_ARCH='$(DEB_ARCH)' DEB_VERSION='$(DEB_VERSION)' VERSION='$(VERSION)' \
		LDFLAGS='$(LDFLAGS)' GOFLAGS='$(GOFLAGS)' scripts/mkdeb.sh

dist: build
	for arch in amd64 arm64; do \
		GOOS=linux GOARCH=$$arch go build $(GOFLAGS) -ldflags '$(LDFLAGS)' -o dist/jarl-$(VERSION)-linux-$$arch/jarld ./cmd/jarld && \
		GOOS=linux GOARCH=$$arch go build $(GOFLAGS) -ldflags '$(LDFLAGS)' -o dist/jarl-$(VERSION)-linux-$$arch/jarl ./cmd/jarl && \
		cp -r README.md CHANGELOG.md LICENSE docs deploy contrib bin/completion dist/jarl-$(VERSION)-linux-$$arch/ && \
		tar -C dist -czf dist/jarl-$(VERSION)-linux-$$arch.tar.gz jarl-$(VERSION)-linux-$$arch || exit 1; \
	done

# The platforms cli-dist builds the CLI for.
CLI_PLATFORMS ?= linux/amd64 linux/arm64 darwin/amd64 darwin/arm64 windows/amd64 windows/arm64

cli-dist:
	@mkdir -p dist
	for p in $(CLI_PLATFORMS); do \
		os=$${p%/*} arch=$${p#*/} ext=; [ $$os = windows ] && ext=.exe; \
		GOOS=$$os GOARCH=$$arch go build $(GOFLAGS) -ldflags '$(LDFLAGS)' -o dist/jarl-cli-$(VERSION)-$$os-$$arch$$ext ./cmd/jarl || exit 1; \
	done

clean:
	rm -rf bin dist