rules.mk

# Only use the recipes defined in these makefiles
MAKEFLAGS += --no-builtin-rules
.SUFFIXES:
# Delete target files if there's an error
# This avoids a failure to then skip building on next run if the output is created by shell redirection for example
# Not really necessary for now, but just good to have already if it becomes necessary later.
.DELETE_ON_ERROR:
# Treat the whole recipe as a one shell script/invocation instead of one-per-line
.ONESHELL:
# Use bash instead of plain sh
SHELL := bash
.SHELLFLAGS := -o pipefail -euc

binaries := cmd/examplelog/examplelog
version := $(shell git rev-parse --short HEAD)
tag := $(shell git tag --points-at HEAD)
ifneq (,$(tag))
version := $(tag)-$(version)
endif
LDFLAGS := -ldflags "-X main.version=$(version)"
export CGO_ENABLED := 0

.PHONY: example run-example $(binaries)
example: cmd/examplelog/examplelog
run-example: ./cmd/examplelog/examplelog
	$^

crossbinaries := $(addsuffix -linux-,$(binaries))
crossbinaries := $(crossbinaries:=386) $(crossbinaries:=amd64) $(crossbinaries:=arm64) $(crossbinaries:=armv6) $(crossbinaries:=armv7)

.PHONY: crosscompile $(crossbinaries)
%-386:   FLAGS=GOOS=linux GOARCH=386
%-amd64: FLAGS=GOOS=linux GOARCH=amd64
%-arm64: FLAGS=GOOS=linux GOARCH=arm64
%-armv6: FLAGS=GOOS=linux GOARCH=arm GOARM=6
%-armv7: FLAGS=GOOS=linux GOARCH=arm GOARM=7
$(binaries) $(crossbinaries):
	$(FLAGS) go build $(LDFLAGS) -o $@ ./$(@D)
	strip $@

IMAGE_TAG ?= mediator:latest
.PHONY: server-image
server-image: mediator-linux-amd64
	docker build -t $(IMAGE_TAG) .

ifeq ($(origin GOBIN), undefined)
GOBIN := ${PWD}/bin
export GOBIN
PATH := ${GOBIN}:${PATH}
export PATH
endif

toolsBins := $(addprefix bin/,$(notdir $(shell awk -F'"' '/^\s*_/ {print $$2}' tools.go)))

# installs cli tools defined in tools.go
$(toolsBins): go.mod go.sum tools.go
$(toolsBins): CMD=$(shell awk -F'"' '/$(@F)"/ {print $$2}' tools.go)
$(toolsBins):
	go install $(CMD)

.PHONY: gofumpt
gofumpt: bin/gofumpt
	gofumpt -s -d .

gofumpt-fix: bin/gofumpt
	gofumpt -s -w .

.PHONY: prettier prettier-fix
prettier:
	prettier --list-different --ignore-path .gitignore .

prettier-fix:
	prettier --write --ignore-path .gitignore .

goimports: bin/goimports
	goimports -d . | (! grep .)