SHELL := bash

.DELETE_ON_ERROR:

.SHELLFLAGS := -eu -o pipefail -c

.DEFAULT_GOAL := all

MAKEFLAGS += --warn-undefined-variables

MAKEFLAGS += --no-builtin-rules

MAKEFLAGS += --no-print-directory

BIN=$(abspath .tmp/bin)

export PATH := $(BIN):$(PATH)

export GOBIN := $(abspath $(BIN))

COPYRIGHT_YEARS := 2022-2023

LICENSE_IGNORE := --ignore /testdata/

GO ?= go

.PHONY: help

help: ## Describe useful make targets

@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "%-30s %s\n", $$1, $$2}'

.PHONY: all

all: ## Build, test, and lint (default)

$(MAKE) test

$(MAKE) lint

.PHONY: clean

clean: ## Delete intermediate build artifacts

@# -X only removes untracked files, -d recurses into directories, -f actually removes files/dirs

git clean -Xdf

.PHONY: test

test: build ## Run unit tests

$(GO) test -vet=off -race -cover ./...

.PHONY: build

build: generate ## Build all packages

$(GO) build ./...

.PHONY: lint

lint: $(BIN)/golangci-lint $(BIN)/buf ## Lint Go and protobuf

test -z "$$($(BIN)/buf format -d . | tee /dev/stderr)"

$(GO) vet ./...

golangci-lint run

buf lint

.PHONY: lintfix

lintfix: $(BIN)/golangci-lint $(BIN)/buf ## Automatically fix some lint errors

golangci-lint run --fix

buf format -w .

.PHONY: generate

generate: $(BIN)/buf $(BIN)/protoc-gen-go $(BIN)/protoc-gen-connect-go $(BIN)/license-header ## Regenerate code and licenses

rm -rf internal/gen

PATH=$(BIN) $(BIN)/buf generate

license-header \

--license-type apache \

--copyright-holder "The Connect Authors" \

--year-range "$(COPYRIGHT_YEARS)" $(LICENSE_IGNORE)

.PHONY: upgrade

upgrade: ## Upgrade dependencies

go get -u -t ./... && go mod tidy -v

.PHONY: checkgenerate

checkgenerate:

@# Used in CI to verify that `make generate` doesn't produce a diff.

test -z "$$(git status --porcelain | tee /dev/stderr)"

$(BIN)/buf: Makefile

@mkdir -p $(@D)

$(GO) install github.com/bufbuild/buf/cmd/[email protected]

$(BIN)/license-header: Makefile

@mkdir -p $(@D)

$(GO) install github.com/bufbuild/buf/private/pkg/licenseheader/cmd/[email protected]

$(BIN)/golangci-lint: Makefile

@mkdir -p $(@D)

$(GO) install github.com/golangci/golangci-lint/cmd/[email protected]

$(BIN)/protoc-gen-go: Makefile

@mkdir -p $(@D)

$(GO) install google.golang.org/protobuf/cmd/protoc-gen-go

$(BIN)/protoc-gen-connect-go: Makefile go.mod

@mkdir -p $(@D)

$(GO) install connectrpc.com/connect/cmd/protoc-gen-connect-go