Makefile

# See https://tech.davis-hansson.com/p/make/
SHELL := bash
.DELETE_ON_ERROR:
.SHELLFLAGS := -eu -o pipefail -c
.DEFAULT_GOAL := test
MAKEFLAGS += --warn-undefined-variables
MAKEFLAGS += --no-builtin-rules
MAKEFLAGS += --no-print-directory
COPYRIGHT_YEARS := 2022
LICENSE_IGNORE := -e /testdata/

.PHONY: test
test:
	go test -race ./...

.PHONY: build
build:
	go build ./...

.PHONY: install
install:
	go install ./...

.PHONY: upgrade
upgrade:
	go get -u -t ./...
	go mod tidy -v

.PHONY: generate
generate:
	go install github.com/bufbuild/buf/private/pkg/licenseheader/cmd/license-header@v1.7.0
	@# We want to operate on a list of modified and new files, excluding
	@# deleted and ignored files. git-ls-files can't do this alone. comm -23 takes
	@# two files and prints the union, dropping lines common to both (-3) and
	@# those only in the second file (-2). We make one git-ls-files call for
	@# the modified, cached, and new (--others) files, and a second for the
	@# deleted files.
	comm -23 \
		<(git ls-files --cached --modified --others --no-empty-directory --exclude-standard | sort -u | grep -v $(LICENSE_IGNORE) ) \
		<(git ls-files --deleted | sort -u) | \
		xargs license-header \
			--license-type apache \
			--copyright-holder "Buf Technologies, Inc." \
			--year-range "$(COPYRIGHT_YEARS)"

.PHONY: checkgenerate
checkgenerate:
	@# Used in CI to verify that `make generate` doesn't produce a diff.
	test -z "$$(git status --porcelain | tee /dev/stderr)"