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Installation

Back to README.md

Brew

Prototool can be installed on Mac OS X via Homebrew or Linux via Linuxbrew.

brew install prototool

This installs the prototool binary, along with bash completion, zsh completion, and man pages.

GitHub Releases

You can also install all of the assets on Linux or without Homebrew from GitHub Releases.

curl -sSL \
  https://github.com/uber/prototool/releases/download/v1.8.0/prototool-$(uname -s)-$(uname -m).tar.gz | \
  tar -C /usr/local --strip-components 1 -xz

If you do not want to install bash completion, zsh completion, or man pages, you can install just the prototool binary from GitHub Releases as well.

curl -sSL \
  https://github.com/uber/prototool/releases/download/v1.8.0/prototool-$(uname -s)-$(uname -m) \
  -o /usr/local/bin/prototool && \
  chmod +x /usr/local/bin/prototool

Golang Modules

You can also install the prototool binary using go get if using Go 1.11+ with Modules enabled. You can specify a branch such as dev, or a specific commit.

GO111MODULE=on go get github.com/uber/prototool/cmd/prototool@dev

To install to a specific location, use the GOBIN environment variable.

GO111MODULE=on GOBIN=/path/to/bin go get github.com/uber/prototool/cmd/prototool@dev

If using Go 1.12+, you can install without affecting any go.mod file by using a temporary directory. The below is a shell script that would accomplish this.

#!/bin/bash

set -euo pipefail

TMP="$(mktemp -d)"
trap 'rm -rf "${TMP}"' EXIT
cd "${TMP}"

GO111MODULE=on GOBIN=/path/to/bin go get github.com/uber/prototool/cmd/prototool@dev

The below is a Makefile snippet that would accomplish installing Prototool for use with any make targets.

SHELL := /bin/bash -o pipefail

UNAME_OS := $(shell uname -s)
UNAME_ARCH := $(shell uname -m)

TMP_BASE := .tmp
TMP := $(TMP_BASE)/$(UNAME_OS)/$(UNAME_ARCH)
TMP_BIN = $(TMP)/bin
TMP_VERSIONS := $(TMP)/versions

export GO111MODULE := on
export GOBIN := $(abspath $(TMP_BIN))
export PATH := $(GOBIN):$(PATH)

# This is the only variable that ever should change.
# This can be a branch, tag, or commit.
# When changed, the given version of Prototool will be installed to
# .tmp/$(uname -s)/(uname -m)/bin/prototool
PROTOTOOL_VERSION := v1.8.0

PROTOTOOL := $(TMP_VERSIONS)/prototool/$(PROTOTOOL_VERSION)
$(PROTOTOOL):
	$(eval PROTOTOOL_TMP := $(shell mktemp -d))
	cd $(PROTOTOOL_TMP); go get github.com/uber/prototool/cmd/prototool@$(PROTOTOOL_VERSION)
	@rm -rf $(PROTOTOOL_TMP)
	@rm -rf $(dir $(PROTOTOOL))
	@mkdir -p $(dir $(PROTOTOOL))
	@touch $(PROTOTOOL)

# proto is a target that uses prototool.
# By depending on $(PROTOTOOL), prototool will be installed on the Makefile's path.
# Since the path above has the temporary GOBIN at the front, this will use the
# locally installed prototool.
.PHONY: proto
proto: $(PROTOTOOL)
  prototool generate

Docker

Prototool can also be used within Docker. See docker.md for more details.