GoReleaser builds Go binaries for several platforms, creates a GitHub release and then pushes a Homebrew formulae to a repository. All that wrapped in your favorite CI.

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The idea started with a simple shell script, but it quickly became more complex and I also wanted to publish binaries via Homebrew.

So, the all-new GoReleaser was born.

• You need to export a GITHUB_TOKEN environment variable with the repo scope selected. You can create one here.

• GoReleaser uses the latest Git tag of your repository, so you need to create a tag first.

• Now you can run goreleaser at the root of your repository:

curl -s https://raw.githubusercontent.com/goreleaser/get/master/latest | bash

This will build main.go as binary, for Darwin and Linux (amd64 and i386), archive the binary and common files as .tar.gz, and finally, publish a new GitHub release in the repository with archives uploaded.

Of course, all this can be customized!

For customization create a goreleaser.yml file in the root of your repository.

A complete and commented example can be found here.

You can also check the goreleaser.yml used by GoReleaser itself.

GoReleaser always sets a main.version ldflag. You can use it in your main.go file:

package main

var version = "master"

func main() {
  println(version)
}

And this version will always be the name of the current tag.

You may want to wire this to auto-deploy your new tags on Travis, for example:

after_success:
  test -n "$TRAVIS_TAG" && curl -s https://raw.githubusercontent.com/goreleaser/get/master/latest | bash