goreleaser/main.go

package main

import (
	"log"
	"os"

	"github.com/goreleaser/goreleaser/config"
	"github.com/goreleaser/goreleaser/context"
	"github.com/goreleaser/goreleaser/pipeline"
	"github.com/goreleaser/goreleaser/pipeline/archive"
	"github.com/goreleaser/goreleaser/pipeline/brew"
	"github.com/goreleaser/goreleaser/pipeline/build"
	"github.com/goreleaser/goreleaser/pipeline/defaults"
	"github.com/goreleaser/goreleaser/pipeline/env"
	"github.com/goreleaser/goreleaser/pipeline/fpm"
	"github.com/goreleaser/goreleaser/pipeline/git"
	"github.com/goreleaser/goreleaser/pipeline/release"
	"github.com/goreleaser/goreleaser/pipeline/source"
	"github.com/urfave/cli"
)

var (
	version = "dev"
	commit  = "none"
	date    = "unknown"
)

func main() {
	var app = cli.NewApp()
	app.Name = "goreleaser"
	app.Version = version + ", commit " + commit + ", built at " + date
	app.Usage = "Deliver Go binaries as fast and easily as possible"
	app.Flags = []cli.Flag{
		cli.StringFlag{
			Name:  "config, file, c, f",
			Usage: "Load configuration from `FILE`",
			Value: "goreleaser.yml",
		},
		cli.BoolFlag{
			Name:  "build-only, skip-release, no-release, nr",
			Usage: "Skip all the release processes and run only the build and packaging steps",
		},
	}
	app.Action = func(c *cli.Context) (err error) {
		var file = c.String("config")
		cfg, err := config.Load(file)
		// Allow failing to load the config file if file is not explicitly specified
		if err != nil && c.IsSet("config") {
			return cli.NewExitError(err.Error(), 1)
		}
		ctx := context.New(cfg)
		log.SetFlags(0)
		for _, pipe := range pipes(c.Bool("build-only")) {
			log.Println(pipe.Description())
			log.SetPrefix(" -> ")
			if err := pipe.Run(ctx); err != nil {
				return cli.NewExitError(err.Error(), 1)
			}
			log.SetPrefix("")
		}
		log.Println("Done!")
		return
	}
	if err := app.Run(os.Args); err != nil {
		log.Fatalln(err)
	}
}

func pipes(buildOnly bool) []pipeline.Pipe {
	var pipes = []pipeline.Pipe{
		defaults.Pipe{}, // load default configs
	}
	if !buildOnly {
		pipes = append(
			pipes,
			git.Pipe{},    // get current tag info
			env.Pipe{},    // load and validate environment variables
			source.Pipe{}, // validate current git state
		)
	}
	pipes = append(
		pipes,
		build.Pipe{},   // build
		archive.Pipe{}, // archive (tar.gz, zip, etc)
		fpm.Pipe{},     // archive via fpm (deb, rpm, etc)
	)
	if !buildOnly {
		pipes = append(
			pipes,
			release.Pipe{}, // release to github
			brew.Pipe{},    // push to brew tap
		)
	}
	return pipes
}