From 5f6df39badc40679b335533b0359fee4c01c7ceb Mon Sep 17 00:00:00 2001
From: Carlos Alexandro Becker <caarlos0@gmail.com>
Date: Sat, 31 Dec 2016 13:57:39 -0200
Subject: [PATCH] improved main.go

closes #1
---
 glide.lock | 18 ++++++++++--------
 glide.yaml |  2 ++
 main.go    | 55 +++++++++++++++++++++++++++++++++++++-----------------
 3 files changed, 50 insertions(+), 25 deletions(-)

diff --git a/glide.lock b/glide.lock
index ddb8263fe..6b146d4db 100644
--- a/glide.lock
+++ b/glide.lock
@@ -1,32 +1,34 @@
-hash: 99aa967804549d50c1b897c28c555c0bb10a3045f68b3024f926758be9d0a5f8
-updated: 2016-12-29T18:01:00.535565441-02:00
+hash: 93b83079095ba0cb4b5244840032b91adc415e658a36e8ed709743a53cd9197f
+updated: 2016-12-31T13:46:04.437121081-02:00
 imports:
 - name: github.com/golang/protobuf
-  version: df1d3ca07d2d07bba352d5b73c4313b4e2a6203e
+  version: 8ee79997227bf9b34611aee7946ae64735e6fd93
   subpackages:
   - proto
 - name: github.com/google/go-github
-  version: 939928b912496ed4fbeb6e4beb2467b4fa540af7
+  version: 90861904aa86352a956f91ba0664df93a3547584
   subpackages:
   - github
 - name: github.com/google/go-querystring
   version: 9235644dd9e52eeae6fa48efd539fdc351a0af53
   subpackages:
   - query
+- name: github.com/urfave/cli
+  version: 0bdeddeeb0f650497d603c4ad7b20cfe685682f6
 - name: golang.org/x/net
-  version: 6d3beaea10370160dea67f5c9327ed791afd5389
+  version: 8fd7f25955530b92e73e9e1932a41b522b22ccd9
   subpackages:
   - context
 - name: golang.org/x/oauth2
-  version: 1e695b1c8febf17aad3bfa7bf0a819ef94b98ad5
+  version: 314dd2c0bf3ebd592ec0d20847d27e79d0dbe8dd
   subpackages:
   - internal
 - name: golang.org/x/sync
-  version: 316e794f7b5e3df4e95175a45a5fb8b12f85cb4f
+  version: 450f422ab23cf9881c94e2db30cac0eb1b7cf80c
   subpackages:
   - errgroup
 - name: google.golang.org/appengine
-  version: 3f4dbbc0ec153a39878fd524ece9f39732bd4998
+  version: 08a149cfaee099e6ce4be01c0113a78c85ee1dee
   subpackages:
   - internal
   - internal/base
diff --git a/glide.yaml b/glide.yaml
index f7711b939..c2f921077 100644
--- a/glide.yaml
+++ b/glide.yaml
@@ -8,6 +8,8 @@ import:
 - package: golang.org/x/sync
   subpackages:
   - errgroup
+- package: github.com/urfave/cli
+  version: ~1.19.1
 testImport:
 - package: github.com/stretchr/testify
   version: ~1.1.4
diff --git a/main.go b/main.go
index 10b8e7132..73da99c9c 100644
--- a/main.go
+++ b/main.go
@@ -9,25 +9,46 @@ import (
 	"github.com/goreleaser/releaser/pipeline/build"
 	"github.com/goreleaser/releaser/pipeline/compress"
 	"github.com/goreleaser/releaser/pipeline/release"
+	"github.com/urfave/cli"
+	"os"
 )
 
 var version = "master"
 
-func main() {
-	config, err := config.Load("goreleaser.yml")
-	if err != nil {
-		log.Fatalln("Failed to load goreleaser.yml:", err.Error())
-	}
-	log.Println("Releasing", config.Git.CurrentTag, "...")
-	var pipeline = []pipeline.Pipe{
-		build.Pipe{},
-		compress.Pipe{},
-		release.Pipe{},
-		brew.Pipe{},
-	}
-	for _, pipe := range pipeline {
-		if err := pipe.Run(config); err != nil {
-			log.Fatalln(pipe.Name(), "failed:", err.Error())
-		}
-	}
+var pipes = []pipeline.Pipe{
+	build.Pipe{},
+	compress.Pipe{},
+	release.Pipe{},
+	brew.Pipe{},
+}
+
+func main() {
+	var app = cli.NewApp()
+	app.Name = "release"
+	app.Version = version
+	app.Usage = "Deliver Go binaries as fast and easily as possible"
+	app.Flags = []cli.Flag{
+		cli.StringFlag{
+			Name:  "config, c",
+			Usage: "Load configuration from `FILE`",
+			Value: "goreleaser.yml",
+
+		},
+	}
+	app.Action = func(c *cli.Context) (err error) {
+		var file = c.String("config")
+		config, err := config.Load(file)
+		if err != nil {
+			return cli.NewExitError(err.Error(), 1)
+		}
+		log.Println("Releasing", config.Git.CurrentTag, "...")
+		for _, pipe := range pipes {
+			if err := pipe.Run(config); err != nil {
+				return cli.NewExitError(pipe.Name()+" failed: "+err.Error(), 1)
+			}
+		}
+		log.Println("Done!")
+		return
+	}
+	app.Run(os.Args)
 }