added fpm support

closes #10

config/config.go

@@ -43,12 +43,24 @@ type Release struct {
 	Repo string
 }
 
+// FPMFormat defines a FPM format and how it should be built
+type FPMFormat struct {
+	Name         string
+	Dependencies []string
+}
+
+// FPM config
+type FPM struct {
+	Formats []FPMFormat
+}
+
 // Project includes all project configuration
 type Project struct {
 	Release Release
 	Brew    Homebrew
 	Build   Build
 	Archive Archive
+	FPM     FPM `yaml:"fpm"`
 }
 
 // Load config file

context/context.go

@@ -22,6 +22,7 @@ type Context struct {
 	ReleaseRepo Repo
 	BrewRepo    Repo
 	Archives    map[string]string
+	Version     string
 }
 
 // New context

goreleaser.yml

@@ -3,3 +3,13 @@ brew:
   folder: Formula
   dependencies:
     - git
+fpm:
+  formats:
+    -
+      name: deb
+      dependencies:
+        - git
+    -
+      name: rpm
+      dependencies:
+        - git

main.go

@@ -12,6 +12,7 @@ import (
 	"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/repos"
@@ -33,6 +34,7 @@ var pipes = []pipeline.Pipe{
 	// real work
 	build.Pipe{},
 	archive.Pipe{},
+	fpm.Pipe{},
 	release.Pipe{},
 	brew.Pipe{},
 }

pipeline/brew/brew.go

@@ -22,7 +22,7 @@ const formula = `class {{ .Name }} < Formula
   desc "{{ .Desc }}"
   homepage "{{ .Homepage }}"
   url "https://github.com/{{ .Repo }}/releases/download/{{ .Tag }}/{{ .File }}.{{ .Format }}"
-  version "{{ .Tag }}"
+  version "{{ .Version }}"
   sha256 "{{ .SHA256 }}"
 
   {{- if .Dependencies }}
@@ -50,6 +50,7 @@ type templateData struct {
 	Homepage     string
 	Repo         string
 	Tag          string
+	Version      string
 	BinaryName   string
 	Caveats      string
 	File         string
@@ -156,6 +157,7 @@ func dataFor(ctx *context.Context, client *github.Client) (result templateData,
 		Homepage:     homepage,
 		Repo:         ctx.Config.Release.Repo,
 		Tag:          ctx.Git.CurrentTag,
+		Version:      ctx.Version,
 		BinaryName:   ctx.Config.Build.BinaryName,
 		Caveats:      ctx.Config.Brew.Caveats,
 		File:         file,

pipeline/fpm/fpm.go

@@ -0,0 +1,100 @@
+package fpm
+
+import (
+	"bytes"
+	"errors"
+	"log"
+	"os/exec"
+	"path/filepath"
+
+	"golang.org/x/sync/errgroup"
+
+	"github.com/goreleaser/goreleaser/context"
+)
+
+var linuxArchives = []struct {
+	Key  string
+	Arch string
+}{
+	{
+		Key:  "linuxamd64",
+		Arch: "x86_64",
+	},
+	{
+		Key:  "linux386",
+		Arch: "i386",
+	},
+}
+
+// ErrNoFPM is shown when fpm cannot be found in $PATH
+var ErrNoFPM = errors.New("fpm not present in $PATH")
+
+// Pipe for fpm packaging
+type Pipe struct{}
+
+// Description of the pipe
+func (Pipe) Description() string {
+	return "Creating Linux packages with fpm"
+}
+
+// Run the pipe
+func (Pipe) Run(ctx *context.Context) error {
+	cmd := exec.Command("which", "fpm")
+	if err := cmd.Run(); err != nil {
+		return ErrNoFPM
+	}
+	if len(ctx.Config.FPM.Formats) == 0 {
+		log.Println("No output formats configured")
+		return nil
+	}
+	var g errgroup.Group
+	for _, format := range ctx.Config.FPM.Formats {
+		for _, archive := range linuxArchives {
+			if ctx.Archives[archive.Key] == "" {
+				continue
+			}
+			archive := archive
+			g.Go(func() error {
+				return create(
+					ctx,
+					format.Name,
+					ctx.Archives[archive.Key],
+					archive.Arch,
+					format.Dependencies,
+				)
+			})
+		}
+	}
+	return g.Wait()
+}
+
+func create(ctx *context.Context, format, archive, arch string, deps []string) error {
+	var path = filepath.Join("dist", archive)
+	var file = path + ".deb"
+	var name = ctx.Config.Build.BinaryName
+	log.Println("Creating", file)
+
+	var options = []string{
+		"-s", "dir",
+		"-t", format,
+		"-n", name,
+		"-v", ctx.Version,
+		"-a", arch,
+		"-C", path,
+		"-p", file,
+		"--force",
+	}
+	for _, dep := range deps {
+		options = append(options, "-d", dep)
+	}
+	options = append(options, name+"="+filepath.Join("/usr/local/bin", name))
+	cmd := exec.Command("fpm", options...)
+	log.Println(cmd)
+	var stdout bytes.Buffer
+	cmd.Stdout = &stdout
+	cmd.Stderr = &stdout
+	if err := cmd.Run(); err != nil {
+		return errors.New(stdout.String())
+	}
+	return nil
+}

pipeline/git/git.go

@@ -1,6 +1,10 @@
 package git
 
-import "github.com/goreleaser/goreleaser/context"
+import (
+	"strings"
+
+	"github.com/goreleaser/goreleaser/context"
+)
 
 // Pipe for brew deployment
 type Pipe struct{}
@@ -30,5 +34,7 @@ func (Pipe) Run(ctx *context.Context) (err error) {
 		PreviousTag: previous,
 		Diff:        log,
 	}
+	// removes usual `v` prefix
+	ctx.Version = strings.TrimPrefix(tag, "v")
 	return
 }

pipeline/release/release.go

@@ -31,9 +31,13 @@ func (Pipe) Run(ctx *context.Context) error {
 	for _, archive := range ctx.Archives {
 		archive := archive
 		g.Go(func() error {
-			return upload(client, *r.ID, archive, ctx)
+			return upload(ctx, client, *r.ID, archive, ctx.Config.Archive.Format)
 		})
-
+		for _, fpm := range ctx.Config.FPM.Formats {
+			g.Go(func() error {
+				return upload(ctx, client, *r.ID, archive, fpm.Name)
+			})
+		}
 	}
 	return g.Wait()
 }
@@ -67,8 +71,8 @@ func description(diff string) string {
 	return result + "\nBuilt with " + string(bts)
 }
 
-func upload(client *github.Client, releaseID int, archive string, ctx *context.Context) error {
-	archive = archive + "." + ctx.Config.Archive.Format
+func upload(ctx *context.Context, client *github.Client, releaseID int, archive, format string) error {
+	archive = archive + "." + format
 	file, err := os.Open("dist/" + archive)
 	if err != nil {
 		return err