Merge pull request #221 from lucapette/init-command

Draft of the init command

config/config.go

@@ -10,8 +10,8 @@ import (
 
 // Repo represents any kind of repo (github, gitlab, etc)
 type Repo struct {
-	Owner string
-	Name  string
+	Owner string `yaml:"owner,omitempty"`
+	Name  string `yaml:"name,omitempty"`
 }
 
 // String of the repo, e.g. owner/name
@@ -21,48 +21,48 @@ func (r Repo) String() string {
 
 // Homebrew contains the brew section
 type Homebrew struct {
-	GitHub       Repo
-	Folder       string
-	Caveats      string
-	Plist        string
-	Install      string
-	Dependencies []string
-	Conflicts    []string
-	Description  string
-	Homepage     string
+	GitHub       Repo     `yaml:"github,omitempty"`
+	Folder       string   `yaml:"folder,omitempty"`
+	Caveats      string   `yaml:"caveats,omitempty"`
+	Plist        string   `yaml:"plist,omitempty"`
+	Install      string   `yaml:"install,omitempty"`
+	Dependencies []string `yaml:"dependencies,omitempty"`
+	Conflicts    []string `yaml:"conflicts,omitempty"`
+	Description  string   `yaml:"description,omitempty"`
+	Homepage     string   `yaml:"homepage,omitempty"`
 }
 
 // Hooks define actions to run before and/or after something
 type Hooks struct {
-	Pre  string
-	Post string
+	Pre  string `yaml:"pre,omitempty"`
+	Post string `yaml:"post,omitempty"`
 }
 
 // Build contains the build configuration section
 type Build struct {
-	Goos    []string
-	Goarch  []string
-	Goarm   []string
-	Main    string
-	Ldflags string
-	Flags   string
-	Binary  string
-	Hooks   Hooks
+	Goos    []string `yaml:"goos,omitempty"`
+	Goarch  []string `yaml:"goarch,omitempty"`
+	Goarm   []string `yaml:"goarm,omitempty"`
+	Main    string   `yaml:"main,omitempty"`
+	Ldflags string   `yaml:"ldflags,omitempty"`
+	Flags   string   `yaml:"flags,omitempty"`
+	Binary  string   `yaml:"binary,omitempty"`
+	Hooks   Hooks    `yaml:"hooks,omitempty"`
 }
 
 // FormatOverride is used to specify a custom format for a specific GOOS.
 type FormatOverride struct {
-	Goos   string
-	Format string
+	Goos   string `yaml:"goos,omitempty"`
+	Format string `yaml:"format,omitempty"`
 }
 
 // Archive config used for the archive
 type Archive struct {
-	Format          string
-	FormatOverrides []FormatOverride `yaml:"format_overrides"`
-	NameTemplate    string           `yaml:"name_template"`
-	Replacements    map[string]string
-	Files           []string
+	Format          string            `yaml:"format,omitempty"`
+	FormatOverrides []FormatOverride  `yaml:"format_overrides,omitempty"`
+	NameTemplate    string            `yaml:"name_template,omitempty"`
+	Replacements    map[string]string `yaml:"replacemnts,omitempty"`
+	Files           []string          `yaml:"files,omitempty"`
 }
 
 // Release config used for the GitHub release
@@ -73,14 +73,14 @@ type Release struct {
 
 // FPM config
 type FPM struct {
-	Formats      []string
-	Dependencies []string
-	Conflicts    []string
-	Vendor       string
-	Homepage     string
-	Maintainer   string
-	Description  string
-	License      string
+	Formats      []string `yaml:"formats,omitempty"`
+	Dependencies []string `yaml:"dependencies,omitempty"`
+	Conflicts    []string `yaml:"conflicts,omitempty"`
+	Vendor       string   `yaml:"vendor,omitempty"`
+	Homepage     string   `yaml:"homepage,omitempty"`
+	Maintainer   string   `yaml:"maintainer,omitempty"`
+	Description  string   `yaml:"description,omitempty"`
+	License      string   `yaml:"license,omitempty"`
 }
 
 // Project includes all project configuration

goreleaserlib/goreleaser.go

@@ -5,6 +5,10 @@ import (
 	"log"
 	"os"
 
+	yaml "gopkg.in/yaml.v1"
+
+	"fmt"
+
 	"github.com/goreleaser/goreleaser/config"
 	"github.com/goreleaser/goreleaser/context"
 	"github.com/goreleaser/goreleaser/pipeline"
@@ -77,3 +81,26 @@ func Release(flags Flags) error {
 	log.Println("Done!")
 	return nil
 }
+
+// InitProject creates an example goreleaser.yml in the current directory
+func InitProject(filename string) error {
+	if _, err := os.Stat(filename); !os.IsNotExist(err) {
+		if err != nil {
+			return err
+		}
+
+		return fmt.Errorf("%s already exists", filename)
+	}
+
+	var ctx = context.New(config.Project{})
+	var pipe = defaults.Pipe{}
+	if err := pipe.Run(ctx); err != nil {
+		return err
+	}
+	out, err := yaml.Marshal(ctx.Config)
+	if err != nil {
+		return err
+	}
+
+	return ioutil.WriteFile(filename, out, 0644)
+}

goreleaserlib/goreleaser_test.go

@@ -8,6 +8,9 @@ import (
 	"path/filepath"
 	"testing"
 
+	yaml "gopkg.in/yaml.v1"
+
+	"github.com/goreleaser/goreleaser/config"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -152,3 +155,56 @@ release:
 `
 	createFile(t, "goreleaser.yml", yaml)
 }
+
+func TestInitProject(t *testing.T) {
+	var filename = "test_goreleaser.yml"
+
+	defer func() {
+		if _, err := os.Stat(filename); !os.IsNotExist(err) {
+			if err != nil {
+				t.Fatal(err.Error())
+			}
+
+			if err := os.Remove(filename); err != nil {
+				t.Fatal(err.Error())
+			}
+		}
+	}()
+
+	if err := InitProject(filename); err != nil {
+		t.Fatalf("exepcted InitProject() to run, but got %v", err.Error())
+	}
+
+	file, err := os.Open(filename)
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+
+	out, err := ioutil.ReadAll(file)
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+
+	config := config.Project{}
+	assert.NoError(t, yaml.Unmarshal(out, &config))
+}
+
+func TestInitProjectFileExist(t *testing.T) {
+	var filename = "test_goreleaser.yml"
+
+	createFile(t, filename, "")
+
+	defer func() {
+		if _, err := os.Stat(filename); !os.IsNotExist(err) {
+			if err != nil {
+				t.Fatal(err.Error())
+			}
+
+			if err := os.Remove(filename); err != nil {
+				t.Fatal(err.Error())
+			}
+		}
+	}()
+
+	assert.Error(t, InitProject(filename))
+}

main.go

@@ -46,6 +46,22 @@ func main() {
 		}
 		return nil
 	}
+	app.Commands = []cli.Command{
+		{
+			Name:    "init",
+			Aliases: []string{"i"},
+			Usage:   "generate goreleaser.yml",
+			Action: func(c *cli.Context) error {
+				var filename = "goreleaser.yml"
+				if err := goreleaserlib.InitProject(filename); err != nil {
+					return cli.NewExitError(err.Error(), 1)
+				}
+
+				log.Printf("%s created. Please edit accordingly to your needs.", filename)
+				return nil
+			},
+		},
+	}
 	if err := app.Run(os.Args); err != nil {
 		log.Fatalln(err)
 	}