feat: write actual config to dist

Writes the actual config file (with defaults
merged, etc) into the dist folder.

Can be useful for debug purposes.

.gitignore

@@ -1,4 +1,5 @@
 dist/
+!pipeline/dist
 vendor
 coverage.txt
 goreleaser

goreleaserlib/goreleaser.go

@@ -16,10 +16,11 @@ import (
 	"github.com/goreleaser/goreleaser/pipeline/build"
 	"github.com/goreleaser/goreleaser/pipeline/changelog"
 	"github.com/goreleaser/goreleaser/pipeline/checksums"
-	"github.com/goreleaser/goreleaser/pipeline/cleandist"
 	"github.com/goreleaser/goreleaser/pipeline/defaults"
+	"github.com/goreleaser/goreleaser/pipeline/dist"
 	"github.com/goreleaser/goreleaser/pipeline/docker"
 	"github.com/goreleaser/goreleaser/pipeline/env"
+	"github.com/goreleaser/goreleaser/pipeline/finalconfig"
 	"github.com/goreleaser/goreleaser/pipeline/fpm"
 	"github.com/goreleaser/goreleaser/pipeline/git"
 	"github.com/goreleaser/goreleaser/pipeline/release"
@@ -37,19 +38,20 @@ func init() {
 }
 
 var pipes = []pipeline.Piper{
-	defaults.Pipe{},  // load default configs
-	git.Pipe{},       // get and validate git repo state
-	changelog.Pipe{}, // builds the release changelog
-	env.Pipe{},       // load and validate environment variables
-	cleandist.Pipe{}, // ensure ./dist is clean
-	build.Pipe{},     // build
-	archive.Pipe{},   // archive (tar.gz, zip, etc)
-	fpm.Pipe{},       // archive via fpm (deb, rpm, etc)
-	snapcraft.Pipe{}, // archive via snapcraft (snap)
-	checksums.Pipe{}, // checksums of the files
-	docker.Pipe{},    // create and push docker images
-	release.Pipe{},   // release to github
-	brew.Pipe{},      // push to brew tap
+	defaults.Pipe{},    // load default configs
+	dist.Pipe{},        // ensure ./dist is clean
+	finalconfig.Pipe{}, // writes the actual config (with defaults et al set) to dist
+	git.Pipe{},         // get and validate git repo state
+	changelog.Pipe{},   // builds the release changelog
+	env.Pipe{},         // load and validate environment variables
+	build.Pipe{},       // build
+	archive.Pipe{},     // archive (tar.gz, zip, etc)
+	fpm.Pipe{},         // archive via fpm (deb, rpm, etc)
+	snapcraft.Pipe{},   // archive via snapcraft (snap)
+	checksums.Pipe{},   // checksums of the files
+	docker.Pipe{},      // create and push docker images
+	release.Pipe{},     // release to github
+	brew.Pipe{},        // push to brew tap
 }
 
 // Flags interface represents an extractor of cli flags

pipeline/defaults/defaults.go

@@ -48,6 +48,6 @@ func (Pipe) Run(ctx *context.Context) error {
 	if ctx.Config.ProjectName == "" {
 		ctx.Config.ProjectName = ctx.Config.Release.GitHub.Name
 	}
-	log.WithField("config", ctx.Config).Debug("defaults set")
 	return nil
 }
+

pipeline/dist/dist.go

@@ -1,6 +1,6 @@
-// Package cleandist provides checks to make sure the dist folder is always
+// Package dist provides checks to make sure the dist folder is always
 // empty.
-package cleandist
+package dist
 
 import (
 	"fmt"
@@ -22,12 +22,16 @@ func (Pipe) String() string {
 func (Pipe) Run(ctx *context.Context) (err error) {
 	_, err = os.Stat(ctx.Config.Dist)
 	if os.IsNotExist(err) {
-		log.Debug("./dist doesn't exist, moving on")
-		return nil
+		log.Debug("./dist doesn't exist, creating empty folder")
+		return mkdir(ctx)
 	}
 	if ctx.RmDist {
-		log.Info("--rm-dist is set, removing ./dist")
-		return os.RemoveAll(ctx.Config.Dist)
+		log.Info("--rm-dist is set, cleaning it up")
+		err = os.RemoveAll(ctx.Config.Dist)
+		if err == nil {
+			err = mkdir(ctx)
+		}
+		return err
 	}
 	files, err := ioutil.ReadDir(ctx.Config.Dist)
 	if err != nil {
@@ -41,5 +45,9 @@ func (Pipe) Run(ctx *context.Context) (err error) {
 		)
 	}
 	log.Debug("./dist is empty")
-	return
+	return mkdir(ctx)
+}
+
+func mkdir(ctx *context.Context) error {
+	return os.Mkdir(ctx.Config.Dist, 0755)
 }

pipeline/dist/dist_test.go

@@ -1,4 +1,4 @@
-package cleandist
+package dist
 
 import (
 	"io/ioutil"

pipeline/finalconfig/finalconfig.go

@@ -0,0 +1,27 @@
+package finalconfig
+
+import (
+	"io/ioutil"
+	"path/filepath"
+
+	"github.com/apex/log"
+	"github.com/goreleaser/goreleaser/context"
+	yaml "gopkg.in/yaml.v2"
+)
+
+type Pipe struct {
+}
+
+func (Pipe) String() string {
+	return "writing the final config file to dist folder"
+}
+
+func (Pipe) Run(ctx *context.Context) (err error) {
+	var path = filepath.Join(ctx.Config.Dist, "config.yaml")
+	bts, err := yaml.Marshal(ctx.Config)
+	if err != nil {
+		return err
+	}
+	log.WithField("path", path).Info("writting")
+	return ioutil.WriteFile(path, bts, 0644)
+}