add tagpr.release setting to adjust creating GitHub Release behavior (#…

…95)

* add tagpr.release setting to adjust creating GitHub Release behavior

* update README.md

README.md

@@ -84,6 +84,10 @@ Command to change files just before release.
 ### tagpr.tmplate (Optional)
 Pull request template in go template format
 
+### tagpr.release (Optional)
+GitHub Release creation behavior after tagging `[yes, draft, no]`
+If this value is not set, the release is to be created.
+
 ## Author
 
 [Songmu](https://github.com/Songmu)

config.go

@@ -3,6 +3,7 @@ package tagpr
 import (
 	"os"
 	"strconv"
+	"strings"
 
 	"github.com/Songmu/gitconfig"
 	"github.com/google/go-github/v47/github"
@@ -37,6 +38,10 @@ const (
 #
 #   tagpr.tmplate (Optional)
 #       Pull request template in go template format
+#
+#   tagpr.release (Optional)
+#       GitHub Release creation behavior after tagging [yes, draft, no]
+#       If this value is not set, the release is to be created.
 [tagpr]
 `
 	envReleaseBranch    = "TAGPR_RELEASE_BRANCH"
@@ -45,19 +50,22 @@ const (
 	envChangelog        = "TAGPR_CHANGELOG"
 	envCommand          = "TAGPR_COMMAND"
 	envTemplate         = "TAGPR_TEMPLATE"
+	envRelease          = "TAGPR_RELEASE"
 	configReleaseBranch = "tagpr.releaseBranch"
 	configVersionFile   = "tagpr.versionFile"
 	configVPrefix       = "tagpr.vPrefix"
 	configChangelog     = "tagpr.changelog"
 	configCommand       = "tagpr.command"
 	configTemplate      = "tagpr.template"
+	configRelease       = "tagpr.release"
 )
 
 type config struct {
 	releaseBranch *string
 	versionFile   *string
 	command       *string
 	template      *string
+	release       *string
 	vPrefix       *bool
 	changelog     *bool
 
@@ -137,6 +145,15 @@ func (cfg *config) Reload() error {
 		}
 	}
 
+	if rel := os.Getenv(envRelease); rel != "" {
+		cfg.release = github.String(rel)
+	} else {
+		rel, err := cfg.gitconfig.Get(configRelease)
+		if err == nil {
+			cfg.release = github.String(rel)
+		}
+	}
+
 	return nil
 }
 
@@ -216,3 +233,13 @@ func (cfg *config) Command() string {
 func (cfg *config) Template() string {
 	return stringify(cfg.template)
 }
+
+func (cfg *config) Release() string {
+	rel := strings.ToLower(stringify(cfg.release))
+	switch rel {
+	case "yes", "draft", "no":
+		return rel
+	default:
+		return "yes"
+	}
+}

tag.go

@@ -95,18 +95,18 @@ func (tp *tagpr) tagRelease(ctx context.Context, pr *github.PullRequest, currVer
 		return err
 	}
 
-	// Don't use GenerateReleaseNote flag and use pre generated one
-	_, _, err = tp.gh.Repositories.CreateRelease(
-		ctx, tp.owner, tp.repo, &github.RepositoryRelease{
-			TagName:         &nextTag,
-			TargetCommitish: &releaseBranch,
-			Name:            &releases.Name,
-			Body:            &releases.Body,
-			// I want to make it as a draft release by default, but it is difficult to get a draft release
-			// from another tool via API, and there is no tool supports it, so I will make it as a normal
-			// release. In the future, there may be an option to create it as a Draft, or conversely,
-			// an option not to create a release.
-			// Draft: github.Bool(true),
-		})
-	return err
+	if rel := tp.cfg.Release(); rel == "no" {
+		return nil
+	} else {
+		// Don't use GenerateReleaseNote flag and use pre generated one
+		_, _, err = tp.gh.Repositories.CreateRelease(
+			ctx, tp.owner, tp.repo, &github.RepositoryRelease{
+				TagName:         &nextTag,
+				TargetCommitish: &releaseBranch,
+				Name:            &releases.Name,
+				Body:            &releases.Body,
+				Draft:           github.Bool(rel == "draft"),
+			})
+		return err
+	}
 }