feat: add prerelease switch to command

Author: christophwitzko

cmd/semantic-release/main.go

@@ -52,6 +52,7 @@ func main() {
 	showVersion := flag.Bool("version", false, "outputs the semantic-release version")
 	updateFile := flag.String("update", "", "updates the version of a certain file")
 	gheHost := flag.String("ghe-host", os.Getenv("GITHUB_ENTERPRISE_HOST"), "github enterprise host")
+	isPrerelease := flag.Bool("prerelease", false, "flags the release as a prerelease")
 	flag.Parse()
 
 	if *showVersion {
@@ -136,7 +137,7 @@ func main() {
 	}
 
 	logger.Println("creating release...")
-	exitIfError(repo.CreateRelease(changelog, newVer, currentBranch, currentSha))
+	exitIfError(repo.CreateRelease(changelog, newVer, *isPrerelease, currentBranch, currentSha))
 
 	if *ghr {
 		exitIfError(ioutil.WriteFile(".ghr", []byte(fmt.Sprintf("-u %s -r %s v%s", repo.Owner, repo.Repo, newVer.String())), 0644))

release

@@ -2,7 +2,7 @@
 
 set -e
 
-./semantic-release -ghr -vf -update ./npm-package/package.json
+./semantic-release -ghr -vf -prerelease -update ./npm-package/package.json
 export VERSION=$(cat .version)
 
 gox -parallel 4 -osarch="linux/amd64 darwin/amd64 linux/arm windows/amd64" -ldflags="-s -w -X main.SRVERSION=$VERSION" -output="bin/{{.Dir}}_v"$VERSION"_{{.OS}}_{{.Arch}}" ./cmd/semantic-release/

semrel.go

@@ -189,9 +189,9 @@ func (repo *Repository) GetLatestRelease(vrange string) (*Release, error) {
 	return &Release{lastRelease.SHA, &npver}, nil
 }
 
-func (repo *Repository) CreateRelease(changelog string, newVersion *semver.Version, branch, sha string) error {
+func (repo *Repository) CreateRelease(changelog string, newVersion *semver.Version, prerelease bool, branch, sha string) error {
 	tag := fmt.Sprintf("v%s", newVersion.String())
-	hasPrerelease := newVersion.Prerelease() != ""
+	isPrerelease := prerelease || newVersion.Prerelease() != ""
 
 	if branch != sha {
 		ref := "refs/tags/" + tag
@@ -210,7 +210,7 @@ func (repo *Repository) CreateRelease(changelog string, newVersion *semver.Versi
 		Name:            &tag,
 		TargetCommitish: &branch,
 		Body:            &changelog,
-		Prerelease:      &hasPrerelease,
+		Prerelease:      &isPrerelease,
 	}
 	_, _, err := repo.Client.Repositories.CreateRelease(repo.Ctx, repo.Owner, repo.Repo, opts)
 	if err != nil {

semrel_test.go

@@ -191,7 +191,7 @@ func TestCreateRelease(t *testing.T) {
 	repo, ts := getNewTestRepo(t)
 	defer ts.Close()
 	newVersion, _ := semver.NewVersion("2.0.0")
-	err := repo.CreateRelease("", newVersion, "", "deadbeef")
+	err := repo.CreateRelease("", newVersion, false, "", "deadbeef")
 	if err != nil {
 		t.Fatal(err)
 	}