fix get latest tag

cmd/gorepomod/internal/git/runner.go

@@ -366,21 +366,22 @@ func (gr *Runner) DeleteTagFromRemote(
 	return gr.runNoOut(undoPainful, "push", string(remote), ":"+refsTags+tag)
 }
 
-func (gr *Runner) GetLatestTag(releaseBranch string) (string, error) {
+func (gr *Runner) GetLatestTag(releaseTag string) (string, error) {
 	var latestTag string
-	// Assuming release branch has this format: release-path/to/module-vX.Y.Z
-	// and each release branch maintains tags, extract version from latest `releaseBranch`
-	gr.comment("extract version from latest release branch")
-	filteredBranchList, err := gr.run(noHarmDone, "branch", "-a", "--list", "*"+releaseBranch+"*", "--sort=-committerdate")
-	if len(filteredBranchList) < 1 {
-		_ = fmt.Errorf("latest tag not found for %s", releaseBranch)
+	// Assuming release branch has this format: module/vX.Y.Z
+	gr.comment("extract version from latest release tag")
+
+	// Using `creatordate` sort key as it is more accurate
+	filteredTagList, err := gr.run(noHarmDone, "tag", "-l", "--sort=-creatordate", releaseTag+"*")
+	if len(filteredTagList) < 1 {
+		_ = fmt.Errorf("latest tag not found for %s", releaseTag)
 		return "", err
 	}
-	newestBranch := strings.Split(strings.ReplaceAll(filteredBranchList, "\r\n", "\n"), "\n")
-	split := strings.Split(newestBranch[0], "-")
+	newestTag := strings.Split(strings.ReplaceAll(filteredTagList, "\r\n", "\n"), "\n")
+	split := strings.Split(newestTag[0], "/")
 	latestTag = split[len(split)-1]
 	if err != nil {
-		_ = fmt.Errorf("error getting latest tag for %s", releaseBranch)
+		_ = fmt.Errorf("error getting latest tag for %s", releaseTag)
 	}
 
 	return latestTag, nil

cmd/gorepomod/internal/repo/manager.go

@@ -84,8 +84,8 @@ func (mgr *Manager) List() error {
 	// Auto-update local tags
 	gr := git.NewQuiet(mgr.AbsPath(), false, false)
 	for _, module := range mgr.modules {
-		releaseBranch := fmt.Sprintf("release-%s", module.ShortName())
-		_, err := gr.GetLatestTag(releaseBranch)
+		releaseTag := string(module.ShortName())
+		_, err := gr.GetLatestTag(releaseTag)
 		if err != nil {
 			return fmt.Errorf("failed getting latest tags for %s", module)
 		}
@@ -204,17 +204,6 @@ func (mgr *Manager) Release(
 	if err := gr.AssureCleanWorkspace(); err != nil {
 		return err
 	}
-	// Deprecated: no need to create new release branch,
-	// gorepomod will determine new version to publish based on release branch
-	// if err := gr.CheckoutReleaseBranch(mgr.remoteName, relBranch); err != nil {
-	// 	return err
-	// }
-	// if err := gr.MergeFromRemoteMain(mgr.remoteName); err != nil {
-	// 	return err
-	// }
-	// if err := gr.PushBranchToRemote(mgr.remoteName, relBranch); err != nil {
-	// 	return err
-	// }
 	if err := gr.CreateLocalReleaseTag(relTag, relBranch); err != nil {
 		return err
 	}

cmd/gorepomod/main.go

@@ -83,9 +83,9 @@ func actualMain() error {
 
 		if v.IsZero() {
 			// Always use latest tag while does not removing manual usage capability
-			releaseBranch := fmt.Sprintf("release-%s", targetModule.ShortName())
-			fmt.Printf("new version not specified, fall back to latest version according to release branch: %s-*\n", releaseBranch)
-			latest, err := gr.GetLatestTag(releaseBranch)
+			releaseTag := string(targetModule.ShortName())
+			fmt.Printf("new version not specified, fall back to latest version according to release tag: %s/*\n", releaseTag)
+			latest, err := gr.GetLatestTag(releaseTag)
 			if err != nil {
 				v = targetModule.VersionLocal()
 				err = mgr.Pin(args.DoIt(), targetModule, v)
@@ -94,6 +94,7 @@ func actualMain() error {
 				}
 				return nil
 			}
+			fmt.Printf("setting release tag to %s ...\n", latest)
 			v, err = semver.Parse(latest)
 			if err != nil {
 				v = targetModule.VersionLocal()