Replace bash release helper scripts with Go progam

cmd/gorepomod/main.go

@@ -0,0 +1,84 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"sigs.k8s.io/kustomize/cmd/gorepomod/internal/arguments"
+	"sigs.k8s.io/kustomize/cmd/gorepomod/internal/misc"
+	"sigs.k8s.io/kustomize/cmd/gorepomod/internal/repo"
+)
+
+//go:generate go run internal/gen/main.go
+
+func loadRepoManager(args *arguments.Args) (*repo.Manager, error) {
+	path, err := os.Getwd()
+	if err != nil {
+		return nil, err
+	}
+	dg, err := repo.NewDotGitDataFromPath(path)
+	if err != nil {
+		return nil, err
+	}
+	pr, err := dg.NewRepoFactory(args.Exclusions())
+	if err != nil {
+		return nil, err
+	}
+	return pr.NewRepoManager(), nil
+}
+
+func actualMain() error {
+	args, err := arguments.Parse()
+	if err != nil {
+		return err
+	}
+
+	mgr, err := loadRepoManager(args)
+	if err != nil {
+		return err
+	}
+
+	var targetModule misc.LaModule = nil
+	if args.ModuleName() != misc.ModuleUnknown {
+		targetModule = mgr.FindModule(args.ModuleName())
+		if targetModule == nil {
+			return fmt.Errorf(
+				"cannot find module %q in repo %s",
+				args.ModuleName(), mgr.RepoPath())
+		}
+	}
+
+	switch args.GetCommand() {
+	case arguments.List:
+		return mgr.List()
+	case arguments.Tidy:
+		return mgr.Tidy(args.DoIt())
+	case arguments.Pin:
+		v := args.Version()
+		if v.IsZero() {
+			v = targetModule.VersionLocal()
+		}
+		return mgr.Pin(args.DoIt(), targetModule, v)
+	case arguments.UnPin:
+		return mgr.UnPin(args.DoIt(), targetModule)
+	case arguments.Release:
+		return mgr.Release(targetModule, args.Bump(), args.DoIt())
+	case arguments.UnRelease:
+		return mgr.UnRelease(targetModule, args.DoIt())
+	case arguments.Debug:
+		return mgr.Debug(targetModule, args.DoIt())
+	default:
+		return fmt.Errorf("cannot handle cmd %v", args.GetCommand())
+	}
+}
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Print(usageMsg)
+		return
+	}
+	if err := actualMain(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}