Replace git cloner with go getter to support various target

api/loader/loader.go

@@ -5,9 +5,16 @@
 package loader
 
 import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
 	"sigs.k8s.io/kustomize/api/filesys"
 	"sigs.k8s.io/kustomize/api/ifc"
 	"sigs.k8s.io/kustomize/api/internal/git"
+
+	getter "github.com/hashicorp/go-getter"
 )
 
 // NewLoader returns a Loader pointed at the given target.
@@ -19,16 +26,43 @@ import (
 func NewLoader(
 	lr LoadRestrictorFunc,
 	target string, fSys filesys.FileSystem) (ifc.Loader, error) {
-	repoSpec, err := git.NewRepoSpecFromUrl(target)
-	if err == nil {
-		// The target qualifies as a remote git target.
-		return newLoaderAtGitClone(
-			repoSpec, fSys, nil, git.ClonerUsingGitExec)
+
+	root, errD := demandDirectoryRoot(fSys, target)
+	if errD == nil {
+		return newLoaderAtConfirmedDir(lr, root, fSys, nil, getRepo), nil
 	}
-	root, err := demandDirectoryRoot(fSys, target)
-	if err != nil {
-		return nil, err
+
+	ldr, errL := newLoaderAtGitClone(
+		(&git.RepoSpec{}).WithRaw(target), fSys, nil, getRepo)
+
+	if errL != nil {
+		return nil, fmt.Errorf("Error demand directory %q and create loader %q", errD, errL)
 	}
-	return newLoaderAtConfirmedDir(
-		lr, root, fSys, nil, git.ClonerUsingGitExec), nil
+
+	return ldr, nil
+}
+
+func getRepo(repoSpec *git.RepoSpec) error {
+	var err error
+	repoSpec.Dir, err = filesys.NewTmpConfirmedDir()
+	if err != nil {
+		return err
+	}
+
+	// Get the pwd
+	pwd, err := os.Getwd()
+	if err != nil {
+		log.Fatalf("Error getting wd: %s", err)
+	}
+
+	opts := []getter.ClientOption{}
+	client := &getter.Client{
+		Ctx:     context.TODO(),
+		Src:     repoSpec.Raw(),
+		Dst:     repoSpec.Dir.String(),
+		Pwd:     pwd,
+		Mode:    getter.ClientModeAny,
+		Options: opts,
+	}
+	return client.Get()
 }