Enable the use of files for components and don't fail on same repo

- Fixes #301

pkg/cli/get/resources/getter.go

@@ -136,6 +136,12 @@ func (g *vcsAndLocalFSGetter) copyLocalResource(resourceSource string,
 	resourceDestination string, recursively bool) error {
 	var err error
 	log.Printf("Attempting to copy local resource %s into %s\n", resourceSource, resourceDestination)
+	if fi, err := os.Stat(resourceSource); err == nil {
+		if !fi.Mode().IsDir() {
+			recursively = false
+		}
+	}
+
 	if recursively {
 		log.Printf("Copying local resource %s recursively into %s\n",
 			resourceSource, resourceDestination)

tools/vcs/manager.go

@@ -7,6 +7,8 @@ package vcs
 import (
 	"fmt"
 	"log"
+	"os"
+	"path/filepath"
 
 	"github.com/Masterminds/vcs"
 )
@@ -35,11 +37,18 @@ func (m Manager) Clone(url string, revision string, dir string) error {
 	if err != nil {
 		return fmt.Errorf(errorContainer, repoInitFailed, url, revision, dir, err.Error())
 	}
-	log.Printf("Cloning %s into %s\n", url, dir)
-	err = repo.Get()
-	if err != nil {
-		return fmt.Errorf(errorContainer, repoCloneFailed, url, revision, dir, err.Error())
+
+	files := GetVCSFolderContents(dir)
+	if len(files) == 1 {
+		log.Printf("Cloning %s into %s\n", url, dir)
+		err = repo.Get()
+		if err != nil {
+			return fmt.Errorf(errorContainer, repoCloneFailed, url, revision, dir, err.Error())
+		}
+	} else {
+		log.Printf("Repository already exists. Skipping....")
 	}
+
 	if revision != "" {
 		log.Printf("Checking out revision %s for repo %s\n", revision, url)
 		err = repo.UpdateVersion(revision)
@@ -51,3 +60,18 @@ func (m Manager) Clone(url string, revision string, dir string) error {
 	}
 	return nil
 }
+
+// GetVCSFolderContents determines if there are actual files in the VCS dir
+func GetVCSFolderContents(directory string) []string {
+	var files []string
+
+	err := filepath.Walk(directory, func(path string, info os.FileInfo, err error) error {
+		files = append(files, path)
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	return files
+}