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

- Fixes #301

pkg/cli/get/resources/getter.go

@@ -136,7 +136,13 @@ 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 recursively {
+	fi, err := os.Stat(resourceSource)
+	if err != nil {
+		log.Printf("%s\t%s", fi, resourceDestination)
+		os.Exit(1)
+		return err
+	}
+	if recursively && fi.IsDir() {
 		log.Printf("Copying local resource %s recursively into %s\n",
 			resourceSource, resourceDestination)
 		err = g.FSUtil.CopyAll(resourceSource, resourceDestination)

tools/vcs/manager.go

@@ -7,6 +7,8 @@ package vcs
 import (
 	"fmt"
 	"log"
+	"os"
+	"path/filepath"
 
 	"github.com/Masterminds/vcs"
 )
@@ -30,16 +32,30 @@ type Manager struct{}
 
 // Clone will clone the repo to a specified location and then checkout the repo at the particular revision.
 func (m Manager) Clone(url string, revision string, dir string) error {
+	var files []string
+
 	log.Printf("Initializing repo %s into %s\n", url, dir)
 	repo, err := vcs.NewRepo(url, dir)
 	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())
+	patherr := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+		files = append(files, path)
+		return nil
+	})
+	if patherr != nil {
+		panic(patherr)
 	}
+	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)