remove git download functionality

download/download.go

@@ -2,97 +2,11 @@ package download
 
 import (
 	"errors"
-	"log"
-	"net/url"
-	"os"
-	"path/filepath"
 	"strings"
 
 	"golang.org/x/tools/go/vcs"
 )
 
-// Download takes a user-provided string that represents a remote
-// Go repository, and attempts to download it in a way similar to go get.
-// It is forgiving in terms of the exact path given: the path may have
-// a scheme or username, which will be trimmed.
-func Download(path, dest string) (root *vcs.RepoRoot, err error) {
-	return download(path, dest, true)
-}
-
-func download(path, dest string, firstAttempt bool) (root *vcs.RepoRoot, err error) {
-	vcs.ShowCmd = true
-
-	path, err = Clean(path)
-	if err != nil {
-		return root, err
-	}
-
-	root, err = vcs.RepoRootForImportPath(path, true)
-	if err != nil {
-		return root, err
-	}
-
-	localDirPath := filepath.Join(dest, root.Root, "..")
-
-	err = os.MkdirAll(localDirPath, 0777)
-	if err != nil {
-		return root, err
-	}
-
-	fullLocalPath := filepath.Join(dest, root.Root)
-	ex, err := exists(fullLocalPath)
-	if err != nil {
-		return root, err
-	}
-	if ex {
-		log.Println("Update", root.Repo)
-		err = root.VCS.Download(fullLocalPath)
-		if err != nil && firstAttempt {
-			// may have been rebased; we delete the directory, then try one more time:
-			log.Printf("Failed to download %q (%v), trying again...", root.Repo, err.Error())
-			err = os.RemoveAll(fullLocalPath)
-			if err != nil {
-				log.Println("Failed to delete path:", fullLocalPath, err)
-			}
-			return download(path, dest, false)
-		} else if err != nil {
-			return root, err
-		}
-	} else {
-		log.Println("Create", root.Repo)
-
-		if root.VCS.Name == "Git" {
-			root.VCS.CreateCmd = "clone --depth 1 {repo} {dir}"
-			root.VCS.TagSyncDefault = ""
-		}
-		var rootRepo = root.Repo
-		u, err := url.Parse(root.Repo)
-		if err != nil {
-			log.Printf("WARN: could not parse root.Repo: %v", err)
-		} else {
-			if u.Host == "github.com" {
-				u.User = url.UserPassword("gojp", "gojp")
-				rootRepo = u.String()
-			}
-		}
-		err = root.VCS.Create(fullLocalPath, rootRepo)
-		if err != nil {
-			return root, err
-		}
-	}
-	err = root.VCS.TagSync(fullLocalPath, "")
-	if err != nil && firstAttempt {
-		// may have been rebased; we delete the directory, then try one more time:
-		log.Printf("Failed to update %q (%v), trying again...", root.Repo, err.Error())
-		err = os.RemoveAll(fullLocalPath)
-		if err != nil {
-			log.Printf("Failed to delete directory %s", fullLocalPath)
-		}
-		return download(path, dest, false)
-	}
-	return root, err
-}
-
 // Clean trims any URL parts, like the scheme or username, that might be present
 // in a user-submitted URL
 func Clean(path string) (string, error) {
@@ -129,16 +43,3 @@ func trimUsername(repo string) string {
 
 	return repo
 }
-
-// exists returns whether the given file or directory exists or not
-// from http://stackoverflow.com/a/10510783
-func exists(path string) (bool, error) {
-	_, err := os.Stat(path)
-	if err == nil {
-		return true, nil
-	}
-	if os.IsNotExist(err) {
-		return false, nil
-	}
-	return true, err
-}