Initial implementation of an elasticsearch indexer in Go

Closes #1 (closed)

git/go-git.go

@@ -15,7 +15,7 @@ var (
 )
 type goGitRepository struct {
-	Repo *git.Repository
+	*git.Repository
 	FromHash plumbing.Hash
 	ToHash   plumbing.Hash
@@ -31,14 +31,14 @@ func NewGoGitRepository(projectPath string, fromSHA string, toSHA string) (*goGi
 	if err != nil {
 		return nil, err
 	}
-	out.Repo = repo
+	out.Repository = repo
 	if fromSHA == "" {
 		out.FromHash = plumbing.ZeroHash
 	} else {
 		out.FromHash = plumbing.NewHash(fromSHA)
-		commit, err := repo.CommitObject(out.FromHash)
+		commit, err := out.Repository.CommitObject(out.FromHash)
 		if err != nil {
 			return nil, fmt.Errorf("Bad from SHA (%s): %s", out.FromHash, err)
 		}
@@ -47,7 +47,7 @@ func NewGoGitRepository(projectPath string, fromSHA string, toSHA string) (*goGi
 	}
 	if toSHA == "" {
-		ref, err := out.Repo.Head()
+		ref, err := out.Repository.Head()
 		if err != nil {
 			return nil, err
 		}
@@ -57,7 +57,7 @@ func NewGoGitRepository(projectPath string, fromSHA string, toSHA string) (*goGi
 		out.ToHash = plumbing.NewHash(toSHA)
 	}
-	commit, err := repo.CommitObject(out.ToHash)
+	commit, err := out.Repository.CommitObject(out.ToHash)
 	if err != nil {
 		return nil, fmt.Errorf("Bad to SHA (%s): %s", out.ToHash, err)
 	}