implemented git open and fetch

pkg/git/git.go

@@ -1,7 +1,6 @@
 package git
 
 import (
-	"fmt"
 	"os"
 
 	gogit "github.com/go-git/go-git/v5"
@@ -9,29 +8,52 @@ import (
 
 type GitOptions struct {
 	URL              string
+	Name             string
 	RecurseSubmodule bool
 }
 
-func (g *GitOptions) Clone() (string, error) {
+func (g *GitOptions) Clone() (*gogit.Repository, error) {
 	a := &gogit.CloneOptions{
 		URL:      g.URL,
 		Progress: os.Stdout,
 	}
 	if err := a.Validate(); err != nil {
-		return fmt.Sprintln("Validation failed"), err
+		return nil, err
 	}
 
-	dir, err := os.MkdirTemp("", "clone")
+	if err := os.Mkdir(g.Name, 0750); err != nil && !os.IsExist(err) {
+		return nil, err
+	}
+
+	result, err := gogit.PlainClone(g.Name, false, a)
 	if err != nil {
-		return "", err
+		return nil, err
 	}
 
-	defer os.RemoveAll(dir)
-
-	_, err = gogit.PlainClone(dir, false, a)
-	if err != nil {
-		return "", err
-	}
-
-	return "Success", nil
+	return result, nil
+}
+
+func (g *GitOptions) Open() (*gogit.Repository, error) {
+	return gogit.PlainOpen(g.Name)
+}
+
+func (g *GitOptions) Fetch() error {
+	a := &gogit.FetchOptions{
+		RemoteName: g.Name,
+		RemoteURL:  g.URL,
+	}
+	if err := a.Validate(); err != nil {
+		return err
+	}
+
+	repo, err := g.Open()
+	if err != nil {
+		return err
+	}
+
+	if err := repo.Fetch(a); err != nil {
+		return err
+	}
+
+	return nil
 }