refactor(git): rework git package

pkg/git/project.go

@@ -0,0 +1,79 @@
+package git
+
+import (
+	"github.com/go-git/go-billy/v5"
+	"github.com/go-git/go-billy/v5/memfs"
+	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing/transport"
+	"github.com/go-git/go-git/v5/plumbing/transport/http"
+	"github.com/go-git/go-git/v5/storage/memory"
+)
+
+type ProjectOption func(*Project)
+
+func WithBasicAuth(user, pass string) ProjectOption {
+	return func(p *Project) {
+		p.auth = &http.BasicAuth{
+			Username: user,
+			Password: pass,
+		}
+	}
+}
+
+func WithBranch(branch string) ProjectOption {
+	return func(p *Project) {
+		p.Branch = branch
+	}
+}
+
+func WithKey(path string) ProjectOption {
+	return func(p *Project) {
+		p.KeyFile = path
+	}
+}
+
+type Project struct {
+	Branch  string
+	RepoURL string
+	KeyFile string
+
+	auth       transport.AuthMethod
+	fs         billy.Filesystem
+	storer     *memory.Storage
+	repository *git.Repository
+}
+
+func NewProject(url string, options ...ProjectOption) *Project {
+	project := &Project{
+		Branch:     "",
+		RepoURL:    url,
+		KeyFile:    "",
+		fs:         memfs.New(),
+		storer:     memory.NewStorage(),
+		repository: nil,
+	}
+
+	for _, option := range options {
+		option(project)
+	}
+
+	return project
+}
+
+func (p *Project) Clone() error {
+	cloneOpts := git.CloneOptions{
+		URL: p.RepoURL,
+	}
+
+	if p.auth != nil {
+		cloneOpts.Auth = p.auth
+	}
+
+	var err error
+	p.repository, err = git.Clone(
+		p.storer,
+		p.fs,
+		&cloneOpts,
+	)
+	return err
+}