feat: Add ref support

Now log and tree can be loaded using a given reference.

1 files changed, 45 insertions, 5 deletions

diff --git a/pkg/service/git.go b/pkg/service/git.go
index 57b9b6e..9bf11f4 100644
--- a/pkg/service/git.go
+++ b/pkg/service/git.go
@@ -15,6 +15,7 @@ type (
 		Title             string
 		LastCommitMessage string
 		LastCommitDate    string
+		Ref               string
 	}
 
 	GitService struct {
@@ -41,29 +42,50 @@ func (g *GitService) ListRepositories() ([]*Repository, error) {
 
 	repos := make([]*Repository, len(rs))
 	for i, r := range rs {
-		repo := git.NewGitRepository(r.Path)
+		repo, err := git.OpenRepository(r.Path)
+		if err != nil {
+			return nil, err
+		}
+		if err != nil {
+			return nil, err
+		}
+
 		obj, err := repo.LastCommit()
 		if err != nil {
 			return nil, err
 		}
 
+		head, err := repo.Head()
+		if err != nil {
+			return nil, err
+		}
+
 		baseName := path.Base(r.Path)
 		repos[i] = &Repository{
 			Name:              baseName,
 			Title:             baseName,
 			LastCommitMessage: obj.Message,
 			LastCommitDate:    obj.Author.When.Format(timeFormat),
+			Ref:               head.Name().Short(),
 		}
 	}
 
 	return repos, nil
 }
 
-func (g *GitService) ListCommits(name string) ([]*object.Commit, error) {
+func (g *GitService) ListCommits(name, ref string) ([]*object.Commit, error) {
 	// TODO: handle nil
 	r := g.configRepo.GetByName(name)
 
-	repo := git.NewGitRepository(r.Path)
+	repo, err := git.OpenRepository(r.Path)
+	if err != nil {
+		return nil, err
+	}
+
+	err = repo.SetRef(ref)
+	if err != nil {
+		return nil, err
+	}
 	return repo.Commits()
 }
 
@@ -71,7 +93,10 @@ func (g *GitService) ListTags(name string) ([]*object.Tag, error) {
 	// TODO: handle nil
 	r := g.configRepo.GetByName(name)
 
-	repo := git.NewGitRepository(r.Path)
+	repo, err := git.OpenRepository(r.Path)
+	if err != nil {
+		return nil, err
+	}
 	return repo.Tags()
 }
 
@@ -79,6 +104,21 @@ func (g *GitService) ListBranches(name string) ([]*plumbing.Reference, error) {
 	// TODO: handle nil
 	r := g.configRepo.GetByName(name)
 
-	repo := git.NewGitRepository(r.Path)
+	repo, err := git.OpenRepository(r.Path)
+	if err != nil {
+		return nil, err
+	}
 	return repo.Branches()
 }
+
+func (g *GitService) GetHead(name string) (*plumbing.Reference, error) {
+	// TODO: handle nil
+	r := g.configRepo.GetByName(name)
+
+	repo, err := git.OpenRepository(r.Path)
+	if err != nil {
+		return nil, err
+	}
+
+	return repo.Head()
+}