feat: Add archive capability

1 files changed, 25 insertions, 0 deletions

diff --git a/pkg/service/git.go b/pkg/service/git.go
index 6bb6e9e..cbee90a 100644
--- a/pkg/service/git.go
+++ b/pkg/service/git.go
@@ -1,7 +1,9 @@
 package service
 
 import (
+	"compress/gzip"
 	"errors"
+	"io"
 	"log/slog"
 
 	"git.gabrielgio.me/cerrado/pkg/config"
@@ -92,6 +94,29 @@ func (g *GitService) ListCommits(name, ref string, count int) ([]*object.Commit,
 	return repo.Commits(count)
 }
 
+func (g *GitService) WriteTarGZip(w io.Writer, name, ref string, filename string) error {
+	r := g.configRepo.GetByName(name)
+	if r == nil {
+		return RepositoryNotFoundErr
+	}
+
+	repo, err := git.OpenRepository(r.Path)
+	if err != nil {
+		return err
+	}
+
+	err = repo.SetRef(ref)
+	if err != nil {
+		return err
+	}
+
+	gw := gzip.NewWriter(w)
+	defer gw.Close()
+
+	return repo.WriteTar(gw, filename)
+
+}
+
 func (g *GitService) GetTree(name, ref, path string) (*object.Tree, error) {
 	r := g.configRepo.GetByName(name)
 	if r == nil {