From 60004cfb97fe0eb64d1c8310e7c9caae96b8adbe Mon Sep 17 00:00:00 2001
From: "Gabriel A. Giovanini" <mail@gabrielgio.me>
Date: Sun, 4 Aug 2024 14:44:36 +0200
Subject: feat: Add diff view

Adds a very simple diff view for a commit
---
 pkg/service/git.go | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'pkg/service')

diff --git a/pkg/service/git.go b/pkg/service/git.go
index b368f0c..f03ba42 100644
--- a/pkg/service/git.go
+++ b/pkg/service/git.go
@@ -140,6 +140,25 @@ func (g *GitService) WriteTarGZip(w io.Writer, name, ref string, prefix string)
 	return nil
 }
 
+func (g *GitService) Diff(name, ref string) (string, error) {
+	r := g.configRepo.GetByName(name)
+	if r == nil {
+		return "", ErrRepositoryNotFound
+	}
+
+	repo, err := git.OpenRepository(r.Path)
+	if err != nil {
+		return "", err
+	}
+
+	err = repo.SetRef(ref)
+	if err != nil {
+		return "", err
+	}
+
+	return repo.Diff()
+}
+
 func (g *GitService) GetTree(name, ref, path string) (*object.Tree, error) {
 	r := g.configRepo.GetByName(name)
 	if r == nil {
-- 
cgit v1.2.3