Fix reading git notes from nested trees (#8026)

* Fix reading notes from nested trees

The GIT documentation for notes states "Permitted pathnames have the
form ab/cd/ef/.../abcdef...: a sequence of directory names of two
hexadecimal digits each followed by a filename with the rest of
the object ID."

* Add test case

* Fix new lines

1 files changed, 14 insertions, 0 deletions

diff --git a/modules/git/notes_test.go b/modules/git/notes_test.go
index a954377f54..bf010b9a71 100644
--- a/modules/git/notes_test.go
+++ b/modules/git/notes_test.go
@@ -22,3 +22,17 @@ func TestGetNotes(t *testing.T) {
 	assert.Equal(t, []byte("Note contents\n"), note.Message)
 	assert.Equal(t, "Vladimir Panteleev", note.Commit.Author.Name)
 }
+
+func TestGetNestedNotes(t *testing.T) {
+	repoPath := filepath.Join(testReposDir, "repo3_notes")
+	repo, err := OpenRepository(repoPath)
+	assert.NoError(t, err)
+
+	note := Note{}
+	err = GetNote(repo, "3e668dbfac39cbc80a9ff9c61eb565d944453ba4", &note)
+	assert.NoError(t, err)
+	assert.Equal(t, []byte("Note 2"), note.Message)
+	err = GetNote(repo, "ba0a96fa63532d6c5087ecef070b0250ed72fa47", &note)
+	assert.NoError(t, err)
+	assert.Equal(t, []byte("Note 1"), note.Message)
+}