From 5a3a110e99e35ded8a2cefa0c6c16f505ebf99eb Mon Sep 17 00:00:00 2001
From: Matt Joiner <anacrolix@gmail.com>
Date: Wed, 28 Jan 2015 01:26:18 +1100
Subject: [PATCH] Add UpvertedFiles() to Info to make single-file torrents
 usable like multi-file torrents.

---
 metainfo/metainfo.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/metainfo/metainfo.go b/metainfo/metainfo.go
index 8d205792..919ee6af 100644
--- a/metainfo/metainfo.go
+++ b/metainfo/metainfo.go
@@ -46,6 +46,19 @@ type Info struct {
 	Files       []FileInfo `bencode:"files,omitempty"`
 }
 
+// The files field, converted up from the old single-file in the parent info
+// dict if necessary. This is a helper to avoid having to conditionally handle
+// single and multi-file torrent infos.
+func (i *Info) UpvertedFiles() []FileInfo {
+	if len(i.Files) == 0 {
+		return []FileInfo{{
+			Length: i.Length,
+			Path:   []string{i.Name},
+		}}
+	}
+	return i.Files
+}
+
 // The info dictionary with its hash and raw bytes exposed, as these are
 // important to Bittorrent.
 type InfoEx struct {
-- 
2.48.1