From 102977664efe75d1b7f35e20caf82bb1fad5033f Mon Sep 17 00:00:00 2001
From: Twentysix <Twentysix26@users.noreply.github.com>
Date: Sat, 7 Jan 2017 17:15:56 +0100
Subject: [PATCH] [Downloader] Allow branches to be specified on repo add

Example URL:
`https://github.com/Author/Repo@branch`
---
 cogs/downloader.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/cogs/downloader.py b/cogs/downloader.py
index b86724584..cdf01ea40 100644
--- a/cogs/downloader.py
+++ b/cogs/downloader.py
@@ -548,7 +548,13 @@ class Downloader:
                 url = self.repos[name].get('url')
                 if not url:
                     raise UpdateError("Need to clone but no URL set")
-                p = run(["git", "clone", url, dd + name])
+                branch = None
+                if "@" in url: # Specific branch
+                    url, branch = url.rsplit("@", maxsplit=1)
+                if branch is None:
+                    p = run(["git", "clone", url, dd + name])
+                else:
+                    p = run(["git", "clone", "-b", branch, url, dd + name])
                 if p.returncode != 0:
                     raise CloningError()
                 self.populate_list(name)