From cdcb128cde19296af34194ca6b77022ad004d915 Mon Sep 17 00:00:00 2001
From: Pierre-Yves Chibon <pingou@pingoured.fr>
Date: Apr 17 2014 16:15:47 +0000
Subject: Sometime commits cannot be found


---

diff --git a/progit/repo.py b/progit/repo.py
index b87f687..b70a81b 100644
--- a/progit/repo.py
+++ b/progit/repo.py
@@ -70,9 +70,12 @@ def view_repo(repo, username=None):
         if not repo_obj.is_empty and not orig_repo.is_empty:
             orig_commit = orig_repo[orig_repo.head.target]
             repo_commit = repo_obj[repo_obj.head.target]
-            diff = repo_obj.diff(
-                repo_obj.revparse_single(orig_commit.oid.hex),
-                repo_obj.revparse_single(repo_commit.oid.hex))
+            try:
+                diff = repo_obj.diff(
+                    repo_obj.revparse_single(orig_commit.oid.hex),
+                    repo_obj.revparse_single(repo_commit.oid.hex))
+            except KeyError:
+                pass
             for commit in repo_obj.walk(
                     repo_obj.head.target, pygit2.GIT_SORT_TIME):
                 if commit.oid.hex == orig_commit.oid.hex: