From f410d963cd346e03d30e60baa9647b7588a86765 Mon Sep 17 00:00:00 2001
From: James Walmsley <james@fullfat-fs.co.uk>
Date: Mon, 8 Feb 2021 19:53:35 +0000
Subject: [PATCH] Fix bug when processing diff with multiple renames.

---
 tests/samples/git_rename.diff | 14 ++++++++++++++
 tests/test_parser.py          | 20 ++++++++++++++++++--
 unidiff/patch.py              |  1 +
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/tests/samples/git_rename.diff b/tests/samples/git_rename.diff
index 6a28228..a51f4d3 100644
--- a/tests/samples/git_rename.diff
+++ b/tests/samples/git_rename.diff
@@ -11,3 +11,17 @@ index a071991..4dbab21 100644
  Some content
 -Some content
 +Some modified content
+
+diff --git a/oldfile b/newfile
+similarity index 85%
+rename from oldfile
+rename to newfile
+index a071991..4dbab21 100644
+--- a/oldfile
++++ b/newfile
+@@ -9,4 +9,4 @@ Some content
+ Some content
+ Some content
+ Some content
+-Some content
++Some modified content
diff --git a/tests/test_parser.py b/tests/test_parser.py
index 841c1c1..6403519 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -411,13 +411,29 @@ def test_git_renaming(self):
         with codecs.open(file_path, 'r', encoding='utf-8') as diff_file:
             res = PatchSet(diff_file)
 
-        self.assertEqual(len(res), 1)
+        self.assertEqual(len(res), 4)
 
         patch = res[0]
         self.assertTrue(patch.is_rename)
+        self.assertEqual(patch.added, 0)
+        self.assertEqual(patch.removed, 0)
+
+        patch = res[1]
+        self.assertFalse(patch.is_rename)
         self.assertEqual(patch.added, 1)
         self.assertEqual(patch.removed, 1)
-        self.assertEqual(len(res.modified_files), 1)
+
+        patch = res[2]
+        self.assertTrue(patch.is_rename)
+        self.assertEqual(patch.added, 0)
+        self.assertEqual(patch.removed, 0)
+
+        patch = res[3]
+        self.assertFalse(patch.is_rename)
+        self.assertEqual(patch.added, 1)
+        self.assertEqual(patch.removed, 1)
+
+        self.assertEqual(len(res.modified_files), 4)
         self.assertEqual(len(res.added_files), 0)
         self.assertEqual(len(res.removed_files), 0)
 
diff --git a/unidiff/patch.py b/unidiff/patch.py
index 009b74b..7762969 100644
--- a/unidiff/patch.py
+++ b/unidiff/patch.py
@@ -462,6 +462,7 @@ def _parse(self, diff, encoding, metadata_only):
                     patch_info, source_file, target_file, None, None,
                     is_rename=True)
                 self.append(current_file)
+                patch_info = None
                 continue
 
             # check for source file header