fix(stats): preserve whitespace in filenames

git/util.py

@@ -1107,7 +1107,7 @@ def _list_from_string(cls, repo: "Repo", text: str) -> "Stats":
                 "lines": insertions + deletions,
                 "change_type": change_type,
             }
-            hsh["files"][filename.strip()] = files_dict
+            hsh["files"][filename] = files_dict
         return Stats(hsh["total"], hsh["files"])
 
 

test/test_commit.py

@@ -17,6 +17,7 @@
 
 from git import Actor, Commit, Repo
 from git.exc import UnsafeOptionError
+from git.index.typ import BaseIndexEntry
 from git.objects.util import tzoffset, utc
 from git.repo.fun import touch
 
@@ -166,6 +167,39 @@ def check_entries(d, has_change_type=False):
         self.assertEqual(commit.committer_tz_offset, 14400, commit.committer_tz_offset)
         self.assertEqual(commit.message, "initial project\n")
 
+    @with_rw_directory
+    def test_stats_preserve_filename_spaces(self, rw_dir):
+        repo = Repo.init(rw_dir)
+        actor = Actor("Test", "test@example.com")
+        paths = ("name", " name", "name ", " name ", " ")
+        # Store blobs directly so trailing spaces work on Windows as well.
+        for multiplier, change_type in ((1, "A"), (2, "M")):
+            for count, path in enumerate(paths, 1):
+                data = b"line\n" * count * multiplier
+                blob = repo.odb.store(IStream("blob", len(data), BytesIO(data)))
+                repo.index.add([BaseIndexEntry((0o100644, blob.binsha, 0, path))])
+            commit = repo.index.commit("Update files", author=actor, committer=actor)
+            stats = commit.stats
+            assert stats.total == {"insertions": 15, "deletions": 0, "lines": 15, "files": 5}
+            assert stats.files == {
+                path: {"insertions": count, "deletions": 0, "lines": count, "change_type": change_type}
+                for count, path in enumerate(paths, 1)
+            }
+        empty_stats = repo.index.commit("No changes", author=actor, committer=actor).stats
+        assert empty_stats.files == {}
+        assert empty_stats.total == {"insertions": 0, "deletions": 0, "lines": 0, "files": 0}
+
+        # Avoid filesystem path normalization of space-only names on Windows.
+        index = repo.index
+        index.entries.clear()
+        index.write()
+        removed_stats = repo.index.commit("Remove files", author=actor, committer=actor).stats
+        assert removed_stats.files == {
+            path: {"insertions": 0, "deletions": 2 * count, "lines": 2 * count, "change_type": "D"}
+            for count, path in enumerate(paths, 1)
+        }
+        assert removed_stats.total == {"insertions": 0, "deletions": 30, "lines": 30, "files": 5}
+
     def test_renames(self):
         commit = self.rorepo.commit("185d847ec7647fd2642a82d9205fb3d07ea71715")
         files = commit.stats.files