fix(autocompletion): preserve # in gitignore patterns like *#*#

tests/autocompletion/test_ignore_rules.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from vibe.core.autocompletion.file_indexer.ignore_rules import IgnoreRules
+
+
+def test_gitignore_pattern_with_hash_is_not_treated_as_comment(tmp_path: Path) -> None:
+    (tmp_path / ".gitignore").write_text("*#*#\n", encoding="utf-8")
+    (tmp_path / "README.md").write_text("hello", encoding="utf-8")
+    (tmp_path / "foo#bar#").write_text("autosave", encoding="utf-8")
+
+    rules = IgnoreRules()
+    rules.ensure_for_root(tmp_path)
+
+    assert not rules.should_ignore("README.md", "README.md", is_dir=False)
+    assert rules.should_ignore("foo#bar#", "foo#bar#", is_dir=False)
+
+
+def test_gitignore_inline_comment_after_whitespace_is_still_stripped(
+    tmp_path: Path,
+) -> None:
+    (tmp_path / ".gitignore").write_text("*.log  # build artifacts\n", encoding="utf-8")
+    (tmp_path / "app.log").write_text("log", encoding="utf-8")
+    (tmp_path / "app.txt").write_text("text", encoding="utf-8")
+
+    rules = IgnoreRules()
+    rules.ensure_for_root(tmp_path)
+
+    assert rules.should_ignore("app.log", "app.log", is_dir=False)
+    assert not rules.should_ignore("app.txt", "app.txt", is_dir=False)

vibe/core/autocompletion/file_indexer/ignore_rules.py

@@ -122,7 +122,8 @@ def _build_patterns(self, root: Path) -> list[CompiledPattern]:
                 if not raw or raw.startswith("#"):
                     continue
 
-                if "#" in raw:
+                hash_index = raw.find("#")
+                if hash_index > 0 and raw[hash_index - 1].isspace():
                     raw = raw.split("#", 1)[0].rstrip()
                     if not raw:
                         continue