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# Add .gitignore-Aware File Filtering to gemini-cli

This pull request introduces .gitignore-based file filtering to the gemini-cli, ensuring that git-ignored files are automatically excluded from file-related operations and suggestions throughout the CLI. The update enhances usability, reduces noise from build artifacts and dependencies, and provides new configuration options for fine-tuning file discovery.

Key Improvements
.gitignore File Filtering

All @ (at) commands, file completions, and core discovery tools now honor .gitignore patterns by default.
Git-ignored files (such as node_modules/, dist/, .env, and .git) are excluded from results unless explicitly overridden.
The behavior can be customized via a new fileFiltering section in settings.json, including options for:
Turning .gitignore respect on/off.
Adding custom ignore patterns.
Allowing or excluding build artifacts.
Configuration & Documentation Updates

settings.json schema extended with fileFiltering options.
Documentation updated to explain new filtering controls and usage patterns.
Testing

New and updated integration/unit tests for file filtering logic, configuration merging, and edge cases.
Test coverage ensures .gitignore filtering works as intended across different workflows.
Internal Refactoring

Core file discovery logic refactored for maintainability and extensibility.
Underlying tools (ls, glob, read-many-files) now support git-aware filtering out of the box.


Co-authored-by: N. Taylor Mullen <ntaylormullen@google.com>
This commit is contained in:
Keith Ballinger
2025-06-03 21:40:46 -07:00
committed by GitHub
parent d85f09ac51
commit c313762ba0
29 changed files with 1934 additions and 45 deletions
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docs/cli/configuration.md
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@@ -42,6 +42,22 @@ When you create a `.gemini/settings.json` file for project-specific settings, or
- **Default:** `GEMINI.md`
- **Example:** `"contextFileName": "AGENTS.md"`
- **`fileFiltering`** (object, optional):
- **Description:** Controls git-aware file filtering behavior for @ commands and file discovery tools.
- **Properties:**
- **`respectGitIgnore`** (boolean, default: `true`): Whether to respect .gitignore patterns when discovering files. When enabled, git-ignored files (like `node_modules/`, `dist/`, `.env`) are automatically excluded from @ commands and file listing operations.
- **`customIgnorePatterns`** (array of strings, default: `[]`): Additional patterns to ignore beyond git-ignored files. Useful for excluding specific directories or file types.
- **`allowBuildArtifacts`** (boolean, default: `false`): Whether to include build artifacts and generated files in file discovery operations.
- **Example:**
```json
"fileFiltering": {
"respectGitIgnore": true,
"customIgnorePatterns": ["temp/", "*.log"],
"allowBuildArtifacts": false
}
```
- **`coreTools`** (array of strings, optional):
- **Description:** Allows you to specify a list of core tool names that should be made available to the model. This can be used to restrict or customize the set of built-in tools.
- **Example:** `"coreTools": ["ReadFileTool", "GlobTool", "SearchText"]`.