Files
esp-matter/DEVELOPER_GUIDE.md
T
Shubham Patil c697c6dedc git-hook: added keep-sorted and codespell pre-commit hooks
- keep-sorted: for sorting the lists between start/stop marker
- codespell: to fix the spelling mistakes
2026-02-20 14:10:31 +05:30

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Markdown

# Developer Guide
This guide covers the development workflow and tooling for contributors to esp-matter.
## Pre-commit Hooks
The repository uses [pre-commit](https://pre-commit.com/) to run automated checks before each commit. Following hooks are configured:
1. astyle_py — C/C++ Code Formatter
[astyle_py](https://github.com/espressif/astyle_py) enforces consistent C/C++ formatting.
The formatting rules are defined in `tools/ci/astyle-rules.yml`.
2. keep-sorted — Sorted Block Enforcer
[keep-sorted](https://github.com/google/keep-sorted) is used in documentation and
source files to maintain alphabetical ordering of lists and sections.
3. codespell — Spell Checker
[codespell](https://github.com/codespell-project/codespell) catches common
misspellings in source code, documentation, and comments.
Configuration is in `.codespellrc`.
### Setup
1. Install pre-commit
```bash
python3 -m pip install pre-commit
```
2. Install the hooks
From the repository root:
```bash
cd $ESP_MATTER_PATH
pre-commit install
```
This registers the hooks so they run automatically on `git commit`.
### Usage
Once installed, the hooks run on every `git commit` against the staged files. If a hook reformats a file, the commit is aborted — review the changes, `git add` the updated files, and commit again.
### Running locally
Run all hooks on every file in the repository:
```bash
pre-commit run --all-files
```
Run all hooks only on staged files (same as what happens on commit):
```bash
pre-commit run
```
Run a specific hook:
```bash
pre-commit run astyle_py --all-files
pre-commit run keep-sorted --all-files
pre-commit run codespell --all-files
```
Run hooks on specific files:
```bash
pre-commit run --files path/to/file.cpp path/to/other_file.h
```
Skip hooks for a one-off commit (not recommended):
```bash
git commit --no-verify
```