From cd93380190440812b21650d3bb7969887e319d50 Mon Sep 17 00:00:00 2001
From: Sviatoslav Sydorenko <wk@sydorenko.org.ua>
Date: Tue, 22 Jul 2025 00:43:55 +0200
Subject: [PATCH] Add Ruff as a formatter

It's complimented by `add-trailing-comma` for better readability and
uses a double run to settle one the final format seamlessly.
---
 .pre-commit-config.yaml | 26 ++++++++++++++++++++++++++
 .ruff.toml              |  4 ++++
 2 files changed, 30 insertions(+)
 create mode 100644 .pre-commit-config.yaml
 create mode 100644 .ruff.toml

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..b1b576b
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,26 @@
+---
+
+ci:
+  autoupdate_schedule: quarterly  # low frequency to reduce maintenance noise
+
+repos:
+- repo: https://github.com/astral-sh/ruff-pre-commit.git
+  rev: v0.12.4
+  hooks:
+  - id: ruff-format
+    alias: ruff-format-first-pass
+    name: ruff-format (first pass)
+
+- repo: https://github.com/asottile/add-trailing-comma.git
+  rev: v3.2.0
+  hooks:
+  - id: add-trailing-comma
+
+- repo: https://github.com/astral-sh/ruff-pre-commit.git
+  rev: v0.12.4
+  hooks:
+  - id: ruff-format
+    alias: ruff-format-second-pass
+    name: ruff-format (second pass)
+
+...
diff --git a/.ruff.toml b/.ruff.toml
new file mode 100644
index 0000000..ba4cd7d
--- /dev/null
+++ b/.ruff.toml
@@ -0,0 +1,4 @@
+line-length = 79  # Accessibility-friendly
+
+[format]
+quote-style = "single"