From 6e50148bcd16cd528e04b6235286d3ec3a473c1a Mon Sep 17 00:00:00 2001
From: Se7enZ <se7enZ@protonmail.com>
Date: Sun, 1 Dec 2024 13:52:59 +0100
Subject: [PATCH] devtools: Add discouraged function check to pre-commit.

Reimplements `make check-discouraged-functions` for Python regex.
---
 .pre-commit-config.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b9a482601..0f8dc272e 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -28,3 +28,11 @@ repos:
       entry: (->|\.)(milli)?satoshis(?!.*\/\*\ Raw:)|(?<!sizeof)\(struct\ amount_(m)?sat\)
       types: [ c ]
       exclude: common/amount|.*/test/.*
+
+    # Reimplementation of `make check-discouraged-functions` for pygrep.
+    - id: check-discouraged-functions
+      name: Check for usage of discouraged funtions
+      language: pygrep
+      entry: '[^a-z_/](?:fgets|fputs|gets|scanf|sprintf)\('
+      types: [ c ]
+      exclude: ccan|contrib