Run lints at pre-commit

Install a hook to run lints at pre-commit to force issues to be fixed
during development.

This introduces a 5-10 second delay when committing due to how slow
clang-format is.

Signed-off-by: Tim Crawford <tcrawford@system76.com>

Makefile

@@ -76,3 +76,8 @@ clean:
 .PHONY: lint
 lint:
 	./scripts/lint/lint.sh
+
+.PHONY: git-config
+git-config:
+	$(eval HOOKS = "$(shell git rev-parse --git-dir)/hooks")
+	ln -sfrv scripts/hooks/pre-commit.sh "$(HOOKS)/pre-commit"

scripts/deps.sh

@@ -66,6 +66,9 @@ fi
 msg "Initializing submodules"
 git submodule update --init --recursive
 
+msg "Installing git hooks"
+make git-config
+
 RUSTUP_NEW_INSTALL=0
 if which rustup &> /dev/null; then
     msg "Updating rustup"

scripts/hooks/pre-commit.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: GPL-3.0-only
+
+make lint 2>/dev/null || {
+    echo -e "\nissues found, not committing"
+    exit 1
+}