feat: add git commit hooks to automatically run find . \( -name '*.c' -o -name '*.h' \) -print0 | xargs -0 clang-format -i and Linting with compiler warnings...

Lint passed!

Author: ohkimur

CONTRIBUTING.md

@@ -7,10 +7,9 @@ Thanks for your interest in contributing! This guide will help you get started.
 1. Fork and clone the repository
 2. Create a new branch: `git checkout -b my-fix`
 3. Make your changes
-4. Format your code: `make format`
-5. Test your changes: `make`
-6. Commit and push
-7. Open a pull request
+4. Build: `make` (this also installs git hooks automatically)
+5. Commit and push (the git commit hook will check formatting and lint)
+6. Open a pull request
 
 ## Requirements
 
@@ -50,11 +49,14 @@ sudo dnf install clang-tools-extra
 | `make format-check` | Check formatting (used by CI) |
 | `make lint` | Run linter checks |
 | `make check` | Run all checks (format + lint) |
+| `make install-hooks` | Install git pre-commit hook (runs automatically) |
 | `make clean` | Remove compiled files |
 
 ## Before Submitting
 
-Please run these commands before submitting a pull request:
+Git hooks are installed automatically when you run `make`, so formatting and linting checks will run before each commit.
+
+You can also run checks manually:
 
 ```shell
 make format   # Format your code

Makefile

@@ -6,7 +6,7 @@ EXECS = $(SOURCES:%.c=%)
 LDLIBS = -lm
 CFLAGS = -Wall -Wextra -Wpedantic
 
-all: $(EXECS)
+all: install-hooks $(EXECS)
 
 lint:
 	@echo "Linting with compiler warnings..."
@@ -23,11 +23,18 @@ format-check:
 
 check: format-check lint
 
+install-hooks:
+	@if [ -d .git ] && [ ! -f .git/hooks/pre-commit ]; then \
+		cp scripts/pre-commit .git/hooks/pre-commit; \
+		chmod +x .git/hooks/pre-commit; \
+		echo "Pre-commit hook installed."; \
+	fi
+
 clean:
 	@for f in $(EXECS) $(DEBUG_FILES); do \
 		if [ -e "$$f" ] || [ -d "$$f" ]; then \
 			rm -rf "$$f" && echo "Removed: $$f"; \
 		fi; \
 	done
 
-.PHONY: all lint format format-check check clean
+.PHONY: all lint format format-check check install-hooks clean