A git pre-commit hook to make sure your Rust code is properly formatted and the tests pass, so you never commit bad code

pre-commit

#!/bin/bash

check_char='\xE2\x9C\x93'
cross_char='\xE2\x9D\x8C'
green='\033[0;32m'
red='\033[0;31m'
nc='\033[0m'
check="$green$check_char$nc"
cross="$red$cross_char$nc"
errors=0

echo -n "Checking formatting... "
if diff=$(cargo fmt -- --check --color always 2>&1); then
	echo -e "$check"
else
	echo -e "$cross"
	echo "Rust formatting checking failed. Show checking report? (y/n)"
	read printrep
	if [ "$printrep" == "y" ]; then
		echo -e "$diff"
	fi
	errors=1
fi

echo -n "Running tests... "
if result=$(cargo test --color always 2>&1); then
	echo -e "$check"
else
	echo -e "$cross"
	echo "$result"
	errors=1
fi

if [ "$errors" != "0" ]; then
	echo "Failed"
	exit -1
else
	echo "OK"
fi