pre-commit hook for Rust projects

pre-commit

#!/bin/sh

# Assigns stdin to keyboard - otherwise we're not able to listen to user input below.
exec < /dev/tty

message_prefix="[GIT HOOK | pre-commit]"

echo "$message_prefix Running clippy."
if ! cargo clippy
then
    read -n 1 -s -p "$message_prefix clippy still has complaints. Press [f] to run --fix or [i] to continue anyway..."$'\n' pressed_key
    if [ "$pressed_key" = "f" ]; then
        cargo clippy --fix -Z unstable-options # Only available on the nightly channel.
        echo $message_prefix" Exiting so you can add relevant fixes to the commit."
        exit 1
    elif ! [ "$pressed_key" = "i" ]; then
        exit 1
    fi
fi

echo "$message_prefix Running fmt."
if ! cargo fmt -- --check
then
    read -n 1 -s -p "$message_prefix fmt still has complaints. Press [f] to run --fix or [i] to continue anyway..."$'\n' pressed_key
    if [ "$pressed_key" = "f" ]; then
        cargo fmt
        echo $message_prefix" Exiting so you can add relevant changes to the commit."
        exit 1
    elif ! [ "$pressed_key" = "i" ]; then
        exit 1
    fi
fi

echo "$message_prefix Running tests."
if ! cargo test
then
    read -n 1 -s -p "$message_prefix Some tests are still failing. Press [i] if you don't give a fuck..."$'\n' pressed_key
    if ! [ "$pressed_key" = "i" ]; then
        exit 1
    fi
fi