setup

#!/bin/bash

function cmd_missing() {
    if command -v "$1" &>/dev/null ; then
        return 1
    fi
    echo "Command missing:" $1
    return 0
}

function warn_cmd_and_exit() {
    echo "Warning: $1 is not installed. $2"
    exit 1
}

function assert_cmd_exists() {
    if cmd_missing "$1" ; then
        warn_cmd_and_exit "$1" "$2"
    fi
}

assert_cmd_exists "cargo" "This project uses cargo and rustc to build its binaries. Please install cargo and rustc at https://www.rust-lang.org/tools/install."
assert_cmd_exists "git" "git is not installed. Please install it."
assert_cmd_exists "gh" "gh is not installed. This project uses gh to pull GitHub issues. Please install it at https://cli.github.com/ or https://github.com/cli/cli."

if [ ! -d "./unidiff-rs" ]; then
    git submodule update --init --recursive
fi