#!/usr/bin/env bash

_usage() {
    printf '%s\n' "usage: ${0##*/} <url>
usage: ${0##*/} --help

Clone a repository in a particular directory."
}

if (( $# == 0 )); then
    _usage
    exit 0
fi

for arg; do
    if [ "$arg" = '-h' ] || [ "$arg" = '--help' ]; then
        _usage
        exit 0
    fi
done

url=$1
if ! shift; then
    printf 'ERROR: Failed to shift' >&2
    exit 1
fi

clone_path=$(git config --get git-extras.get.clone-path)

if [ -z "$clone_path" ]; then
    printf 'ERROR: %s\n' "Git configuration key 'git-extras.get.clone-path' must be set to a directory to clone under" >&2
    exit 1
fi

dirname=${url%/}
dirname=${url%.git}
dirname=${dirname##*/}

mkdir -p "$clone_path"
git clone "$url" "$clone_path/$dirname" "$@"