#!/usr/bin/env bash

app='gh-cli'

current_version=$(gh --version >&/dev/null | grep -oEm1 'v[0-9\.]+')
current_version=${current_version#v}

if [ -z "$current_version" ]; then
    current_version=0.0.0
    echo "$app: not installed"
else
    echo "$app: found $current_version"
fi

version=$(curl -s "https://api.github.com/repos/cli/cli/releases" | grep -oEm1 'v[0-9\.]+')
version=${version#v}

if [[ "$version" == "$current_version" ]]; then
    echo "$app: up-to-date"
else
    echo "$app: new version found $version"

    arch="$(dpkg --print-architecture)"
    arch="${arch/hf/v6}"

    tempdir="$(mktemp -d)"

    echo "$app: downloading..."

    curl -sSLo "${tempdir}/gh_${version}_linux_${arch}.deb" "https://github.com/cli/cli/releases/download/v${version}/gh_${version}_linux_${arch}.deb"

    echo "$app: installing..."

    sudo apt-get install "${tempdir}/gh_${version}_linux_${arch}.deb"

    if [ $? -ne 0 ]; then
        echo "$app: Failed to install"
    else
        echo "$app: installed"
    fi

    rm -rf $tempdir
fi