install-chef

#!/bin/bash
set -euo pipefail

os="20.04"
version="21.5.420"
sha2="cbe91cee30d5d6a63f301c00549070376cb743bc6693768911f826cd68d8f523"
url="https://packages.chef.io/files/stable/chef-workstation/$version/ubuntu/$os/chef-workstation_$version-1_amd64.deb"
download_page="https://downloads.chef.io/tools/workstation?os=ubuntu"

run () {
    echo >&2 "+ $*"
    "$@"
}

basename="$(basename "$url")"
tmpdir=$(run mktemp -d --tmpdir tmp.install-chef.XXXXXXXXXX)

cd "$tmpdir"

run wget -O downloads.html "$download_page"
if grep "$version" downloads.html >/dev/null; then
    echo >&2 "Version $version appears to be latest"
else
    echo >&2 "Version $version appears to be outdated"
    echo >&2 "Find the latest here: $download_page"
    read -r -p "Press enter to continue anyway..."
fi

echo >&2 "Downloading to $tmpdir"
run wget "$url"
run sha256sum -c --strict <<< "$sha2  $basename"

run sudo dpkg -i "$basename"

cd -
run rm -r "$tmpdir"

echo >&2 "Checking installation"
run chef -v