#!/bin/sh
# Agent Hub's install: installs the newest Agent Hub for this user and opens it; running it again updates (HUB-10).
# Its line: curl -fsSL https://git.bengles.se/agent-hub/releases/raw/branch/main/install.sh | sh
# AGENT_HUB_SETUP_ARGS, when set, is added to the setup's arguments, e.g. --no-start.
agent_hub_install() {
    if [ "$(uname -s)" != Linux ] || [ "$(uname -m)" != x86_64 ]; then
        echo 'This line installs Agent Hub on Linux (x86_64). On Windows, run the PowerShell line instead.' >&2
        return 1
    fi
    glibc=$(getconf GNU_LIBC_VERSION 2>/dev/null) || glibc=
    case "${glibc#glibc }" in
    2.[0-9]|2.[12][0-9]|2.3[0-4]) echo "Agent Hub needs glibc 2.35 or newer; this system has ${glibc#glibc }." >&2; return 1 ;;
    esac
    command -v curl >/dev/null 2>&1 || { echo 'Installing Agent Hub needs curl.' >&2; return 1; }
    dir=$(mktemp -d) || return 1
    exe="$dir/agent-hub-setup-linux"
    echo 'Downloading Agent Hub...'
    status=$(curl -sSL -o "$exe" -w '%{http_code}' 'https://git.bengles.se/agent-hub/releases/releases/download/latest/agent-hub-setup-linux') || status=${status:-000}
    case "$status" in
    200) ;;
    404) echo 'Can'\''t download Agent Hub from git.bengles.se/agent-hub/releases: it has no release yet. Try again in a minute.' >&2; rm -rf "$dir"; return 1 ;;
    *) echo 'Can'\''t download Agent Hub from git.bengles.se/agent-hub/releases'" (HTTP $status). "'Try again in a minute.' >&2; rm -rf "$dir"; return 1 ;;
    esac
    chmod +x "$exe"
    echo 'Installing Agent Hub...'
    "$exe" ${AGENT_HUB_SETUP_ARGS:-} </dev/null
    code=$?
    rm -rf "$dir"
    [ "$code" -eq 0 ] || echo "Agent Hub's setup stopped: see above." >&2
    return "$code"
}
agent_hub_install