#!/bin/bash
# Fetch the current installer first, instead of needing two runs to update it.
set -eo pipefail
ref="${1:-${MONKEYDEV_REF:-master}}"
[[ "$#" -le 1 && "$ref" =~ ^[A-Za-z0-9_./-]+$ && "$ref" != -* && "$ref" != *..* ]] || { echo "Usage: md-update [Git ref]" >&2; exit 1; }
installerSnapshot="$(mktemp -t monkeydev-update)"
trap 'rm -f "$installerSnapshot"' EXIT
if [[ -n "${MONKEYDEV_SOURCE_DIR:-}" ]]; then
    cp "$MONKEYDEV_SOURCE_DIR/bin/md-install" "$installerSnapshot"
else
    /usr/bin/curl --fail --location --silent --show-error --retry 3 --connect-timeout 20 --max-time 180 \
        --output "$installerSnapshot" "https://raw.githubusercontent.com/AloneMonkey/MonkeyDev/$ref/bin/md-install"
fi
/bin/bash -n "$installerSnapshot"
/bin/bash "$installerSnapshot" "$ref"