#!/usr/bin/env bash
# Entrypoint for the helpers scripts
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )

if [[ -n "${1:-}" ]]; then
    # helpers version can be passed as first when sourcing.
    YNH_HELPERS_VERSION="$1"
else
    # ...or as environment variable set from manifest
    # ...or default to 1
    YNH_HELPERS_VERSION=${YNH_HELPERS_VERSION:-1}
fi

# This is a trick to later only restore set -x if it was set when calling this script
readonly XTRACE_ENABLE=$(set +o | grep xtrace)
set +x

YNH_HELPERS_DIR="$SCRIPT_DIR/helpers.v${YNH_HELPERS_VERSION}.d"
case "$YNH_HELPERS_VERSION" in
    1)
        readarray -t HELPERS < <(find "$YNH_HELPERS_DIR" -mindepth 1 -maxdepth 1 -type f)
        for helper in "${HELPERS[@]}"; do
            [ -r "$helper" ] && source "$helper"
        done
        ;;
    *)
        echo "Helpers are not available in version '$YNH_HELPERS_VERSION'." >&2
        exit 1
esac

eval "$XTRACE_ENABLE"