run.sh

#!/usr/bin/env sh

set -eu

# Path to current directory
SCRIPT_DIR="$(dirname "$0")"

# Make sure HELM_BIN is set (normally by the helm command)
HELM_BIN="${HELM_BIN:-helm}"

# shellcheck source=scripts/lib/log.sh
. "${SCRIPT_DIR}/lib/log.sh"

# shellcheck source=scripts/lib/is_help.sh
. "${SCRIPT_DIR}/lib/is_help.sh"

# shellcheck source=scripts/lib/file_uri_substitution.sh
. "${SCRIPT_DIR}/lib/file_uri_substitution.sh"

# shellcheck source=scripts/lib/repository.sh
. "${SCRIPT_DIR}/lib/repository.sh"

# shellcheck source=scripts/lib/file.sh
. "${SCRIPT_DIR}/lib/file.sh"

_trap_hook() {
    true
}

_trap() {
    _trap_hook
}

trap _trap EXIT

usage() {
    cat <<EOF
Repeatable configuration scheme for Helm Charts

This plugin provides a convenient way to manage a set of configuration scheme
And allow to use those defined scheme in your chart operations

Available Commands:
  add     Create a new configuration scheme
  edit    Edit a configuration scheme
  list    List existing configuration scheme
  remove  Remove a configuration scheme
  view    View a configuration scheme

Configuration scheme usage with : 'config://<scheme-name>'
EOF
}

_parent_process_command() {
    if [ "$(uname)" = "Darwin" ]; then
        ps -p "${PPID}" -o command=
    elif [ "$(uname)" = "Linux" ]; then
        if [ -f /proc/${PPID}/cmdline ]; then
            xargs -0 </proc/${PPID}/cmdline
            echo
        else
            ps -p "${PPID}" -o command=
        fi
    fi
}

while true; do
    case "${1:-}" in
    add | edit | list | remove | view)
        # shellcheck disable=SC1090
        . "${SCRIPT_DIR}/commands/${1}.sh"

        if is_help "${2:-}"; then
            "${1}_usage"
            exit 0
        fi

        "${@}"
        break
        ;;
    downloader)
        # command certFile keyFile caFile full-URL
        if [ $# -le 4 ]; then
            log_error "[downloader] invalid usage, please refer to https://helm.sh/docs/topics/plugins/#downloader-plugins"
            exit 1
        fi
        # shellcheck source=scripts/commands/downloader.sh
        . "${SCRIPT_DIR}/commands/downloader.sh"

        # retrieve original helm command line
        HELM_COMMAND="$(_parent_process_command)"

        # It's always the 5th parameter
        downloader "${5}" "${HELM_COMMAND}"
        break
        ;;
    --help | -h | help)
        usage
        break
        ;;
    --quiet | -q)
        # shellcheck disable=SC2034
        QUIET=true
        ;;
    "")
        usage
        exit 1
        ;;
    esac

    shift
done

exit 0