tools/devshell/vendor

#!/bin/bash
# Copyright 2018 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

#### CATEGORY=Other
### forward commands to vendor/*/scripts/devshell

## usage: fx vendor <vendor-dir> [command]

source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"/lib/vars.sh || exit $?
source "$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"/lib/fx-cmd-locator.sh || exit $?

function main {
  if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
    fx-command-help
    return 0
  fi

  if [[ $# -lt 2 ]]; then
    fx-command-help

    echo >&2 "commands: "
    for d in "${FUCHSIA_DIR}"/vendor/*; do
      [[ -d "${d}/scripts/devshell" ]] || continue
      local v_name
      v_name="$(basename "$d")"
      # list all subcommands with summaries, grouped by categories
      commands vendor "${v_name}" | xargs awk \
        -v hide_contrib=${hide_contrib} \
        -v show_deprecated=${show_deprecated} \
        -v registry_tsv_file=<(list_registered_host_tools_help_records "${v_name}") \
        -f "${FUCHSIA_DIR}/scripts/fx-help.awk"
    done

    return 1
  fi

  vendor_name="$1"
  command_name="$2"
  if [[ -z "${vendor_name}" ]]; then
    fx-error "Empty vendor directory passed to 'fx vendor'"
    return 1
  fi
  local _v_lines _v_rc
  _v_lines="$(_get_registered_host_tool_lines "${command_name}" "${vendor_name}")"
  _v_rc=$?
  if [[ ${_v_rc} -eq 2 ]]; then
    return 2
  elif [[ ${_v_rc} -eq 0 ]]; then
    local -a _v_fields
    mapfile -t _v_fields <<< "${_v_lines}"
    if [[ -n "${_v_fields[0]:-}" ]]; then
      _fx_registry_log "lookup 'vendor ${vendor_name} ${command_name}': found in vendor '${vendor_name}' registry (mode=target, target=${_v_fields[0]})"
    else
      _fx_registry_log "lookup 'vendor ${vendor_name} ${command_name}': found in vendor '${vendor_name}' registry (mode=script, script=${_v_fields[1]:-})"
    fi
    fx-ensure-registered-host-tool "${command_name}" "${vendor_name}" "${_v_fields[0]:-}" "${_v_fields[1]:-}" || return $?
    _fx_apply_prebuilt_paths "$([[ "${_v_fields[2]:-false}" == "true" ]] && echo 1 || echo 0)"
    local _v_raw_cmd
    _v_raw_cmd="$(_find_registered_executable_from_entry "${command_name}" "${_v_fields[0]:-}" "${_v_fields[1]:-}" "${vendor_name}")"
    if [[ -n "${_v_raw_cmd}" ]]; then
      mapfile -t command_path <<< "${_v_raw_cmd}"
    else
      command_path=()
    fi
  else
    _fx_apply_prebuilt_paths 1
    command_path="$(commands vendor "${vendor_name}" "${command_name}")"
    if [[ -n "${command_path}" ]]; then
      if _fx_registry_log_enabled; then
        _fx_registry_log "lookup 'vendor ${vendor_name} ${command_name}': not in vendor '${vendor_name}' registry; falling back to legacy vendor path $(_relative "${command_path%%$'\n'*}")"
      fi
    else
      _fx_registry_log "lookup 'vendor ${vendor_name} ${command_name}': not found in vendor '${vendor_name}' registry or legacy paths"
    fi
    # expand metadata if it's a "*.fx" file
    command_path=( $(find_exec_from_path "${command_path}") )
  fi

  if [[ ! -x "${command_path[0]}" ]]; then
    echo >&2 "command ${command_name} not found on vendor ${vendor_name}!"
    return 1
  fi

  shift
  shift

  exec "${command_path[@]}" "$@"
}

main "$@"