}
    }
  }

  #
  # NOTE: This procedure sets up the default values for all configuration
  #       parameters used to interact with the OpenPGP implementation.
  #       If the force argument is non-zero, any existing values will be
  #       overwritten and set back to their default values.
  #
  proc setupRepositoryOpenPgpVars { force } {
    #
    # NOTE: This is the name of the sub-directory containing the OpenPGP
    #       implementation.  It is platform-specific.  On Windows, this
    #       sub-directory is relative to the "Program Files" directory.
    #
    variable openPgpInstalledDirectory; # DEFAULT: [file join GNU GnuPG]

      append openPgpSignCommand { --batch --yes {${fileName}}}
    }
  }

  #
  # NOTE: This procedure sets up the default values for all configuration
  #       parameters used by the package repository client.  If the force
  #       argument is non-zero, any existing values will be overwritten
  #       and set back to their default values.
  #
  proc setupPackageUnknownVars { force } {
    #
    # NOTE: What is the default set of API keys if none were set explicitly?
    #       This list is subject to change at any time -AND- may be empty or
    #       may contain non-working API keys, please do not rely on it.
    #
    variable autoApiKeys; # DEFAULT: 0000000000000000000000000000000000000000

    if {$force || ![info exists autoApiKeys]} then {
      set autoApiKeys [list 0000000000000000000000000000000000000000]
    }

    #
    # NOTE: Automatically install our [package unknown] handler when this
    #       package is loaded?
    #
    variable autoHook; # DEFAULT: true

    if {$force || ![info exists autoHook]} then {
      set autoHook true
    }

    #
    # NOTE: Automatically [tcl load] when this package is loaded from the
    #       Eagle language?
    #
    variable autoLoadTcl; # DEFAULT: <automatic>

    if {$force || ![info exists autoLoadTcl]} then {
      #
      # TODO: Better automatic detection of native Tcl installs here?
      #
      if {[isEagle] && [catch {
        tcl select -flags +TrustedOnly -robustify -architecture
      }] == 0} then {
        set autoLoadTcl true
      } else {
        set autoLoadTcl false
      }
    }

    #
    # NOTE: Automatically [package require Garuda] when this package is
    #       loaded from the Tcl language?
    #
    variable autoRequireGaruda; # DEFAULT: <automatic>

    if {$force || ![info exists autoRequireGaruda]} then {
      #
      # TODO: Better automatic detection of Garuda here?
      #
      if {![isEagle] && \
          [llength [package versions Garuda]] > 0} then {
        set autoRequireGaruda true
      } else {
        set autoRequireGaruda false
      }
    }

    #
    # NOTE: The command to use when creating Harpy signatures for downloaded
    #       package scripts.
    #
    variable harpySignCommand; # DEFAULT: {${shellFileName}} -file ...

    if {$force || ![info exists harpySignCommand]} then {
      set harpySignCommand ""

      append harpySignCommand {{${shellFileName}}}
      append harpySignCommand { -noArgumentsFileName -file {${toolFileName}}}
      append harpySignCommand { {${scriptFileName}} {${vendor}}}
    }

    #
    # NOTE: Verify that the package script matches the current language
    #       when called from the [package unknown] handler?
    #
    variable strictUnknownLanguage; # DEFAULT: true

    if {$force || ![info exists strictUnknownLanguage]} then {
      set strictUnknownLanguage true
    }

    #
    # NOTE: Emit diagnostic messages when a [package unknown] handler
    #       is called?
    #
    variable verboseUnknownResult; # DEFAULT: false

    if {$force || ![info exists verboseUnknownResult]} then {
      set verboseUnknownResult false
    }

    #
    # NOTE: Emit diagnostic messages when a URI is fetched?
    #
    variable verboseUriDownload; # DEFAULT: false

    if {$force || ![info exists verboseUriDownload]} then {
      set verboseUriDownload false
    }
  }

  #
  # NOTE: This procedure is the primary entry point to the package repository
  #       client.  It attempts to lookup the specified package using the

  setupRepositoryServerVars false
  setupRepositoryUriVars false

  #
  # NOTE: Setup the OpenPGP implementation related variables, in this
  #       namespace, that are used by this script.
  #
  setupRepositoryOpenPgpVars false

  #
  # NOTE: Setup the variables, within this namespace, used by this script.
  #
  setupPackageUnknownVars false

  #
  # NOTE: Setup for our [package unknown] handler, which may involve a few
  #       different operations.
  #
  setupPackageUnknownHandler

  #
  # NOTE: Provide the package to the interpreter.
  #
  package provide Eagle.Package.Repository 1.0.9
}