if {[file exists $pkgd(file)]} then {
      set dir $pkgd(dir); source $pkgd(file)
    }
  }

  eval lappend pkgd(dirs) \
      [lsort [glob -nocomplain -types {d} [file join $pkgd(dir) *]]]
}

set dir $pkgd(savedDir); unset -nocomplain pkgd
    }]]

    return ""
  }

    set packageIndexFileNameOnly [getPackageIndexFileName $language]

    #
    # HACK: Obtain the list of candidate temporary package directories
    #       that may need to be added to the auto-path.  The prefix we
    #       use here is considered "well-known" by this package.
    #
    set directories(1) [lsort [glob -nocomplain -types {d} \
        [file join $temporaryRootDirectory pkgd_lib_*]]]

    foreach directory(1) $directories(1) {
      set directories(2) [lsort [glob -nocomplain -types {d} \
          [file join $directory(1) *]]]

      foreach directory(2) $directories(2) {
        set directoryNameOnly(2) [file tail $directory(2)]
        set packageName $directoryNameOnly(2); # HACK: Well-known.

        if {[lsearch -exact $packageNames $packageName] == -1} then {
          if {[string length $pattern] == 0 || \