#
namespace eval ::PackageDownloader {
  #
  # NOTE: This procedure sets up the default values for all configuration
  #       parameters used by the package downloader client.  There are no
  #       arguments.
  #
  proc setupDownloadVars { script } {
    #
    # NOTE: What is the fully qualified path to the directory containing the
    #       package downloader client?
    #
    variable clientDirectory

    if {![info exists clientDirectory]} then {
      set clientDirectory [file dirname $script]
    }

    #
    # NOTE: Prevent progress messages from being displayed while downloading
    #       from the repository, etc?  By default, this is enabled.
    #
    variable quiet; # DEFAULT: true

    if {![info exists quiet]} then {

    if {![info exists downloadUri]} then {
      set downloadUri {${baseUri}?download&ci=trunk&filename=${fileName}}
    }

    #
    # NOTE: The root directory where any persistent packages will be saved.
    #
    variable persistentRootDirectory; # DEFAULT: [getPersistentRootDirectory]

    if {![info exists persistentRootDirectory]} then {
      set persistentRootDirectory [getPersistentRootDirectory]
    }

    #
    # NOTE: The root directory where any temporary packages will be written.
    #
    variable temporaryRootDirectory; # DEFAULT: [getFileTempDirectory PKGD_TEMP]

    if {![info exists temporaryRootDirectory]} then {
      set temporaryRootDirectory \
          [::PackageRepository::getFileTempDirectory PKGD_TEMP]
    }
  }

  #
  # NOTE: This procedure returns the root directory where any packages that
  #       are downloaded should be saved to permanent storage for subsequent
  #       use.  There are no arguments.
  #
  proc getPersistentRootDirectory {} {
    #
    # NOTE: Return a directory parallel to the one containing the library
    #       directory.
    #
    return [file join [file dirname [info library]] pkgd]
  }

  #
  # NOTE: This procedure returns non-zero if the specified file seems to be
  #       an OpenPGP signature file.  The fileName argument is the name of
  #       the file to check, which may or may not exist.
  #
  proc isPgpSignatureFileName { fileName } {
    if {[string length $fileName] == 0} then {
      return false
    }

    set extension [file extension $fileName]

    if {$extension eq ".asc"} then {
      if {[file exists $fileName]} then {
        return [::PackageRepository::isPgpSignature [readFile $fileName]]
      } else {
        return true
      }
    } else {
      return false
    }
  }

  #
  # NOTE: This procedure returns non-zero if the specified file seems to be
  #       a Harpy script certificate file.  The fileName argument is the name
  #       of the file to check, which may or may not exist.
  #
  proc isHarpyCertificateFileName { fileName } {
    if {[string length $fileName] == 0} then {
      return false
    }

    set extension [file extension $fileName]

    if {$extension eq ".harpy"} then {
      if {[file exists $fileName]} then {
        return [::PackageRepository::isHarpyCertificate [readFile $fileName]]
      } else {
        return true
      }
    } else {
      return false
    }
  }

  #
  # NOTE: This procedure adds a directory to the auto-path of the specified
  #       language (i.e. native Tcl or Eagle).  The directory will not be
  #       added if it is already present.  The language argument must be the
  #       literal string "eagle" or the literal string "tcl".  The directory
  #       argument is the fully qualified path for the directory to add to

        }
      }
    } else {
      error "unsupported language, no idea how to modify auto-path"
    }
  }

  #
  # NOTE: This procedure downloads a single file from the package file server,
  #       writing its contents to the specified local file name.  It can also
  #       verify the PGP signatures.  When a PGP signature file is
  #       downloaded, this procedure assumes the corresponding data file was
  #       already downloaded (i.e. since OpenPGP needs both to perform the
  #       signature checks).  The language argument must be one of the
  #       literal strings "eagle", "tcl", or "client".  The version argument
  #       must be one of the literal strings "8.4", "8.5", or "8.6" when the
  #       language is "tcl" -OR- the literal string "1.0" when the language
  #       is either "eagle" or "client".  The fileName argument is a file
  #       name relative to the language and version-specific directory on the
  #       package file server.  The localFileName argument is the file name
  #       where the downloaded file should be written.  The usePgp argument
  #       should be non-zero when an OpenPGP signature file needs to be
  #       downloaded and verified for the downloaded file.
  #
  proc downloadOneFile { language version fileName localFileName usePgp } {
    variable baseUri
    variable downloadUri
    variable quiet

    #
    # NOTE: First, build the full relative file name to download from
    #       the remote package repository.
    #
    set fileName [file join $language $version $fileName]
    set uri [subst $downloadUri]

    #
    # NOTE: Then, in one step, download the file from the package file
    #       server and write it to the specified local file.
    #
    if {[isEagle]} then {
      writeFile $localFileName [interp readorgetscriptfile -- "" $uri]
    } else {
      writeFile $localFileName \
          [::PackageRepository::getFileViaHttp $uri 10 stdout $quiet]
    }

    #
    # NOTE: Is use of OpenPGP for signature verification enabled?  Also,
    #       did we just download an OpenPGP signature file?
    #
    if {$usePgp && [isPgpSignatureFileName $localFileName]} then {
      #
      # NOTE: Attempt to verify the OpenPGP signature.  If this fails,
      #       an error is raised.
      #
      if {![::PackageRepository::verifyPgpSignature $localFileName]} then {
        error [appendArgs \
            "bad PGP signature \"" $localFileName \"]
      }
    }
  }

  #
  # NOTE: This procedure attempts to download a list of files, optionally
  #       persistening them for subsequent uses by the target language.
  #       The language argument must be one of the literal strings "eagle",
  #       "tcl", or "client".  The version argument must be one of the
  #       literal strings "8.4", "8.5", or "8.6" when the language is "tcl"
  #       -OR- the literal string "1.0" when the language is either "eagle"
  #       or "client".  The fileNames argument must be a well-formed list
  #       of file names to download, each one relative to the language and
  #       version-specific directory on the package file server.  The
  #       persistent argument should be non-zero if the downloaded files
  #       should be saved to permanent storage for subsequent use.  The
  #       usePgp argument should be non-zero when an OpenPGP signature file
  #       needs to be downloaded and verified for each downloaded file.  The
  #       useAutoPath argument should be non-zero to modify the auto-path
  #       to include the temporary or persistent directories containing
  #       the downloaded files.
  #
  # <public>
  proc downloadFiles {
          language version fileNames persistent usePgp useAutoPath } {
    variable clientDirectory

    variable persistentRootDirectory
    variable temporaryRootDirectory

    set client false

    if {[string length $language] == 0 || $language eq "eagle"} then {
      if {$version ne "1.0"} then {
        error "unsupported Eagle version"
      }
    } elseif {$language eq "tcl"} then {
      if {$version ne "8.4" && $version ne "8.5" && $version ne "8.6"} then {
        error "unsupported Tcl version"
      }
    } elseif {$language eq "client"} then {
      if {$version ne "1.0"} then {
        error "unsupported client version"
      }

      set client true

    } else {
      error "unsupported language"

    }



    set temporaryDirectory [file join $temporaryRootDirectory \
        [appendArgs pkgd_ [string trim [pid] -] _ [string trim \
        [clock seconds] -]]]


    if {$client} then {
      set persistentDirectory $clientDirectory
    } else {


      set persistentDirectory $persistentRootDirectory


    }

    set downloadedFileNames [list]

    foreach fileName $fileNames {
      if {[string length $fileName] == 0 || \
          [file pathtype $fileName] ne "relative"} then {
        error [appendArgs \
            "bad file name \"" $fileName "\", not relative"]
      }

      set directoryParts [file split [file dirname $fileName]]

      if {[llength $directoryParts] == 0} then {
        error [appendArgs \
            "bad file name \"" $fileName "\", no directory parts"]
      }

      set directory(temporary) [file normalize [eval \
          file join [list $temporaryDirectory] $directoryParts]]

      set directory(persistent) [file normalize [eval \
          file join [list $persistentDirectory] $directoryParts]]

      set fileNameOnly [file tail $fileName]

      set downloadFileName [file normalize [file join \
          $directory(temporary) $fileNameOnly]]

      if {[file exists $downloadFileName]} then {
        error [appendArgs \
            "temporary file name \"" $downloadFileName \
            "\" already exists"]
      }

      file mkdir [file dirname $downloadFileName]
      downloadOneFile $language $version $fileName $downloadFileName $usePgp

      lappend downloadedFileNames [list \


          $fileNameOnly $directory(temporary) $directory(persistent)]

      if {$usePgp && ![isPgpSignatureFileName $downloadFileName]} then {
        downloadOneFile $language $version [appendArgs $fileName .asc] \
            [appendArgs $downloadFileName .asc] $usePgp


        lappend downloadedFileNames [list \
            [appendArgs $fileNameOnly .asc] $directory(temporary) \
            $directory(persistent)]
      }
    }




    set downloadDirectories [list]


    foreach downloadedFileName $downloadedFileNames {
      set directory(temporary) [lindex $downloadedFileName 1]

      if {$persistent} then {
        set fileNameOnly [lindex $downloadedFileName 0]


        set directory(persistent) [lindex $downloadedFileName 2]


        file mkdir $directory(persistent)





        file copy -- \
            [file join $directory(temporary) $fileNameOnly] \
            [file join $directory(persistent) $fileNameOnly]

        lappend downloadDirectories $directory(persistent)
      } else {
        lappend downloadDirectories $directory(temporary)
      }
    }

    set downloadDirectories [lsort -unique $downloadDirectories]

    if {$useAutoPath} then {
      foreach downloadDirectory $downloadDirectories {
        addToAutoPath $language $downloadDirectory

  #       one or more of the variable setup in the next step.
  #
  ::PackageRepository::maybeReadSettingsFile [info script]

  #
  # NOTE: Setup the variables, within this namespace, used by this script.
  #
  setupDownloadVars [info script]

  #
  # NOTE: Provide the package to the interpreter.
  #
  package provide Eagle.Package.Downloader \
    [expr {[isEagle] ? [info engine PatchLevel] : "1.0"}]
}

    THE ASSOCIATED SOFTWARE MAY NOT WORK PROPERLY IF THIS FILE IS ALTERED.
-->
<Certificate xmlns="https://eagle.to/2011/harpy"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <Protocol>None</Protocol>
  <Vendor>Mistachkin Systems</Vendor>
  <Id>2cf31dc5-d48b-44f1-afad-103b81c554ef</Id>
  <HashAlgorithm>SHA512</HashAlgorithm>
  <EntityType>Script</EntityType>
  <TimeStamp>2016-08-19T19:13:42.5234844Z</TimeStamp>
  <Duration>-1.00:00:00</Duration>
  <Key>0x2c322765603b5278</Key>
  <Signature>
    F2AmzOfG32K6r6W4k1oC5iIm/NKFrBb7Grdwc7jMYHna6N0BU5l62voPJPSNDZazj7XRCYebg6yj
    XHSRP68dY3aatxhQSoqvavirr1OZ/AmU2mFC00f5gGBk8/ERjfvs7fS9YoYGmjFQ8OMhRdyMNiWK
    sSOTmJb/vi7es2rNV0kZEQMkAX1v9Nbq5MJW5BryANn+PazCaC3eKBO9QSWaeBcIW2ORspf61kqN
    8bj7vT5zPlX5xjHZUry/9U8dc+6Jfo6KYZPqvu5nViuu3S4bi4C2RG6zgxxyING+5BbuiRFDqUwl
    Ly4h/gPB/cNWfjc1sjO8lAExx6qQyIiV1muBV1aahcoxyia1c3L4OdvZVWzOpvvlw6hc18/EWZTK
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    gzbJYF+E1Nl62246HVB7IgWr82p3ZsI9ofFg1SefVWMPCArXokXl4buDYA2DbFXtYirTn3XpKlTc
    3OqQudHZ13uqo0RfyK39lm1iqYIXAzFNwh53KbV1eGk7rmi1V3ne2sjsADYqor3WwvODUr+/huFu
    k4b3a1RhJd8B0lLCmXX09/3NAS9K5yfNErdyOjgM9Elf8myBOuBhsHkjZapopvHkuzfzsdE95YM4
    +XXvoX/bQnKlb+nDlfDshEbvu7aUgaybyj5SkEn4Z9u2/1/E/L1EHtij7ObAOXDoc9/hvV0eOqzW
    NPSkkySEEToEA1TcC74Mq9lEnQ6cdWPmKN7IKsheM/X4BsQMBWRxOyO5zPsiqu0XunROWpahoJ/7
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    GYtlVBHMh5P+8rj9bmNygC8pPen37F5VkgTDZyiBbhdbOHe5xLQaMkfK2eW+foQo87p7UW1ft2rU
    1wy/SEHKyetTr0Co/mG51XoxnnHWs7VLWdFWgbdZWFETgh6V65z0+sntGalLX+5XyuGC9PDSFYXi
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  </Signature>
</Certificate>

    }] $value] != -1} then {
      return true
    } else {
      return false
    }
  }

  #
  # NOTE: This procedure returns the fully qualified name of the directory
  #       where temporary files should be written.  The envVarName argument
  #       is an optional extra environment variable to check (first).
  #
  proc getFileTempDirectory { {envVarName ""} } {
    global env

    if {[string length $envVarName] > 0 && \
        [info exists env($envVarName)]} then {
      return $env($envVarName)
    } elseif {[info exists env(TEMP)]} then {
      return $env(TEMP)
    } elseif {[info exists env(TMP)]} then {
      return $env(TMP)
    } else {
      error [appendArgs \
          "please set " $envVarName \
          " (via environment) to temporary directory"]
    }
  }

  #
  # NOTE: This procedure returns a unique temporary file name.  A script
  #       error is raised if this task cannot be accomplished.  There are
  #       no arguments.
  #
  proc getFileTempName {} {
    if {[isEagle]} then {
      return [file tempname]
    } else {







      set directory [getFileTempDirectory PKGR_TEMP]




      set counter [expr {[pid] ^ int(rand() * 0xFFFF)}]

      while {1} {
        set fileNameOnly [format tcl%04X.tmp $counter]
        set fileName [file join $directory $fileNameOnly]

        if {![file exists $fileName]} then {

    THE ASSOCIATED SOFTWARE MAY NOT WORK PROPERLY IF THIS FILE IS ALTERED.
-->
<Certificate xmlns="https://eagle.to/2011/harpy"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <Protocol>None</Protocol>
  <Vendor>Mistachkin Systems</Vendor>
  <Id>c8d855d3-dc6c-4ff7-b559-6920bdc2c9ef</Id>
  <HashAlgorithm>SHA512</HashAlgorithm>
  <EntityType>Script</EntityType>
  <TimeStamp>2016-08-19T19:13:22.5840312Z</TimeStamp>
  <Duration>-1.00:00:00</Duration>
  <Key>0x2c322765603b5278</Key>
  <Signature>
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  </Signature>
</Certificate>