Install GitFlow for GHFW

[Reflection.Assembly]::LoadWithPartialName('System.IO.Compression.FileSystem')

Set-ExecutionPolicy Unrestricted -Scope CurrentUser

function downloadFile($dir, $fileName, $url)
{
    $dirExists = Test-Path $dir
    $fullFile = ($dir+"\"+$fileName)
    if (-Not $dirExists)
    {
      New-Item -ItemType Directory -Force -Path $dir
    }
    $fileExists = Test-Path $fullFile
    if (-Not $fileExists)
    {
        ((new-object net.webclient).DownloadFile($url, $fullFile))
    }
}

function extractFile($zipArchive, $fileName, $dest)
{
    $zipFiles = [IO.Compression.ZipFile]::OpenRead($zipArchive).Entries
    $file = $zipFiles | Where-Object {$_.Name -eq $fileName}
    $fileExists = Test-Path ($dest + "\" + $fileName)
    if ($fileExists)
    {
        Remove-Item ($dest + "\" + $fileName)
    }
    [IO.Compression.ZipFileExtensions]::ExtractToFile($file, $dest + "\" + $fileName)
}

function Out-ClipBoard() {
  #############################################################################
  ##
  ## Out-Clipboard
  ##
  ## Originally "Set-Clipboard" From Windows PowerShell Cookbook (O'Reilly)
  ## by Lee Holmes (http://www.leeholmes.com/guide)
  ##
  ## copied from http://poshcode.org/2219
  ##
  ##############################################################################

  <#

  .SYNOPSIS

  Sends the given input to the Windows clipboard.

  .EXAMPLE

  dir | Out-Clipboard
  This example sends the view of a directory listing to the clipboard

  .EXAMPLE

  Out-Clipboard "Hello World"
  This example sets the clipboard to the string, "Hello World".

  #>

  param(
      ## The input to send to the clipboard
      [Parameter(ValueFromPipeline = $true)]
      [object[]] $InputObject
  )

  begin
  {
      Set-StrictMode -Version Latest
      $objectsToProcess = @()
  }

  process
  {
      ## Collect everything sent to the script either through
      ## pipeline input, or direct input.
      $objectsToProcess += $inputObject
  }

  end
  {
      ## Launch a new instance of PowerShell in STA mode.
      ## This lets us interact with the Windows clipboard.
      $objectsToProcess | PowerShell -NoProfile -STA -Command {
          Add-Type -Assembly PresentationCore

          ## Convert the input objects to a string representation
          $clipText = ($input | Out-String -Stream) -join "`r`n"

          ## And finally set the clipboard text
          [Windows.Clipboard]::SetText($clipText)
      }
  }
}

Set-Alias clip Out-ClipBoard
Set-Alias Set-Clipboard Out-Clipboard

$downloadPath = 'D:\Program Files\GitFlowDependencies'

$goZip = "go.zip"
$l1Zip = "l1.zip"
$l2Zip = "l2.zip"

downloadFile -dir $downloadPath -fileName $goZip -url 'http://downloads.sourceforge.net/project/gnuwin32/util-linux/2.14.1/util-linux-ng-2.14.1-bin.zip?r=http%3A%2F%2Fgnuwin32.sourceforge.net%2Fpackages%2Futil-linux-ng.htm&ts=1412197024&use_mirror=freefr'
downloadFile -dir $downloadPath -fileName $l1Zip -url 'http://downloads.sourceforge.net/project/gnuwin32/libintl/0.14.4/libintl-0.14.4-bin.zip?r=http%3A%2F%2Fgnuwin32.sourceforge.net%2Fpackages%2Flibintl.htm&ts=1412198934&use_mirror=kent'
downloadFile -dir $downloadPath -fileName $l2Zip -url 'http://downloads.sourceforge.net/project/gnuwin32/libiconv/1.9.2-1/libiconv-1.9.2-1-bin.zip?r=http%3A%2F%2Fgnuwin32.sourceforge.net%2Fpackages%2Flibiconv.htm&ts=1412198894&use_mirror=sunet'

$x = "LOCALAPPDATA"
$localPath = (get-item env:$x).Value
$github = $localPath + "\Github"
$portableGits = Get-ChildItem -Path $github -Filter PortableGit* -Recurse
$sortedPortableGits = $portableGits | Sort CreationTime -Descending
$latestPortableGit = $sortedPortableGits | Select -First 1
$bin = $latestPortableGit.FullName + "\bin"

extractFile -dest $bin -zipArchive ($downloadPath + "\" + $goZip) -fileName 'getopt.exe'
extractFile -dest $bin -zipArchive ($downloadPath + "\" + $l1Zip) -fileName 'libintl3.dll'
extractFile -dest $bin -zipArchive ($downloadPath + "\" + $l2Zip) -fileName 'libiconv2.dll'

''
'**** Copy the following into ghfw bash ****'

'git clone --recursive git://github.com/nvie/gitflow.git'

'**** Naviate to gitflow/contrib in command.exe ****'

$installGitflow = 'msysgit-install.cmd "' + $latestPortableGit.FullName + '"'

$installGitflow

clip $installGitflow