chocolatey-0.9.10.3.ps1

# =====================================================================
# Copyright 2011 - Present RealDimensions Software, LLC, and the
# original authors/contributors from ChocolateyGallery
# at https://github.com/chocolatey/chocolatey.org
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# =====================================================================

# Environment Variables, specified as $env:NAME in PowerShell.exe and %NAME% in cmd.exe.
# For explicit proxy, please set $env:chocolateyProxyLocation and optionally $env:chocolateyProxyUser and $env:chocolateyProxyPassword
# For an explicit version of Chocolatey, please set $env:chocolateyVersion = 'versionnumber'
# To target a different url for chocolatey.nupkg, please set $env:chocolateyDownloadUrl = 'full url to nupkg file'
# NOTE: $env:chocolateyDownloadUrl does not work with $env:chocolateyVersion.
# To use built-in compression (no 7zip download), please set $env:chocolateyUseWindowsCompression = 'true'

$url = "https://chocolatey.org/api/v2/package/chocolatey/"
# introduced when there were performance issues - kept around in case we
# run into them again.
$url = "https://packages.chocolatey.org/chocolatey.0.9.10.3.nupkg"

$chocolateyVersion = $env:chocolateyVersion
if (![string]::IsNullOrEmpty($chocolateyVersion)){
  Write-Output "Downloading specific version of Chocolatey: $chocolateyVersion"
  $url = "https://chocolatey.org/api/v2/package/chocolatey/$chocolateyVersion"
}

$chocolateyDownloadUrl = $env:chocolateyDownloadUrl
if (![string]::IsNullOrEmpty($chocolateyDownloadUrl)){
  Write-Output "Downloading Chocolatey from : $chocolateyDownloadUrl"
  $url = "$chocolateyDownloadUrl"
}

if ($env:TEMP -eq $null) {
  $env:TEMP = Join-Path $env:SystemDrive 'temp'
}
$chocTempDir = Join-Path $env:TEMP "chocolatey"
$tempDir = Join-Path $chocTempDir "chocInstall"
if (![System.IO.Directory]::Exists($tempDir)) {[System.IO.Directory]::CreateDirectory($tempDir)}
$file = Join-Path $tempDir "chocolatey.zip"

# PowerShell v2/3 caches the output stream. Then it throws errors due
# to the FileStream not being what is expected. Fixes "The OS handle's
# position is not what FileStream expected. Do not use a handle
# simultaneously in one FileStream and in Win32 code or another
# FileStream."
function Fix-PowerShellOutputRedirectionBug {
  $poshMajorVerion = $PSVersionTable.PSVersion.Major
  
  if ($poshMajorVerion -lt 4) {
    try{
      # http://www.leeholmes.com/blog/2008/07/30/workaround-the-os-handles-position-is-not-what-filestream-expected/ plus comments
      $bindingFlags = [Reflection.BindingFlags] "Instance,NonPublic,GetField"
      $objectRef = $host.GetType().GetField("externalHostRef", $bindingFlags).GetValue($host)
      $bindingFlags = [Reflection.BindingFlags] "Instance,NonPublic,GetProperty"
      $consoleHost = $objectRef.GetType().GetProperty("Value", $bindingFlags).GetValue($objectRef, @())
      [void] $consoleHost.GetType().GetProperty("IsStandardOutputRedirected", $bindingFlags).GetValue($consoleHost, @())
      $bindingFlags = [Reflection.BindingFlags] "Instance,NonPublic,GetField"
      $field = $consoleHost.GetType().GetField("standardOutputWriter", $bindingFlags)
      $field.SetValue($consoleHost, [Console]::Out)
      [void] $consoleHost.GetType().GetProperty("IsStandardErrorRedirected", $bindingFlags).GetValue($consoleHost, @())
      $field2 = $consoleHost.GetType().GetField("standardErrorWriter", $bindingFlags)
      $field2.SetValue($consoleHost, [Console]::Error)
    } catch {
      Write-Output "Unable to apply redirection fix."
    }
  }
}

Fix-PowerShellOutputRedirectionBug

function Download-File {
param (
  [string]$url,
  [string]$file
 )
  Write-Output "Downloading $url to $file"
  $downloader = new-object System.Net.WebClient

  $defaultCreds = [System.Net.CredentialCache]::DefaultCredentials
  if ($defaultCreds -ne $null) {
    $downloader.Credentials = $defaultCreds
  }

  # check if a proxy is required
  $explicitProxy = $env:chocolateyProxyLocation
  $explicitProxyUser = $env:chocolateyProxyUser
  $explicitProxyPassword = $env:chocolateyProxyPassword
  if ($explicitProxy -ne $null) {
    # explicit proxy
  $proxy = New-Object System.Net.WebProxy($explicitProxy, $true)
  if ($explicitProxyPassword -ne $null) {
    $passwd = ConvertTo-SecureString $explicitProxyPassword -AsPlainText -Force
    $proxy.Credentials = New-Object System.Management.Automation.PSCredential ($explicitProxyUser, $passwd)
  }

  Write-Output "Using explicit proxy server '$explicitProxy'."
    $downloader.Proxy = $proxy

  } elseif (!$downloader.Proxy.IsBypassed($url))
  {
  # system proxy (pass through)
    $creds = $defaultCreds
    if ($creds -eq $null) {
      Write-Debug "Default credentials were null. Attempting backup method"
      $cred = get-credential
      $creds = $cred.GetNetworkCredential();
    }
    $proxyaddress = $downloader.Proxy.GetProxy($url).Authority
    Write-Output "Using system proxy server '$proxyaddress'."
    $proxy = New-Object System.Net.WebProxy($proxyaddress)
    $proxy.Credentials = $creds
    $downloader.Proxy = $proxy
  }

  $downloader.DownloadFile($url, $file)
}

# Download the Chocolatey package
Download-File $url $file

# Determine unzipping method
$unzipMethod = '7zip'
if (![string]::IsNullOrEmpty($env:chocolateyUseWindowsCompression)){
  Write-Output 'Using built in compression to unzip.'
  $unzipMethod = 'builtin'
}

if ($unzipMethod -eq '7zip') {
  # download 7zip
  Write-Output "Download 7Zip commandline tool"
  $7zaExe = Join-Path $tempDir '7za.exe'
  Download-File 'https://chocolatey.org/7za.exe' "$7zaExe"

  # unzip the package
  Write-Output "Extracting $file to $tempDir..."
  Start-Process "$7zaExe" -ArgumentList "x -o`"$tempDir`" -y `"$file`"" -Wait -NoNewWindow
} else {
  # unzip the package
  Write-Output "Extracting $file to $tempDir..."
  $shellApplication = new-object -com shell.application
  $zipPackage = $shellApplication.NameSpace($file)
  $destinationFolder = $shellApplication.NameSpace($tempDir)
  $destinationFolder.CopyHere($zipPackage.Items(),0x10)
}

# Call chocolatey install
Write-Output "Installing chocolatey on this machine"
$toolsFolder = Join-Path $tempDir "tools"
$chocInstallPS1 = Join-Path $toolsFolder "chocolateyInstall.ps1"

& $chocInstallPS1

Write-Output 'Ensuring chocolatey commands are on the path'
$chocInstallVariableName = "ChocolateyInstall"
$chocoPath = [Environment]::GetEnvironmentVariable($chocInstallVariableName)
if ($chocoPath -eq $null -or $chocoPath -eq '') {
  $chocoPath = 'C:\ProgramData\Chocolatey'
}

$chocoExePath = Join-Path $chocoPath 'bin'

if ($($env:Path).ToLower().Contains($($chocoExePath).ToLower()) -eq $false) {
  $env:Path = [Environment]::GetEnvironmentVariable('Path',[System.EnvironmentVariableTarget]::Machine);
}

Write-Output 'Ensuring chocolatey.nupkg is in the lib folder'
$chocoPkgDir = Join-Path $chocoPath 'lib\chocolatey'
$nupkg = Join-Path $chocoPkgDir 'chocolatey.nupkg'
if (![System.IO.Directory]::Exists($chocoPkgDir)) { [System.IO.Directory]::CreateDirectory($chocoPkgDir); }
Copy-Item "$file" "$nupkg" -Force -ErrorAction SilentlyContinue


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