choco/install.ps1

   1 # =====================================================================
   2 # Copyright 2011 - Present RealDimensions Software, LLC, and the
   3 # original authors/contributors from ChocolateyGallery
   4 # at https://github.com/chocolatey/chocolatey.org
   5 #
   6 # Licensed under the Apache License, Version 2.0 (the "License");
   7 # you may not use this file except in compliance with the License.
   8 # You may obtain a copy of the License at
   9 #
  10 #   http://www.apache.org/licenses/LICENSE-2.0
  11 #
  12 # Unless required by applicable law or agreed to in writing, software
  13 # distributed under the License is distributed on an "AS IS" BASIS,
  14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 # See the License for the specific language governing permissions and
  16 # limitations under the License.
  17 # =====================================================================
  18
  19 # Environment Variables, specified as $env:NAME in PowerShell.exe and %NAME% in cmd.exe.
  20 # For explicit proxy, please set $env:chocolateyProxyLocation and optionally $env:chocolateyProxyUser and $env:chocolateyProxyPassword
  21 # For an explicit version of Chocolatey, please set $env:chocolateyVersion = 'versionnumber'
  22 # To target a different url for chocolatey.nupkg, please set $env:chocolateyDownloadUrl = 'full url to nupkg file'
  23 # NOTE: $env:chocolateyDownloadUrl does not work with $env:chocolateyVersion.
  24 # To use 7zip (requires additional download) instead of built-in compression, please set $env:chocolateyUseWindowsCompression = 'false'
  25 # To bypass the use of any proxy, please set $env:chocolateyIgnoreProxy = 'true'
  26
  27 #specifically use the API to get the latest version (below)
  28 $url = ''
  29
  30 $chocolateyVersion = $env:chocolateyVersion
  31 if (![string]::IsNullOrEmpty($chocolateyVersion)){
  32   Write-Output "Downloading specific version of Chocolatey: $chocolateyVersion"
  33   $url = "https://chocolatey.org/api/v2/package/chocolatey/$chocolateyVersion"
  34 }
  35
  36 $chocolateyDownloadUrl = $env:chocolateyDownloadUrl
  37 if (![string]::IsNullOrEmpty($chocolateyDownloadUrl)){
  38   Write-Output "Downloading Chocolatey from : $chocolateyDownloadUrl"
  39   $url = "$chocolateyDownloadUrl"
  40 }
  41
  42 if ($env:TEMP -eq $null) {
  43   $env:TEMP = Join-Path $env:SystemDrive 'temp'
  44 }
  45 $chocTempDir = Join-Path $env:TEMP "chocolatey"
  46 $tempDir = Join-Path $chocTempDir "chocInstall"
  47 if (![System.IO.Directory]::Exists($tempDir)) {[System.IO.Directory]::CreateDirectory($tempDir)}
  48 $file = Join-Path $tempDir "chocolatey.zip"
  49
  50 # 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."
  51 function Fix-PowerShellOutputRedirectionBug {
  52   $poshMajorVerion = $PSVersionTable.PSVersion.Major
  53
  54   if ($poshMajorVerion -lt 4) {
  55     try{
  56       # http://www.leeholmes.com/blog/2008/07/30/workaround-the-os-handles-position-is-not-what-filestream-expected/ plus comments
  57       $bindingFlags = [Reflection.BindingFlags] "Instance,NonPublic,GetField"
  58       $objectRef = $host.GetType().GetField("externalHostRef", $bindingFlags).GetValue($host)
  59       $bindingFlags = [Reflection.BindingFlags] "Instance,NonPublic,GetProperty"
  60       $consoleHost = $objectRef.GetType().GetProperty("Value", $bindingFlags).GetValue($objectRef, @())
  61       [void] $consoleHost.GetType().GetProperty("IsStandardOutputRedirected", $bindingFlags).GetValue($consoleHost, @())
  62       $bindingFlags = [Reflection.BindingFlags] "Instance,NonPublic,GetField"
  63       $field = $consoleHost.GetType().GetField("standardOutputWriter", $bindingFlags)
  64       $field.SetValue($consoleHost, [Console]::Out)
  65       [void] $consoleHost.GetType().GetProperty("IsStandardErrorRedirected", $bindingFlags).GetValue($consoleHost, @())
  66       $field2 = $consoleHost.GetType().GetField("standardErrorWriter", $bindingFlags)
  67       $field2.SetValue($consoleHost, [Console]::Error)
  68     } catch {
  69       Write-Output "Unable to apply redirection fix."
  70     }
  71   }
  72 }
  73
  74 Fix-PowerShellOutputRedirectionBug
  75
  76 function Get-Downloader {
  77 param (
  78   [string]$url
  79  )
  80
  81   $downloader = new-object System.Net.WebClient
  82
  83   $defaultCreds = [System.Net.CredentialCache]::DefaultCredentials
  84   if ($defaultCreds -ne $null) {
  85     $downloader.Credentials = $defaultCreds
  86   }
  87
  88   $ignoreProxy = $env:chocolateyIgnoreProxy
  89   if ($ignoreProxy -ne $null -and $ignoreProxy -eq 'true') {
  90     Write-Debug "Explicitly bypassing proxy due to user environment variable"
  91     $downloader.Proxy = [System.Net.GlobalProxySelection]::GetEmptyWebProxy()
  92   } else {
  93     # check if a proxy is required
  94     $explicitProxy = $env:chocolateyProxyLocation
  95     $explicitProxyUser = $env:chocolateyProxyUser
  96     $explicitProxyPassword = $env:chocolateyProxyPassword
  97     if ($explicitProxy -ne $null -and $explicitProxy -ne '') {
  98       # explicit proxy
  99       $proxy = New-Object System.Net.WebProxy($explicitProxy, $true)
 100       if ($explicitProxyPassword -ne $null -and $explicitProxyPassword -ne '') {
 101         $passwd = ConvertTo-SecureString $explicitProxyPassword -AsPlainText -Force
 102         $proxy.Credentials = New-Object System.Management.Automation.PSCredential ($explicitProxyUser, $passwd)
 103       }
 104
 105       Write-Debug "Using explicit proxy server '$explicitProxy'."
 106       $downloader.Proxy = $proxy
 107
 108     } elseif (!$downloader.Proxy.IsBypassed($url)) {
 109       # system proxy (pass through)
 110       $creds = $defaultCreds
 111       if ($creds -eq $null) {
 112         Write-Debug "Default credentials were null. Attempting backup method"
 113         $cred = get-credential
 114         $creds = $cred.GetNetworkCredential();
 115       }
 116
 117       $proxyaddress = $downloader.Proxy.GetProxy($url).Authority
 118       Write-Debug "Using system proxy server '$proxyaddress'."
 119       $proxy = New-Object System.Net.WebProxy($proxyaddress)
 120       $proxy.Credentials = $creds
 121       $downloader.Proxy = $proxy
 122     }
 123   }
 124
 125   return $downloader
 126 }
 127
 128 function Download-String {
 129 param (
 130   [string]$url
 131  )
 132   $downloader = Get-Downloader $url
 133
 134   return $downloader.DownloadString($url)
 135 }
 136
 137 function Download-File {
 138 param (
 139   [string]$url,
 140   [string]$file
 141  )
 142   Write-Output "Downloading $url to $file"
 143   $downloader = Get-Downloader $url
 144
 145   $downloader.DownloadFile($url, $file)
 146 }
 147
 148 if ($url -eq $null -or $url -eq '') {
 149   Write-Output "Getting latest version of the Chocolatey package for download."
 150   $url = 'https://chocolatey.org/api/v2/Packages()?$filter=((Id%20eq%20%27chocolatey%27)%20and%20(not%20IsPrerelease))%20and%20IsLatestVersion'
 151   [xml]$result = Download-String $url
 152   $url = $result.feed.entry.content.src
 153 }
 154
 155 # Download the Chocolatey package
 156 Download-File $url $file
 157
 158 # Determine unzipping method
 159 $unzipMethod = 'builtin'
 160 $useWindowsCompression = $env:chocolateyUseWindowsCompression
 161 if ($useWindowsCompression -ne $null -and $useWindowsCompression -eq 'false') {
 162   Write-Output 'Using 7zip to unzip.'
 163   $unzipMethod = '7zip'
 164 }
 165
 166 # unzip the package
 167 Write-Output "Extracting $file to $tempDir..."
 168 if ($unzipMethod -eq '7zip') {
 169   # download 7zip
 170   Write-Output "Downloading 7-Zip commandline tool first"
 171   $7zaExe = Join-Path $tempDir '7za.exe'
 172   Download-File 'https://chocolatey.org/7za.exe' "$7zaExe"
 173   Start-Process "$7zaExe" -ArgumentList "x -o`"$tempDir`" -y `"$file`"" -Wait -NoNewWindow
 174 } else {
 175   try {
 176     $shellApplication = new-object -com shell.application
 177     $zipPackage = $shellApplication.NameSpace($file)
 178     $destinationFolder = $shellApplication.NameSpace($tempDir)
 179     $destinationFolder.CopyHere($zipPackage.Items(),0x10)
 180   } catch {
 181     throw "Unable to unzip package using built-in compression. Set `$env:chocolateyUseWindowsCompression = 'false' and call install again to use 7zip to unzip. Error: `n $_"
 182   }
 183 }
 184
 185 # Call chocolatey install
 186 Write-Output "Installing chocolatey on this machine"
 187 $toolsFolder = Join-Path $tempDir "tools"
 188 $chocInstallPS1 = Join-Path $toolsFolder "chocolateyInstall.ps1"
 189
 190 & $chocInstallPS1
 191
 192 Write-Output 'Ensuring chocolatey commands are on the path'
 193 $chocInstallVariableName = "ChocolateyInstall"
 194 $chocoPath = [Environment]::GetEnvironmentVariable($chocInstallVariableName)
 195 if ($chocoPath -eq $null -or $chocoPath -eq '') {
 196   $chocoPath = 'C:\ProgramData\Chocolatey'
 197 }
 198
 199 $chocoExePath = Join-Path $chocoPath 'bin'
 200
 201 if ($($env:Path).ToLower().Contains($($chocoExePath).ToLower()) -eq $false) {
 202   $env:Path = [Environment]::GetEnvironmentVariable('Path',[System.EnvironmentVariableTarget]::Machine);
 203 }
 204
 205 Write-Output 'Ensuring chocolatey.nupkg is in the lib folder'
 206 $chocoPkgDir = Join-Path $chocoPath 'lib\chocolatey'
 207 $nupkg = Join-Path $chocoPkgDir 'chocolatey.nupkg'
 208 if (![System.IO.Directory]::Exists($chocoPkgDir)) { [System.IO.Directory]::CreateDirectory($chocoPkgDir); }
 209 Copy-Item "$file" "$nupkg" -Force -ErrorAction SilentlyContinue
 210
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