IrfanView (Install)

$packageName    = 'irfanview'
$installerType  = 'exe'
$toolsDir       = "$(Split-Path -parent $MyInvocation.MyCommand.Definition)"
$url            = "$toolsDir\iview451_setup.exe"
$checksum       = '0A5400988954EC933EDAC01B8822F9937BB0B6BF2B1337B69CB3347BCA375DB2'
$checksumType   = 'sha256'
$url64          = "$toolsDir\iview451_x64_setup.exe"
$checksum64     = 'C4CAC895DBC4A3C31565C3947D48949A7EB611696C1D4FDE0161710C35460E6C'
$checksumType64 = 'sha256'
$validExitCodes = @(0)
$arguments      = @{}
$packageParameters = $env:chocolateyPackageParameters

Write-Debug "Default values for package parameters: 0=off, 1=on"
$desktop = 0
$thumbs = 0
$group = 1
$allusers = 1
$assoc = 1
$ini = "%APPDATA%\IrfanView"
$folder = $null

if ($packageParameters) {
    $match_pattern = "\/(?<option>([a-zA-Z]+))=(?<value>([`"'])?([a-zA-Z0-9- _\\:%\.]+)([`"'])?)|\/(?<option>([a-zA-Z]+))"
    $option_name = 'option'
    $value_name = 'value'

    if ($packageParameters -match $match_pattern ){
        $results = $packageParameters | Select-String $match_pattern -AllMatches
        $results.matches | ForEach-Object {
          $arguments.Add(
              $_.Groups[$option_name].Value.Trim(),
              $_.Groups[$value_name].Value.Trim())
      }
    } else {
        Throw "Package Parameters were found but were invalid (REGEX failure)"
    }

    if ($arguments.ContainsKey("desktop")) {
        Write-Verbose "Adding desktop shortcut to IrfanView"
        $desktop = 1
    }

    if ($arguments.ContainsKey("thumbs")) {
        Write-Verbose "Adding desktop shortcut to IrfanView Thumbnails"
        $thumbs = 1
    }

    if ($arguments.ContainsKey("group")) {
        Write-Verbose "Adding IrfanView group to start menu"
        $group = 1
    }
    
    if ($arguments.ContainsKey("allusers")) {
        Write-Verbose "Installing IrfanView for only current user"
        $allusers = 0
    }
    
    if ($arguments.ContainsKey("assoc")) {
        Write-Verbose "Associating IrfanView to file types"
        $assoc = $arguments["assoc"]
    }

    if ($arguments.ContainsKey("ini")) {
        Write-Verbose "You want to use a custom configuration Path"
        $ini = $arguments["ini"]
    }
    
    if ($arguments.ContainsKey("folder")) {
        Write-Verbose "You want to use a custom configuration Path"
        $folder = $arguments["folder"]
    }

} else {
    Write-Debug "No package parameters passed in"
}

$silentArgs = "/silent" + 
              " /desktop=" + $desktop + 
              " /thumbs=" + $thumbs + 
              " /group=" + $group + 
              " /allusers=" + $allusers +
              " /assoc=" + $assoc
if ($ini) { $silentArgs += " /ini=" + $ini }
if ($folder) { $silentArgs += " /folder=" + $folder }
Write-Debug "Silent arguments Chocolatey will use are: $silentArgs"

$packageArgs = @{
  packageName   = $packageName
  fileType      = $installerType
  url           = $url
  url64bit      = $url64
  validExitCodes= $validExitCodes
  silentArgs    = $silentArgs
  softwareName  = 'IrfanView*'
  checksum      = $checksum
  checksumType  = $checksumType
  Checksum64    = $checksum64
  ChecksumType64= $checksumType64
}

Install-ChocolateyPackage @packageArgs 	

Remove-Item $url | out-null
Remove-Item $url64 | out-null

$packageName    = 'irfanview'

if (Test-Path -Path $ENV:ProgramFiles\IrfanView\iv_uninstall.exe)
   {
    &$ENV:ProgramFiles\IrfanView\iv_uninstall.exe /silent
   } else {
    &${ENV:ProgramFiles(x86)}\IrfanView\iv_uninstall.exe /silent
   }

md5: C2F47EBD75F3F4898713C7F4808BFA08 | sha1: EC492CAD75A154A9AC9D6E356AC7C2B0DC62356F | sha256: 0A5400988954EC933EDAC01B8822F9937BB0B6BF2B1337B69CB3347BCA375DB2 | sha512: 1E57A0A1B92084ECA098ABE0D8C8C9C4A5C17F32A67259F1DE1F4ABA9422E6C438821DD42112E6104BCB45A5EC84C4C8D1121505BCE7A6591BD108AE8F7CE002

md5: FE93E9B8777614B3AD1D605FE7854E5E | sha1: 81373E906C7A07251C8855CDA29FDA6D12862EFB | sha256: C4CAC895DBC4A3C31565C3947D48949A7EB611696C1D4FDE0161710C35460E6C | sha512: 13D7DAB258C035218DA9C2D8AC4DAC666D93ABC75DF80FB1A9A794B10242F8C87E08E7C47C9A9CA504C942E1A0A6E77F0901EACA4867B6D97E3309D18D4C8E60

IrfanView's webpage at http://www.irfanview.com/ defines the license as "This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License."

From: http://creativecommons.org/licenses/by-sa/4.0/

LICENSE

You are free to:

Share — copy and redistribute the material in any medium or format
Adapt — remix, transform, and build upon the material
for any purpose, even commercially.
The licensor cannot revoke these freedoms as long as you follow the license terms.

VERIFICATION

Binaries included in this package were downloaded by the packager, bcurran3. SHA256 signatures were manually created and put in the package .nuspec file.

Additionally checksums can be verified (assumably by the author) at https://www.fosshub.com/IrfanView.html