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PowerShell

# IMPORTANT: Before releasing this package, copy/paste the next 2 lines into PowerShell to remove all comments from this file:
# $f='c:\path\to\thisFile.ps1'
# gc $f | ? {$_ -notmatch "^\s*#"} | % {$_ -replace '(^.*?)\s*?[^``]#.*','$1'} | Out-File $f+".~" -en utf8; mv -fo $f+".~" $f
## NOTE: In 80-90% of the cases (95% with licensed versions due to Package Synchronizer and other enhancements),
## AutoUninstaller should be able to detect and handle registry uninstalls without a chocolateyUninstall.ps1.
## See https://chocolatey.org/docs/commands-uninstall
## and https://chocolatey.org/docs/helpers-uninstall-chocolatey-package
## If this is an MSI, ensure 'softwareName' is appropriate, then clean up comments and you are done.
## If this is an exe, change fileType, silentArgs, and validExitCodes
$ErrorActionPreference = 'Stop'; # stop on all errors
$packageArgs = @{
packageName = $env:ChocolateyPackageName
softwareName = 'blank*' #part or all of the Display Name as you see it in Programs and Features. It should be enough to be unique
fileType = 'EXE_MSI_OR_MSU' #only one of these: MSI or EXE (ignore MSU for now)
# MSI
silentArgs = "/qn /norestart"
validExitCodes= @(0, 3010, 1605, 1614, 1641) # https://msdn.microsoft.com/en-us/library/aa376931(v=vs.85).aspx
# OTHERS
# Uncomment matching EXE type (sorted by most to least common)
#silentArgs = '/S' # NSIS
#silentArgs = '/VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-' # Inno Setup
#silentArgs = '/s' # InstallShield
#silentArgs = '/s /v"/qn"' # InstallShield with MSI
#silentArgs = '/s' # Wise InstallMaster
#silentArgs = '-s' # Squirrel
#silentArgs = '-q' # Install4j
#silentArgs = '-s -u' # Ghost
# Note that some installers, in addition to the silentArgs above, may also need assistance of AHK to achieve silence.
#silentArgs = '' # none; make silent with input macro script like AutoHotKey (AHK)
# https://chocolatey.org/packages/autohotkey.portable
#validExitCodes= @(0) #please insert other valid exit codes here
}
$uninstalled = $false
# Get-UninstallRegistryKey is new to 0.9.10, if supporting 0.9.9.x and below,
# take a dependency on "chocolatey-core.extension" in your nuspec file.
# This is only a fuzzy search if $softwareName includes '*'. Otherwise it is
# exact. In the case of versions in key names, we recommend removing the version
# and using '*'.
[array]$key = Get-UninstallRegistryKey -SoftwareName $packageArgs['softwareName']
if ($key.Count -eq 1) {
$key | % {
$packageArgs['file'] = "$($_.UninstallString)" #NOTE: You may need to split this if it contains spaces, see below
if ($packageArgs['fileType'] -eq 'MSI') {
# The Product Code GUID is all that should be passed for MSI, and very
# FIRST, because it comes directly after /x, which is already set in the
# Uninstall-ChocolateyPackage msiargs (facepalm).
$packageArgs['silentArgs'] = "$($_.PSChildName) $($packageArgs['silentArgs'])"
# Don't pass anything for file, it is ignored for msi (facepalm number 2)
# Alternatively if you need to pass a path to an msi, determine that and
# use it instead of the above in silentArgs, still very first
$packageArgs['file'] = ''
} else {
# NOTES:
# - You probably will need to sanitize $packageArgs['file'] as it comes from the registry and could be in a variety of fun but unusable formats
# - Split args from exe in $packageArgs['file'] and pass those args through $packageArgs['silentArgs'] or ignore them
# - Ensure you don't pass double quotes in $file (aka $packageArgs['file']) - otherwise you will get "Illegal characters in path when you attempt to run this"
# - Review the code for auto-uninstaller for all of the fun things it does in sanitizing - https://github.com/chocolatey/choco/blob/bfe351b7d10c798014efe4bfbb100b171db25099/src/chocolatey/infrastructure.app/services/AutomaticUninstallerService.cs#L142-L192
}
Uninstall-ChocolateyPackage @packageArgs
}
} elseif ($key.Count -eq 0) {
Write-Warning "$packageName has already been uninstalled by other means."
} elseif ($key.Count -gt 1) {
Write-Warning "$($key.Count) matches found!"
Write-Warning "To prevent accidental data loss, no programs will be uninstalled."
Write-Warning "Please alert package maintainer the following keys were matched:"
$key | % {Write-Warning "- $($_.DisplayName)"}
}
## OTHER POWERSHELL FUNCTIONS
## https://chocolatey.org/docs/helpers-reference
#Uninstall-ChocolateyZipPackage $packageName # Only necessary if you did not unpack to package directory - see https://chocolatey.org/docs/helpers-uninstall-chocolatey-zip-package
#Uninstall-ChocolateyEnvironmentVariable # 0.9.10+ - https://chocolatey.org/docs/helpers-uninstall-chocolatey-environment-variable
#Uninstall-BinFile # Only needed if you used Install-BinFile - see https://chocolatey.org/docs/helpers-uninstall-bin-file
## Remove any shortcuts you added in the install script.