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ChocolateyGet.psm1
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# ChocolateyGet is a PackageManagement provider. It does package management operations such as find, install,
# uninstall packages from https://www.chocolatey.org. It essentially a wrapper around choco.exe.
# Import the localized Data
Microsoft.PowerShell.Utility\Import-LocalizedData LocalizedData -filename ChocolateyGet.Resource.psd1
#region Local variable definitions
# Define provider related variables
$script:ProviderName = "ChocolateyGet"
$script:PackageSourceName = "Chocolatey"
$script:PackageSource = "https://www.chocolatey.org"
$script:additionalArguments = "AdditionalArguments"
$script:AllVersions = "AllVersions"
# Define choco related variables
$script:ChocoExeName = 'choco.exe'
$script:ChocoExePath = $null
$script:firstTime = $true
# Utility variables
$script:PackageRegex = "(?<name>[^\s]*)(\s*)(?<version>[^\s]*)"
$script:PackageReportRegex="^[0-9]*(\s*)(packages installed)"
$script:FastReferenceRegex = "(?<name>[^#]*)#(?<version>[^\s]*)"
function IsCoreCLR { $PSVariable = Get-Variable -Name IsCoreCLR -ErrorAction Ignore; return ($PSVariable -and $PSVariable.Value) }
# Check if this is nano server. [System.Runtime.Loader.AssemblyLoadContext] is only available on NanoServer
try {
[System.Runtime.Loader.AssemblyLoadContext]
$script:isNanoServer = $true
}
catch
{
$script:isNanoServer = $false
}
$script:FindPackageId = 10
$script:InstallPackageId = 11
$script:UnInstallPackageId = 12
$script:InstalledPackageId = 15
$script:InstallChocoId = 16
#endregion
#region Provider APIs Implementation
# Mandatory function for the PackageManagement providers. It returns the name of your provider.
function Get-PackageProviderName {
return $script:ProviderName
}
# Mandatory function for the PackageManagement providers. It initializes your provider before performing any actions.
function Initialize-Provider {
Write-Debug ($LocalizedData.ProviderDebugMessage -f ('Initialize-Provider'))
}
# Defines PowerShell dynamic parameters so that a user can pass in parameters via OneGet to the provider
function Get-DynamicOptions
{
param
(
[Microsoft.PackageManagement.MetaProvider.PowerShell.OptionCategory]
$category
)
Write-Debug ($LocalizedData.ProviderDebugMessage -f ('Get-DynamicOptions'))
switch($category)
{
Package {
Write-Output -InputObject (New-DynamicOption -Category $category -Name $script:additionalArguments -ExpectedType String -IsRequired $false)
}
Install
{
Write-Output -InputObject (New-DynamicOption -Category $category -Name $script:additionalArguments -ExpectedType String -IsRequired $false)
}
}
}
# This function gets called during find-package, install-package, get-packagesource etc.
# OneGet uses this method to identify which provider can handle the packages from a particular source location.
function Resolve-PackageSource {
Write-Debug ($LocalizedData.ProviderDebugMessage -f ('Resolve-PackageSource'))
$isTrusted = $false
$isRegistered = $false
$isValidated = $true
$location = $script:PackageSource
foreach($Name in @($request.PackageSources)) {
if($Name -eq $script:PackageSourceName)
{
write-debug ($LocalizedData.ProviderDebugMessage -f ('Resolve-PackageSources to $location'))
New-PackageSource $Name $location $isTrusted $isRegistered $isValidated
}
}
}
# Finds packages by given name and version information.
function Find-Package {
param(
[string] $Name,
[string] $RequiredVersion,
[string] $MinimumVersion,
[string] $MaximumVersion
)
Write-Debug ($LocalizedData.ProviderDebugMessage -f ('Find-Package'))
$ValidationResult = Validate-VersionParameters -Name $Name `
-MinimumVersion $MinimumVersion `
-MaximumVersion $MaximumVersion `
-RequiredVersion $RequiredVersion `
-AllVersions:$request.Options.ContainsKey($script:AllVersions)
if(-not $ValidationResult)
{
# Return now as the version validation failed already
return
}
$force = Get-ForceProperty
if(-not (Install-ChocoBinaries -Force $force)) { return }
# For some reason, we have to convert it to array to make the following choco.exe cmd to work
$additionalArgs = Get-AdditionalArguments
$args = if($additionalArgs) {$additionalArgs.Split(' ')}
$nameContainWildCard = $false
$filterRequired = $false
$options = $request.Options
foreach( $o in $options.Keys )
{
Write-Debug ( "$script:PackageSourceName - OPTION: {0} => {1}" -f ($o, $options[$o]) )
}
if (-not $name)
{
# a user does not provide name, search the entire repo
Write-Error ( $LocalizedData.SearchingEntireRepo)
return
}
# a user specifies -Name
$progress = 5
Write-Progress -Activity $LocalizedData.SearchingForPackage -PercentComplete $progress -Id $script:FindPackageId
if(Test-WildcardPattern -Name $Name)
{
# name contains wildcard
$nameContainWildCard = $true
Write-Debug ("$script:ChocoExePath search $name $additionalArgs")
$packages = & $script:ChocoExePath search $name $args
}
elseif((-not $requiredVersion) -and (-not $minimumVersion) -and (-not $maximumVersion))
{
# a user does not provide version, return the latest version
Write-Debug ("$script:ChocoExePath search $name $additionalArgs")
$packages = & $script:ChocoExePath search $name $args #--exact
}
elseif($options.ContainsKey($script:AllVersions))
{
# a user provides allversion
Write-Debug ("$script:ChocoExePath search $name --allversions $additionalArgs")
$packages = & $script:ChocoExePath search $name --allversions $args
}
else
{
# a user provides any of these: $requiredVersion, $minimumVersion, $maximumVersion.
# as choco does not support version search, we will find all allversions first and
# will perform filter later
Write-Debug ("$script:ChocoExePath search $name --allversions $additionalArgs")
$packages = & $script:ChocoExePath search $name --allversions $args
$filterRequired = $true
}
foreach ($pkg in $packages)
{
$progress += 5
$progress= [System.Math]::Min(100, $progress)
Write-Progress -Activity $LocalizedData.ProcessingPackage -PercentComplete $progress -Id $script:FindPackageId
if($request.IsCanceled) { return }
$Matches = $null
if (($pkg -like "*Approved*") -and ($pkg -match $script:PackageRegex))
{
Write-Debug ("Found a package '{0}'" -f $pkg)
$pkgname = $Matches.name
$pkgversion = $Matches.version
if (-not (Test-Name -Name $name -PackageName $pkgname -NameContainsWildcard $nameContainWildCard))
{
continue
}
if ($pkgname -and $pkgversion)
{
# filter on version
if(-not $filterRequired -or (Test-Version `
-Version $pkgversion `
-RequiredVersion $requiredVersion `
-MinimumVersion $minimumVersion `
-MaximumVersion $maximumVersion ))
{
$swidObject = @{
FastPackageReference = $pkgname+"#" + $pkgversion;
Name = $pkgname;
Version = $pkgversion;
versionScheme = "MultiPartNumeric";
Source = $script:PackageSource;
}
$sid = New-SoftwareIdentity @swidObject
Write-Output -InputObject $sid
}
}
}
}
Write-Progress -Activity $LocalizedData.Complete -PercentComplete 100 -Completed -Id $script:FindPackageId
}
# This function is called by OneGet while a user types Save-Package.
function Download-Package
{
[CmdletBinding()]
param
(
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[string]
$FastPackageReference,
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[string]
$Location
)
Write-Debug ($LocalizedData.ProviderDebugMessage -f ('Download-Package'))
Write-Warning $LocalizedData.SavePackageNotSupported -f $script:ProviderName
}
# It is required to implement this function for the providers that support install-package.
function Install-Package
{
[CmdletBinding()]
param
(
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[string]
$fastPackageReference
)
Write-Debug -Message ($LocalizedData.ProviderDebugMessage -f ('Install-Package'))
Write-Debug -Message ($LocalizedData.FastPackageReference -f $fastPackageReference)
$force = Get-ForceProperty
# Check the source location
if(-Not $fastPackageReference)
{
ThrowError -ExceptionName "System.ArgumentException" `
-ExceptionMessage ($LocalizedData.PathNotFound -f ($fastPackageReference)) `
-ErrorId "PathNotFound" `
-CallerPSCmdlet $PSCmdlet `
-ErrorCategory InvalidArgument `
-ExceptionObject $fastPackageReference
}
$additionalArgs = Get-AdditionalArguments
$additionalArgs = if($additionalArgs) {$additionalArgs.Split(' ')}
$Matches = $null
$isMatch = $fastPackageReference -match $script:FastReferenceRegex
if (-not $isMatch)
{
write-error ($LocalizedData.FailToInstall -f $fastPackageReference)
return
}
$name =$matches.name
$version = $Matches.version
if (-not ($name -and $version))
{
write-error ($LocalizedData.FailToInstall -f $fastPackageReference)
return
}
$shouldContinueQueryMessage = ($LocalizedData.InstallPackageQuery -f "Installing", $name)
$shouldContinueCaption = $LocalizedData.InstallPackageCaption
if(-not ($Force -or $request.ShouldContinue($shouldContinueQueryMessage, $shouldContinueCaption)))
{
Write-Warning ($LocalizedData.NotInstalled -f $fastPackageReference)
return
}
if($force)
{
$installCmd=@("install", $name, "--version", $version, "-y", "-force")
}
else
{
$installCmd=@("install", $name, "--version", $version, "-y")
}
Write-debug ("Calling $installCmd $additionalArgs")
$progress = 1
$job=Start-Job -ScriptBlock {
& $args[0] $args[1] $args[2]
} -ArgumentList @($script:ChocoExePath, $installCmd, $additionalArgs)
Show-Progress -ProgressMessage $LocalizedData.InstallingPackage -PercentComplete $progress -ProgressId $script:InstallPackageId
$packages= $job | Receive-Job -Wait
Process-Package -Name $name `
-RequiredVersion $version `
-OperationMessage $LocalizedData.InstallingPackage `
-ProgressId $script:InstallPackageId `
-PercentComplete $progress `
-Packages $packages
}
# It is required to implement this function for the providers that support UnInstall-Package.
function UnInstall-Package
{
[CmdletBinding()]
param
(
[Parameter(Mandatory=$true)]
[ValidateNotNullOrEmpty()]
[string]
$FastPackageReference
)
Write-Debug -Message ($LocalizedData.ProviderDebugMessage -f ('Uninstall-Package'))
Write-Debug -Message ($LocalizedData.FastPackageReference -f $FastPackageReference)
$force = Get-ForceProperty
$Matches = $null
$isMatch = $FastPackageReference -match $script:FastReferenceRegex
if (-not $isMatch)
{
write-error ($LocalizedData.FailToInstall -f $fastPackageReference)
return
}
$name =$matches.name
$version = $Matches.version
if (-not ($name -and $version))
{
write-error ($LocalizedData.FailToInstall -f $fastPackageReference)
return
}
# Choco will prompt to confirm whether it wants to uninstall dependencies
# a user can pass in -y --remove-dependencies option to avoid hanging
# only provides '--yes' does not suppress prompts
$additionalArgs = Get-AdditionalArguments
$args = $additionalArgs
if($args) {$args = $additionalArgs.Split(' ')}
if($request.Options.ContainsKey($script:AllVersions))
{
$unInstallCmd=@("uninstall", $name, $additionalArgs, "--all-versions")
}
else
{
$unInstallCmd=@("uninstall", $name, "--version", $version)
}
Write-debug ("calling $script:ChocoExePath $unInstallCmd $additionalArgs")
$progress = 1
$job=Start-Job -ScriptBlock {
& $args[0] $args[1] $args[2]
} -ArgumentList @($script:ChocoExePath, $unInstallCmd, $args)
Show-Progress -ProgressMessage $LocalizedData.UnInstallingPackage -PercentComplete $progress -ProgressId $script:UnInstallPackageId
$packages= $job | Receive-Job -Wait
Write-debug ("Completed calling $script:ChocoExePath $unInstallCmd")
Process-Package -Name $name `
-RequiredVersion $version `
-OperationMessage $LocalizedData.UnInstallingPackage `
-ProgressId $script:UnInstallPackageId `
-PercentComplete $progress -Packages $packages `
-NameContainsWildCard $true # pass in $true so that we do not exact name match because choco returns different sometimes.
}
# Returns the packages that are installed.
function Get-InstalledPackage
{
[CmdletBinding()]
param
(
[Parameter()]
[string]
$Name,
[Parameter()]
[string]
$RequiredVersion,
[Parameter()]
[string]
$MinimumVersion,
[Parameter()]
[string]
$MaximumVersion
)
Write-Debug -Message ($LocalizedData.ProviderDebugMessage -f ('Get-InstalledPackage'))
$ValidationResult = Validate-VersionParameters -Name $Name `
-MinimumVersion $MinimumVersion `
-MaximumVersion $MaximumVersion `
-RequiredVersion $RequiredVersion `
-AllVersions:$request.Options.ContainsKey($script:AllVersions)
if(-not $ValidationResult)
{
# Return now as the version validation failed already
return
}
$force = Get-ForceProperty
if(-not (Install-ChocoBinaries -Force $force)) { return }
$nameContainsWildCard = $false
$additionalArgs = Get-AdditionalArguments
$args = if($additionalArgs) {$additionalArgs.Split(' ')}
Write-Progress -Activity $LocalizedData.FindingLocalPackage -PercentComplete 30 -Id $script:InstalledPackageId
# If a user does not provide name or name contains wildcard, search all.
# Choco does not support wildcard if searching local only
if (-not $Name -or (Test-WildcardPattern -Name $Name))
{
$nameContainsWildCard = $true
Write-Debug "calling $script:ChocoExePath search --local-only --allversions $additionalArgs"
$packages = & $script:ChocoExePath search --local-only --allversions $args
}
else
{
Write-Debug "calling $script:ChocoExePath search $Name --local-only --allversions $additionalArgs"
$packages = & $script:ChocoExePath search $Name --local-only --allversions $args
}
Process-Package -Name $Name -ProgressId $script:InstalledPackageId `
-RequiredVersion $RequiredVersion `
-MinimumVersion $MinimumVersion `
-MaximumVersion $MaximumVersion `
-PercentComplete 20 `
-Packages $packages `
-NameContainsWildCard $nameContainsWildCard
Write-Progress -Activity $LocalizedData.Complete -PercentComplete 100 -Completed -Id $script:InstalledPackageId
}
#endregion
#region Helper functions
# Display progress bar
function Show-Progress
{
[CmdletBinding()]
param
(
[parameter()]
[string]
$ProgressMessage,
[parameter()]
[int]
$PercentComplete,
[parameter()]
[int]
$ProgressId
)
$progress = $PercentComplete
While(Get-Job -State 'Running')
{
Start-Sleep -Milliseconds 1000
Write-Progress -Activity $ProgressMessage -PercentComplete $progress -Id $ProgressId
if($progress -ge 100)
{
$progress = 100
}
else {$progress = 0.5 + $progress}
}
}
# Processing the package
function Process-Package
{
[CmdletBinding()]
param
(
[parameter()]
[string]
$Name,
[Parameter()]
[string]
$RequiredVersion,
[Parameter()]
[string]
$MinimumVersion,
[Parameter()]
[string]
$MaximumVersion,
[parameter()]
[string]
$OperationMessage,
[parameter()]
[int]
$ProgressId,
[parameter()]
[int]
$PercentComplete,
[parameter()]
[string[]]
$Packages,
[parameter()]
[bool]
$NameContainsWildCard = $false
)
$progress = $PercentComplete
$actionTaken = $false
foreach ($pkg in $packages)
{
if($request.IsCanceled) { return }
$progress += 5
$progress = [System.Math]::Min(100, $progress)
Write-Progress -Activity $LocalizedData.ProcessingPackage -PercentComplete $progress -Id $ProgressId
$Matches = $null
if (($pkg -match $script:PackageRegex) -and ($pkg -notmatch $script:PackageReportRegex))
{
$pkgname = $Matches.name
$pkgversion = $Matches.version
Write-Debug ("Choco message: '{0}'" -f $pkg)
# check name match
if(-not (Test-Name -Name $name -PackageName $pkgname -NameContainsWildcard $NameContainsWildCard))
{
Write-Debug ("Skipping processing: '{0}'" -f $pkg)
continue
}
if ($pkgname -and $pkgversion)
{
# filter on version
if((Test-Version -Version $pkgversion.TrimStart('v') `
-RequiredVersion $requiredVersion `
-MinimumVersion $minimumVersion `
-MaximumVersion $maximumVersion ))
{
$swidObject = @{
FastPackageReference = $pkgname+"#" + $pkgversion;
Name = $pkgname;
Version = $pkgversion;
versionScheme = "MultiPartNumeric";
Source = $script:PackageSource;
}
$sid = New-SoftwareIdentity @swidObject
Write-Output -InputObject $sid
if(-Not $actionTaken) {$actionTaken = $true}
}
}
}
}
if ($OperationMessage)
{
if($actionTaken)
{
Write-Verbose ($LocalizedData.OperationSucceed -f $OperationMessage, $FastPackageReference)
}
else
{
Write-Error ($LocalizedData.OperationFailed -f $OperationMessage, $FastPackageReference)
}
}
Write-Progress -Activity $LocalizedData.Complete -PercentComplete 100 -Completed -Id $ProgressId
}
# Get AdditionalArguments property from the input cmdline
function Get-AdditionalArguments
{
[CmdletBinding()]
[OutputType([string])]
param
(
)
$additionalArgs = $null
$options = $request.Options
if($options.ContainsKey($script:additionalArguments))
{
$additionalArgs = $options[$script:additionalArguments]
}
return $additionalArgs
}
# Filter on name
function Test-Name
{
[CmdletBinding()]
[OutputType([bool])]
param
(
[string]
$Name,
[string]
$PackageName,
[bool]
$NameContainsWildcard
)
$nameRegex=$Name.TrimStart('*')
$nameRegex=$nameRegex.TrimEnd('.')
$nameRegex="^.*$nameRegex.*$"
# filter on name
if ($Name -and $PackageName -and ($PackageName -notmatch "$nameRegex"))
{
return $false
}
# exact name match
if($Name -and $PackageName -and (-not $NameContainsWildcard) -and ($Name -ne $PackageName))
{
return $false
}
return $true
}
# Find whether a user specifies -force
function Get-ForceProperty
{
[CmdletBinding()]
[OutputType([bool])]
param
(
)
$force = $false
$options = $request.Options
if($options.ContainsKey('Force'))
{
$force = (-not [System.String]::IsNullOrWhiteSpace($options['Force']))
}
return $force
}
# Install choco
function Install-ChocoBinaries
{
[CmdletBinding()]
[OutputType([bool])]
param
(
[parameter()]
[bool]
$Force
)
if($script:isNanoServer -or (IsCoreCLR))
{
Write-Error ($LocalizedData.ChocoUnSupportedOnCoreCLR -f $script:ProviderName)
return $false
}
if($script:ChocoExePath -and (Microsoft.PowerShell.Management\Test-Path -Path $script:ChocoExePath))
{
Write-Debug ("Choco already installed in '{0}'" -f $script:ChocoExePath)
return $true
}
# Setup $script:ChocoExePath
if ((Get-ChocoPath) -and $script:ChocoExePath)
{
Write-Debug ("Choco already installed in '{0}'" -f $script:ChocoExePath)
if(-not $script:firstTime)
{
$script:firstTime = $false
return $true
}
$progress = 5
Write-Progress -Activity $LocalizedData.CheckingChoco -PercentComplete $progress -Id $script:InstallChocoId
# For the first time in the current PowerShell Session, we check choco version to see if upgrade is needed
$name = "Chocolatey"
Write-Debug ("$script:ChocoExePath search $name")
$packages = & $script:ChocoExePath search $name
$progress += 5
Write-Progress -Activity $LocalizedData.CheckingChoco -PercentComplete $progress -Id $script:InstallChocoId
foreach ($pkg in $packages)
{
if($request.IsCanceled) { return }
$Matches = $null
if (($pkg -match $script:PackageRegex) -and ($pkg -notmatch $script:PackageReportRegex))
{
$pkgname = $Matches.name
$pkgversion = $Matches.version
Write-Debug ("Choco message: '{0}'" -f $pkg)
# check name match
if(-not (Test-Name -Name $name -PackageName $pkgname))
{
Write-Debug ("Skipping processing: '{0}'" -f $pkg)
continue
}
if ($pkgname -and $pkgversion)
{
$installedVersion = Get-InstalledChocoVersion
$progress += 5
Write-Progress -Activity $LocalizedData.CheckingChoco -PercentComplete $progress -Id $script:InstallChocoId
if((Compare-SemVer -Version1 $pkgversion.Trim('v') -Version2 $installedVersion) -eq 1)
{
# There is a newer version of Chocolatey available
Write-Verbose ($LocalizedData.FoundNewerChocolatey -f $pkgversion, $installedVersion)
# Should continue message for upgrading Choco.exe
$shouldContinueQueryMessageUpgrade = ($LocalizedData.UpgradePackageQuery -f $pkgversion)
$shouldContinueCaptionUpgrade = ($LocalizedData.InstallPackageQuery -f "Upgrading", $name)
if($Force -or $request.ShouldContinue($shouldContinueQueryMessageUpgrade, $shouldContinueCaptionUpgrade))
{
Write-Progress -Activity $LocalizedData.UpgradingChoco -PercentComplete $progress -Id $script:InstallChocoId
Write-Debug ("Calling $script:ChocoExePath upgrade chocolatey")
$job=Start-Job -ScriptBlock {
& $args[0] upgrade chocolatey -y
} -ArgumentList @($script:ChocoExePath)
Show-Progress -ProgressMessage $LocalizedData.UpgradingChoco `
-PercentComplete $progress `
-ProgressId $script:InstallChocoId
$packages= $job | Receive-Job -Wait
Process-Package -Name $name `
-RequiredVersion $pkgversion `
-OperationMessage $LocalizedData.UpgradingChoco `
-ProgressId $script:InstallChocoId `
-PercentComplete $progress `
-Packages $packages
}
}
else
{
Write-Debug ("Current version of chocolatey is up to date")
}
break
}
}
} # foreach
Write-Progress -Activity $LocalizedData.Complete -PercentComplete 100 -Completed -Id $script:InstallChocoId
return $true
}
# Should continue message for installing Choco.exe
$shouldContinueQueryMessage = $LocalizedData.InstallChocoExeShouldContinueQuery
$shouldContinueCaption = $LocalizedData.InstallChocoExeShouldContinueCaption
if(-not $Force)
{
$continue = $request.ShouldContinue($shouldContinueQueryMessage, $shouldContinueCaption)
if(-not $continue)
{
Write-Error ($LocalizedData.UserDeclined -f "install")
return $false
}
}
# install choco based on https://chocolatey.org/install#before-you-install
try{
Invoke-WebRequest 'https://chocolatey.org/install.ps1' -UseBasicParsing | Invoke-Expression > $null
}
catch
{
if($error[0])
{
Write-Error $error[0]
}
}
if (Get-ChocoPath)
{
return $true
}
else
{
Write-Error ($LocalizedData.FailToInstallChoco)
}
return $false
}
# Get the choco installed path
function Get-ChocoPath
{
[CmdletBinding()]
[OutputType([string])]
param(
)
# Using Get-Command cmdlet, get the location of Choco.exe if it is available under $env:PATH.
$chocoCmd = Microsoft.PowerShell.Core\Get-Command -Name $script:ChocoExeName `
-ErrorAction SilentlyContinue `
-WarningAction SilentlyContinue |
Microsoft.PowerShell.Core\Where-Object {
$_.Path -and
((Microsoft.PowerShell.Management\Split-Path -Path $_.Path -Leaf) -eq $script:ChocoExeName) -and
(-not $_.Path.StartsWith($env:windir, [System.StringComparison]::OrdinalIgnoreCase))
} | Microsoft.PowerShell.Utility\Select-Object -First 1
if($chocoCmd -and $chocoCmd.Path)
{
$script:ChocoExePath = $chocoCmd.Path
$BootstrapChocoExe = $false
Write-Verbose ($LocalizedData.ChocoFound -f $script:ChocoExePath)
}
else
{
return $null
}
return $chocoCmd.Path
}
function Get-InstalledChocoVersion
{
$name = "Chocolatey"
$installedChocoVersion = $null
Write-Debug ("Calling $script:ChocoExePath search chocolatey --local-only")
$packages = & $script:ChocoExePath search chocolatey --local-only
foreach ($pkg in $packages)
{
if($request.IsCanceled) { return }
$Matches = $null
if (($pkg -match $script:PackageRegex) -and ($pkg -notmatch $script:PackageReportRegex))
{
$pkgname = $Matches.name
$pkgversion = $Matches.version
Write-Debug ("Choco message: '{0}'" -f $pkg)
# check name match
if(-not (Test-Name -Name $name -PackageName $pkgname))
{
Write-Debug ("Skipping processing: '{0}'" -f $pkg)
continue
}
if ($pkgname -and $pkgversion)
{
$installedChocoVersion = $pkgversion.Trim('v')
break
}
}
} # foreach
return $installedChocoVersion
}
# Check whether $version meets the criteria defined in $RequiredVersion, $MinimumVersion and $MaximumVersion
function Test-Version
{
[CmdletBinding()]
[OutputType([bool])]
param(
[Parameter(Mandatory=$true)]
[ValidateNotNull()]
$Version,
[Parameter()]
[string]
$RequiredVersion,
[Parameter()]
[string]
$MinimumVersion,
[Parameter()]
[string]
$MaximumVersion
)
if(-not ($RequiredVersion -or $MinimumVersion -or $MaximumVersion))
{
return $true
}
if($RequiredVersion)
{
return ($Version -eq $RequiredVersion)
}
$isMatch = $false
if($MinimumVersion)
{
$isMatch = $Version -ge $MinimumVersion
}
if($MaximumVersion)
{
if($MinimumVersion)
{
$isMatch = $isMatch -and ($Version -le $MaximumVersion)
}
else
{
$isMatch = $Version -le $MaximumVersion
}
}
return $isMatch
}
# Test if the $Name contains any wildcard characters
function Test-WildcardPattern
{
[CmdletBinding()]
[OutputType([bool])]
param(
[Parameter(Mandatory=$true)]
[ValidateNotNull()]
$Name
)
return [System.Management.Automation.WildcardPattern]::ContainsWildcardCharacters($Name)
}
# Validate versions
function Validate-VersionParameters
{
Param(