Install-Module with a compulsory clobber check

Install-ModuleProxy.ps1

[CmdletBinding(DefaultParameterSetName='NameParameterSet', SupportsShouldProcess=$true, ConfirmImpact='Medium', HelpUri='https://go.microsoft.com/fwlink/?LinkID=398573')]
param(
    [Parameter(ParameterSetName='NameParameterSet', Mandatory=$true, Position=0, ValueFromPipelineByPropertyName=$true)]
    [ValidateNotNullOrEmpty()]
    [string[]]
    ${Name},

    [Parameter(ParameterSetName='InputObject', Mandatory=$true, Position=0, ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true)]
    [ValidateNotNull()]
    [psobject[]]
    ${InputObject},

    [Parameter(ParameterSetName='NameParameterSet', ValueFromPipelineByPropertyName=$true)]
    [ValidateNotNull()]
    [version]
    ${MinimumVersion},

    [Parameter(ParameterSetName='NameParameterSet', ValueFromPipelineByPropertyName=$true)]
    [ValidateNotNull()]
    [version]
    ${MaximumVersion},

    [Parameter(ParameterSetName='NameParameterSet', ValueFromPipelineByPropertyName=$true)]
    [ValidateNotNull()]
    [version]
    ${RequiredVersion},

    [Parameter(ParameterSetName='NameParameterSet')]
    [ValidateNotNullOrEmpty()]
    [string[]]
    ${Repository},

    [Parameter(ValueFromPipelineByPropertyName=$true)]
    [pscredential]
    [System.Management.Automation.CredentialAttribute()]
    ${Credential},

    [ValidateSet('CurrentUser','AllUsers')]
    [string]
    ${Scope},

    [Parameter(ValueFromPipelineByPropertyName=$true)]
    [ValidateNotNullOrEmpty()]
    [uri]
    ${Proxy},

    [Parameter(ValueFromPipelineByPropertyName=$true)]
    [pscredential]
    [System.Management.Automation.CredentialAttribute()]
    ${ProxyCredential},

    [switch]
    ${AllowClobber},

    [switch]
    ${SkipPublisherCheck},

    [switch]
    ${Force})

begin
{
    if($PSCmdlet.ParameterSetName -eq 'InputObject'){
        $Name = $InputObject.Name
    }

    if(-not $AllowClobber){
        $Commands = (Get-Command).Name
        $CommandNameCollisions = (Find-Command -ModuleName $Name).Name |Where {$Commands -contains $_}

        if($CommandNameCollisions) {
            Write-Error "Command name overlap detected in module {1}: {0}" -f ($CommandNameCollisions -join ', '),$Name
            return
        }
    }

    try {
        $outBuffer = $null
        if ($PSBoundParameters.TryGetValue('OutBuffer', [ref]$outBuffer))
        {
            $PSBoundParameters['OutBuffer'] = 1
        }
        $wrappedCmd = $ExecutionContext.InvokeCommand.GetCommand('Install-Module', [System.Management.Automation.CommandTypes]::Function)
        $scriptCmd = {& $wrappedCmd @PSBoundParameters }
        $steppablePipeline = $scriptCmd.GetSteppablePipeline()
        $steppablePipeline.Begin($PSCmdlet)
    } catch {
        throw
    }
}

process
{
    try {
        $steppablePipeline.Process($_)
    } catch {
        throw
    }
}

end
{
    try {
        $steppablePipeline.End()
    } catch {
        throw
    }
}
<#

.ForwardHelpTargetName Install-Module
.ForwardHelpCategory Function

#>