Updates assembly versions

Update-Version.ps1

# Usage: Update-Version.ps1 -Version [-Path] [-Verbose]
# Example: .\Update-Version.ps1 -Version "1.2.3.4" -Path ..\Path\To\Sln -Verbose
param(
[Parameter(Mandatory = $false)]
[string]$Path,
[Parameter(Mandatory = $true)]
[string]$Version)

function Update-AssemblyInfo(
[string]$FilePath = $(throw "FilePath is required"),
[string]$AssemblyVersion = $(throw "AssemblyVersion is required"),
[string]$AssemblyFileVersion = $(throw "AssemblyFileVersion is required"))
{
    if(Test-Path $FilePath) {
        $FileContent = Get-Content $FilePath | 
           %{$_ -replace '(?<=AssemblyVersion\(")[0-9]+(\.([0-9]+|\*)){1,3}(?=\"\))', $AssemblyVersion } |
           %{$_ -replace '(?<=AssemblyFileVersion\(")[0-9]+(\.([0-9]+|\*)){1,3}(?=\"\))', $AssemblyFileVersion }

        $Utf8NoBomEncoding = New-Object System.Text.UTF8Encoding($true)
        $FullPath = Resolve-Path -Path $FilePath
        [System.IO.File]::WriteAllLines($FullPath, $FileContent, $Utf8NoBomEncoding)

        $VerboseMsg = "File updated {0}" -f $FilePath
        Write-Verbose $VerboseMsg
    }
}

function Update-Wxs(
[string]$FilePath = $(throw "FilePath is required"),
[string]$ProductVersion = $(throw "ProductVersion is required"))
{
    if(Test-Path $FilePath) {
        $UpgradeGuid = [System.Guid]::NewGuid();
        
        $FileContent = Get-Content $FilePath | 
           %{$_ -replace '(?<=\<Product .* Version=\")[0-9]+(\.([0-9]+|\*)){1,3}(?=\")', $ProductVersion } |
           %{$_ -replace '(?<=\<Product .* UpgradeCode=\")[A-F0-9]{8}(?:-[A-F0-9]{4}){3}-[A-F0-9]{12}(?=\")', $UpgradeGuid }

        $Utf8Encoding = New-Object System.Text.UTF8Encoding($true)
        $FullPath = Resolve-Path -Path $FilePath
        [System.IO.File]::WriteAllLines($FullPath, $FileContent, $Utf8Encoding)

        $VerboseMsg = "File updated {0}" -f $FilePath
        Write-Verbose $VerboseMsg
    }
}

if([string]::IsNullOrEmpty($Path))
{
    $Path = ".\";
}

if([string]::IsNullOrEmpty($Version) -eq $false)
{
    $Version | ? {$_ -match '(?<=.*)[0-9]+(\.([0-9]+|\*)){1,3}(?=.*)'} ; $Version = $matches[0]
}
else
{
    $Version = '1.0.0.0';
}

$FolderList = Get-ChildItem -path $Path | Where-Object {$_.PsisContainer -eq "True"} | Select-Object name

foreach($Folder in $FolderList)
{
    foreach($File in "AssemblyInfo.cs","AssemblyInfo.vb")
    {
        $FullFilePath = "{0}\{1}\Properties\{2}" -f $Path, $Folder.Name, $File
        if(Test-Path $FullFilePath)
        {
            Update-AssemblyInfo -FilePath $FullFilePath -AssemblyVersion $Version -AssemblyFileVersion $Version
        }
    }

    foreach($File in "Product.wxs")
    {
        $FullFilePath = "{0}\{1}\{2}" -f $Path, $Folder.Name, $File
        if(Test-Path $FullFilePath)
        {
            Update-Wxs -FilePath $FullFilePath -ProductVersion $Version
        }
    }
}