build.ps1

param ($Task = 'Default')

function Resolve-Module {
    [Cmdletbinding()]
    param (
        [Parameter(Mandatory)]
        [string[]]$Name
    )

    Process {
        foreach ($ModuleName in $Name) {
            $Module = Get-Module -Name $ModuleName -ListAvailable
            Write-Verbose -Message "Resolving Module $($ModuleName)"

            if ($Module) {
                $Version = $Module | Measure-Object -Property Version -Maximum | Select-Object -ExpandProperty Maximum
                $GalleryVersion = Find-Module -Name $ModuleName -Repository PSGallery | Measure-Object -Property Version -Maximum | Select-Object -ExpandProperty Maximum

                if ($Version -lt $GalleryVersion) {

                    if ((Get-PSRepository -Name PSGallery).InstallationPolicy -ne 'Trusted') { Set-PSRepository -Name PSGallery -InstallationPolicy Trusted }

                    Write-Verbose -Message "$($ModuleName) Installed Version [$($Version.tostring())] is outdated. Installing Gallery Version [$($GalleryVersion.tostring())]"

                    Install-Module -Name $ModuleName -Force
                    Import-Module -Name $ModuleName -Force -RequiredVersion $GalleryVersion
                }
                else {
                    Write-Verbose -Message "Module Installed, Importing $($ModuleName)"
                    Import-Module -Name $ModuleName -Force -RequiredVersion $Version
                }
            }
            else {
                Write-Verbose -Message "$($ModuleName) Missing, installing Module"
                Install-Module -Name $ModuleName -Force
                Import-Module -Name $ModuleName -Force -RequiredVersion $Version
            }
        }
    }
}
Write-Output 'Starting build'
Write-Output '  Checking dependencies'
Get-PackageProvider -Name NuGet -ForceBootstrap | Out-Null

Resolve-Module PSDeploy, Pester, BuildHelpers, Psake

Set-BuildEnvironment

Write-Output "  Invoke Psake"
Invoke-psake -buildFile .\psake.ps1 -taskList $Task -nologo
exit ([int](-not $psake.build_success))