Fix the ability to set Build-Module parameters in build.psd1

Fixes #128 and a few related (undiscovered) bugs where
parameters set in build.psd1 would not have worked, including:
Target, Passthru, Version, SemVer, Prerelease, BuildMetadata

Author: Jaykul

Source/Public/Build-Module.ps1

@@ -169,23 +169,23 @@ function Build-Module {
 
             # Ensure the OutputDirectory (exists for build, or is cleaned otherwise)
             $OutputDirectory = $ModuleInfo | ResolveOutputFolder
-            if ($Target -notmatch "Build") {
+            if ($ModuleInfo.Target -notmatch "Build") {
                 return
             }
             $RootModule = Join-Path $OutputDirectory "$($ModuleInfo.Name).psm1"
             $OutputManifest = Join-Path $OutputDirectory "$($ModuleInfo.Name).psd1"
             Write-Verbose  "Output to: $OutputDirectory"
 
             # Skip the build if it's up to date already
-            Write-Verbose "Target $Target"
+            Write-Verbose "Target $($ModuleInfo.Target)"
             $NewestBuild = (Get-Item $RootModule -ErrorAction SilentlyContinue).LastWriteTime
             $IsNew = Get-ChildItem $ModuleInfo.ModuleBase -Recurse |
                 Where-Object LastWriteTime -gt $NewestBuild |
                 Select-Object -First 1 -ExpandProperty LastWriteTime
 
             if ($null -eq $IsNew) {
                 # This is mostly for testing ...
-                if ($Passthru) {
+                if ($ModuleInfo.Passthru) {
                     Get-Module $OutputManifest -ListAvailable
                 }
                 return # Skip the build
@@ -240,31 +240,31 @@ function Build-Module {
             }
 
             try {
-                if ($Version) {
-                    Write-Verbose "Update Manifest at $OutputManifest with version: $Version"
-                    Update-Metadata -Path $OutputManifest -PropertyName ModuleVersion -Value $Version
+                if ($ModuleInfo.Version) {
+                    Write-Verbose "Update Manifest at $OutputManifest with version: $($ModuleInfo.Version)"
+                    Update-Metadata -Path $OutputManifest -PropertyName ModuleVersion -Value $ModuleInfo.Version
                 }
             } catch {
-                Write-Warning "Failed to update version to $Version. $_"
+                Write-Warning "Failed to update version to $($ModuleInfo.Version). $_"
             }
 
             if ($null -ne (Get-Metadata -Path $OutputManifest -PropertyName PrivateData.PSData.Prerelease -ErrorAction SilentlyContinue)) {
-                if ($Prerelease) {
-                    Write-Verbose "Update Manifest at $OutputManifest with Prerelease: $Prerelease"
-                    Update-Metadata -Path $OutputManifest -PropertyName PrivateData.PSData.Prerelease -Value $Prerelease
+                if ($ModuleInfo.Prerelease) {
+                    Write-Verbose "Update Manifest at $OutputManifest with Prerelease: $($ModuleInfo.Prerelease)"
+                    Update-Metadata -Path $OutputManifest -PropertyName PrivateData.PSData.Prerelease -Value $ModuleInfo.Prerelease
                 } elseif ($PSCmdlet.ParameterSetName -eq "SemanticVersion" -or $PSBoundParameters.ContainsKey("Prerelease")) {
                     Update-Metadata -Path $OutputManifest -PropertyName PrivateData.PSData.Prerelease -Value ""
                 }
-            } elseif($Prerelease) {
+            } elseif ($ModuleInfo.Prerelease) {
                 Write-Warning ("Cannot set Prerelease in module manifest. Add an empty Prerelease to your module manifest, like:`n" +
                                '         PrivateData = @{ PSData = @{ Prerelease = "" } }')
             }
 
-            if ($BuildMetadata) {
-                Write-Verbose "Update Manifest at $OutputManifest with metadata: $BuildMetadata from $SemVer"
+            if ($ModuleInfo.BuildMetadata) {
+                Write-Verbose "Update Manifest at $OutputManifest with metadata: $($ModuleInfo.BuildMetadata) from $($ModuleInfo.SemVer)"
                 $RelNote = Get-Metadata -Path $OutputManifest -PropertyName PrivateData.PSData.ReleaseNotes -ErrorAction SilentlyContinue
                 if ($null -ne $RelNote) {
-                    $Line = "$($ModuleInfo.Name) v$($SemVer)"
+                    $Line = "$($ModuleInfo.Name) v$($($ModuleInfo.SemVer))"
                     if ([string]::IsNullOrWhiteSpace($RelNote)) {
                         Write-Verbose "New ReleaseNotes:`n$Line"
                         Update-Metadata -Path $OutputManifest -PropertyName PrivateData.PSData.ReleaseNotes -Value $Line
@@ -284,7 +284,7 @@ function Build-Module {
             }
 
             # This is mostly for testing ...
-            if ($Passthru) {
+            if ($ModuleInfo.Passthru) {
                 Get-Module $OutputManifest -ListAvailable
             }
         } finally {