Prepare for publishing NuGet packages into Maven

Author: AliveDevil

build.xml

@@ -147,4 +147,12 @@
             </filterchain>
         </copy>
     </target>
-</project>
+
+    <target name="nuget-unpack">
+        <exec dir="." executable="powershell.exe">
+            <arg line="-ExecutionPolicy bypass" />
+            <arg value="-Command" />
+            <arg value="&amp; { &amp; '${home}/src/main/msbuild/NuGet-Unpack.ps1' '${build}/.nuget/packages.list' }" />
+        </exec>
+    </target>
+</project>

nuget.config

@@ -7,6 +7,9 @@
     <add key="gh-ikvmnet" value="https://nuget.pkg.github.com/ikvmnet/index.json" protocolVersion="3" />
   </packageSources>
   <packageSourceMapping>
+    <packageSource key="MavenFailNuget">
+      <package pattern="Cyberduck*" />
+    </packageSource>
     <packageSource key="nuget.org">
       <package pattern="IKVM.ByteCode" />
       <package pattern="*" />

src/main/msbuild/NuGet-Unpack.ps1

@@ -0,0 +1,33 @@
+[CmdletBinding()]
+param (
+    # Source path, where all .nupkgs are stored.
+    [Parameter()]
+    [string]
+    $PackagesListPath
+)
+
+if (-not (Test-Path -Path $PackagesListPath -PathType Leaf)) {
+    return;
+}
+
+$NugetParent = [System.IO.Path]::GetDirectoryName($PackagesListPath)
+$CachePath = "$NugetParent\cache"
+$PackagesPath = "$NugetParent\packages"
+
+foreach ($line in Get-Content $PackagesListPath) {
+    $line = $line.Trim()
+    if ($line -notmatch "\s*(?<group>[^:]+):(?<artifact>[^:]+):(?<type>[^:]+):(?<version>[^:]+):(?<scope>[^:]+)$") {
+        continue
+    }
+
+    $artifact = $Matches["artifact"]
+    $version = $Matches["version"]
+
+    $NupkgFile = "$CachePath\$artifact-$version.nupkg"
+    $NupkgZip = "$CachePath\$artifact-$version.zip"
+    $TargetDirectory = "$PackagesPath\$artifact\$version"
+    Copy-Item $NupkgFile $NupkgZip
+    Expand-Archive $NupkgZip $TargetDirectory -Force
+    Remove-Item $NupkgZip
+    Set-Content "$TargetDirectory\.nupkg.metadata" '{}'
+}