From a51c357b08726cb58570d73deb3c6ee1e3bd726c Mon Sep 17 00:00:00 2001
From: Hasso <hasso_pape@sil.org>
Date: Thu, 8 Dec 2022 13:37:36 -0600
Subject: [PATCH] Revert "Remove NuGet.targets" (I got too excited)

This reverts commit 8cb1a0678ae89bb08b8fa0353199d6228089d25e.
---
 src/Installer/ChorusMergeModule.wixproj |  3 +-
 src/Installer/NuGet.targets             | 64 +++++++++++++++++++++++++
 2 files changed, 66 insertions(+), 1 deletion(-)
 create mode 100644 src/Installer/NuGet.targets

diff --git a/src/Installer/ChorusMergeModule.wixproj b/src/Installer/ChorusMergeModule.wixproj
index 0c02c04c..5acf2c89 100644
--- a/src/Installer/ChorusMergeModule.wixproj
+++ b/src/Installer/ChorusMergeModule.wixproj
@@ -31,6 +31,7 @@
 	</WixExtension>
   </ItemGroup>
   <Import Project="$(WixTargetsPath)" />
+  <Import Project="NuGet.targets" />
 
   <!-- Pack NuGet Package -->
   <PropertyGroup>
@@ -40,7 +41,7 @@
 	<Year>$([System.DateTime]::Now.ToString(yyyy))</Year>
   </PropertyGroup>
 
-  <Target Name="pack">
+  <Target Name="pack" DependsOnTargets="CheckPrerequisites">
 	<Exec Command="$(NuGetCommand) pack ChorusMergeModule.nuspec -Version $(GitVersion_NuGetVersion)" />
 	<Copy SourceFiles="$(PackageId).$(Version).nupkg" DestinationFolder="$(MSBuildThisFileDirectory)../../output" />
   </Target>
diff --git a/src/Installer/NuGet.targets b/src/Installer/NuGet.targets
new file mode 100644
index 00000000..9252fffc
--- /dev/null
+++ b/src/Installer/NuGet.targets
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+	<PropertyGroup>
+		<NuGetToolsPath>$(MSBuildThisFileDirectory)</NuGetToolsPath>
+
+		<!-- NuGet command -->
+		<NuGetExePath Condition=" '$(NuGetExePath)' == '' ">$(NuGetToolsPath)nuget.exe</NuGetExePath>
+
+		<NuGetCommand Condition=" '$(OS)' == 'Windows_NT'">"$(NuGetExePath)"</NuGetCommand>
+		<NuGetCommand Condition=" '$(OS)' != 'Windows_NT' ">mono $(NuGetExePath)</NuGetCommand>
+		<NuGetDownloadUrl>https://dist.nuget.org/win-x86-commandline/latest/nuget.exe</NuGetDownloadUrl>
+	</PropertyGroup>
+
+	<Target Name="CheckPrerequisites">
+		<!--
+		Take advantage of MsBuild's build dependency tracking to make sure that we only ever download nuget.exe once.
+		This effectively acts as a lock that makes sure that the download operation will only happen once and all
+		parallel builds will have to wait for it to complete.
+		-->
+		<MsBuild Targets="_DownloadNuGet" Projects="$(MSBuildThisFileFullPath)"
+			Properties="Configuration=NOT_IMPORTANT" />
+	</Target>
+
+	<Target Name="_DownloadNuGet" Condition="!Exists('$(NuGetExePath)')">
+		<DownloadNuGet OutputFilename="$(NuGetExePath)" Condition="'$(OS)' == 'Windows_NT'" />
+		<Exec Command="wget $(NuGetDownloadUrl) || curl -O -L $(NuGetDownloadUrl)"
+			WorkingDirectory="$(NuGetToolsPath)"
+			Condition="'$(OS)' != 'Windows_NT'" />
+	</Target>
+
+	<UsingTask TaskName="DownloadNuGet" TaskFactory="CodeTaskFactory"
+		AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll"
+		Condition=" '$(OS)' == 'Windows_NT' ">
+		<ParameterGroup>
+			<OutputFilename ParameterType="System.String" Required="true" />
+		</ParameterGroup>
+		<Task>
+			<Reference Include="System.Core" />
+			<Using Namespace="System" />
+			<Using Namespace="System.IO" />
+			<Using Namespace="System.Net" />
+			<Using Namespace="Microsoft.Build.Framework" />
+			<Using Namespace="Microsoft.Build.Utilities" />
+			<Code Type="Fragment" Language="cs">
+				<![CDATA[
+				try {
+					OutputFilename = Path.GetFullPath(OutputFilename);
+
+					Log.LogMessage("Downloading latest version of nuget.exe...");
+					ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls12;
+					WebClient webClient = new WebClient();
+					webClient.DownloadFile("$(NuGetDownloadUrl)", OutputFilename);
+
+					return true;
+				}
+				catch (Exception ex) {
+					Log.LogErrorFromException(ex);
+					return false;
+				}
+			]]>
+			</Code>
+		</Task>
+	</UsingTask>
+</Project>