From 2d8a3d5f8ed9a81661271d92163ccf75707a91d8 Mon Sep 17 00:00:00 2001
From: Atif Aziz <code@raboof.com>
Date: Sat, 21 Jan 2023 13:14:21 +0100
Subject: [PATCH] Revert "Integrate templated code generation into project file
 (#776)"

This reverts commit f669558facbbec9269a466c81594d5db8a19b4d1.
---
 MoreLinq/MoreLinq.csproj | 30 ------------------------------
 MoreLinq/tt.cmd          |  8 ++++++++
 MoreLinq/tt.sh           |  4 ++++
 build.cmd                |  1 +
 build.sh                 |  1 +
 5 files changed, 14 insertions(+), 30 deletions(-)
 create mode 100644 MoreLinq/tt.cmd
 create mode 100755 MoreLinq/tt.sh

diff --git a/MoreLinq/MoreLinq.csproj b/MoreLinq/MoreLinq.csproj
index b07b9a2bd..b357ef6c4 100644
--- a/MoreLinq/MoreLinq.csproj
+++ b/MoreLinq/MoreLinq.csproj
@@ -157,7 +157,6 @@
 
   <ItemGroup>
     <None Include="..\COPYING.txt" Pack="true" PackagePath="$(PackageLicenseFile)" />
-    <None Include="*.g.tt" />
     <None Update="Aggregate.g.tt">
       <Generator>TextTemplatingFileGenerator</Generator>
       <LastGenOutput>Aggregate.g.cs</LastGenOutput>
@@ -248,33 +247,4 @@
     </Compile>
   </ItemGroup>
 
-  <Target Name="_CollectTextTemplates">
-    <ItemGroup>
-      <TextTemplate Include="%(None.Identity)" Condition="'%(None.Generator)' == 'TextTemplatingFileGenerator'">
-        <LastGenOutput>%(None.LastGenOutput)</LastGenOutput>
-      </TextTemplate>
-    </ItemGroup>
-  </Target>
-
-  <Target Name="_TransformTextTemplate" Inputs="$(TextTemplate)" Outputs="$(TextTemplateOutput)">
-    <Exec Command="dotnet t4 -h &gt; /dev/null" IgnoreExitCode="True" Condition="'$(WINDIR)' == ''">
-      <Output TaskParameter="ExitCode" PropertyName="_TestExitCode" />
-    </Exec>
-    <Exec Command="dotnet t4 -h &gt; NUL" IgnoreExitCode="True" Condition="'$(WINDIR)' != ''">
-      <Output TaskParameter="ExitCode" PropertyName="_TestExitCode" />
-    </Exec>
-    <Exec Command="dotnet tool restore" Condition="$(_TestExitCode) != 0" />
-    <Exec Command="dotnet t4 $(TextTemplate)" />
-  </Target>
-
-  <Target Name="TransformTextTemplates"
-          DependsOnTargets="_CollectTextTemplates">
-    <MSBuild Projects="$(MSBuildProjectFile)"
-             Targets="_TransformTextTemplate"
-             Properties="TextTemplate=%(TextTemplate.Identity);TextTemplateOutput=%(TextTemplate.LastGenOutput)"  />
-  </Target>
-
-  <Target Name="_TransformTextTemplates"
-          AfterTargets="BeforeBuild" DependsOnTargets="TransformTextTemplates" />
-
 </Project>
diff --git a/MoreLinq/tt.cmd b/MoreLinq/tt.cmd
new file mode 100644
index 000000000..cbb7ac281
--- /dev/null
+++ b/MoreLinq/tt.cmd
@@ -0,0 +1,8 @@
+@echo off
+pushd "%~dp0"
+for /f "tokens=*" %%f in ('dir /s /b *.tt') do (
+    echo>&2 dotnet t4 "%%f"
+    dotnet t4 "%%f" || goto :end
+)
+:end
+popd
diff --git a/MoreLinq/tt.sh b/MoreLinq/tt.sh
new file mode 100755
index 000000000..49be91c70
--- /dev/null
+++ b/MoreLinq/tt.sh
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+set -e
+cd "$(dirname "$0")"
+find . -name "*.tt" -print0 | xargs -0 -t -L 1 sh -c '(dotnet t4 "$0" || exit 255)'
diff --git a/build.cmd b/build.cmd
index 18923a015..ae3dbc0db 100644
--- a/build.cmd
+++ b/build.cmd
@@ -13,6 +13,7 @@ if "%1"=="docs" shift & goto :docs
 dotnet restore && dotnet tool restore ^
   && call :codegen MoreLinq\Extensions.g.cs -x "[/\\]ToDataTable\.cs$" -u System.Linq -u System.Collections MoreLinq ^
   && call :codegen MoreLinq\Extensions.ToDataTable.g.cs -i "[/\\]ToDataTable\.cs$" -u System.Data -u System.Linq.Expressions MoreLinq ^
+  && call MoreLinq\tt ^
   && for %%i in (debug release) do dotnet build -c %%i --no-restore %* || exit /b 1
 goto :EOF
 
diff --git a/build.sh b/build.sh
index 7d188c377..ac7f75b51 100755
--- a/build.sh
+++ b/build.sh
@@ -12,6 +12,7 @@ codegen() {
 }
 codegen MoreLinq/Extensions.g.cs -x "[/\\\\]ToDataTable\.cs$" -u System.Linq -u System.Collections MoreLinq
 codegen MoreLinq/Extensions.ToDataTable.g.cs -i "[/\\\\]ToDataTable\.cs$" -u System.Data -u System.Linq.Expressions MoreLinq
+MoreLinq/tt.sh
 if [[ -z "$1" ]]; then
     configs="Debug Release"
 else