Add automatic local nuget config

CMake now automatically generates `nuget.config` with a read-only PAT

Signed-off-by: Emily Mabrey <emabrey@tenacityaudio.org>

CMakeLists.txt

@@ -144,6 +144,36 @@ if( VCPKG )
     endif()
   endif()
 
+  if( NOT DEFINED ENV{CI} AND NOT EXISTS ${CMAKE_SOURCE_DIR}/nuget.config AND (EXISTS ${VCPKG_ROOT}/vcpkg OR EXISTS ${VCPKG_ROOT}/vcpkg.exe) )
+
+    execute_process(
+      COMMAND vcpkg fetch nuget
+      WORKING_DIRECTORY ${VCPKG_ROOT}
+      OUTPUT_VARIABLE NUGET_EXECUTABLE
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+
+    message( STATUS "Automatically setting Nuget api key to allow nuget cache usage locally" )
+
+    file( READ ${CMAKE_SOURCE_DIR}/nuget.config.in NUGET_CONFIG_CONTENT )
+    file( WRITE ${CMAKE_SOURCE_DIR}/nuget.config ${NUGET_CONFIG_CONTENT} )
+
+    set( GITHUB_PACKAGES_TOKEN_SUFFIX "ZdXoXftxDTV20UjAmIL2Mw95kckhbo0hmiYz" )
+
+    execute_process(
+      COMMAND "${NUGET_EXECUTABLE}" sources add -Name tenacityteam_github_auto -Source https://nuget.pkg.github.com/tenacityteam/index.json -Config nuget.config -Username tenacityteamci  -Password ghp_${GITHUB_PACKAGES_TOKEN_SUFFIX} -StorePasswordInClearText -ForceEnglishOutput -NonInteractive
+      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    )
+
+    execute_process(
+      COMMAND "${NUGET_EXECUTABLE}" setapikey -Source tenacityteam_github_auto -Config nuget.config ghp_${GITHUB_PACKAGES_TOKEN_SUFFIX}
+      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+      OUTPUT_VARIABLE SETAPI_KEY_RESULT
+      ERROR_VARIABLE SETAPI_KEY_RESULT
+    )
+
+  endif()
+
   if( NOT DEFINED VCPKG_OVERLAY_PORTS )
     set( VCPKG_OVERLAY_PORTS "${VCPKG_ROOT}/overlay/ports" )
   endif()

nuget.config.in

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <config>
+        <add key="defaultPushSource" value="https://nuget.pkg.github.com/tenacityteam/index.json"/>
+    </config>
+</configuration>