Merge pull request dotnet/corefx#10016 from ericstj/restoreNoCache

Specify --no-cache on restore

Commit migrated from https://github.com/dotnet/corefx/commit/04dc5f309fc0ff05f7099b02c612ad1e1dc2b173

src/libraries/init-tools.cmd

@@ -51,8 +51,8 @@ if NOT exist "%DOTNET_LOCAL_PATH%" (
 
 if exist "%BUILD_TOOLS_PATH%" goto :afterbuildtoolsrestore
 echo Restoring BuildTools version %BUILDTOOLS_VERSION%...
-echo Running: "%DOTNET_CMD%" restore "%PROJECT_JSON_FILE%" --packages %PACKAGES_DIR% --source "%BUILDTOOLS_SOURCE%" >> "%INIT_TOOLS_LOG%"
-call "%DOTNET_CMD%" restore "%PROJECT_JSON_FILE%" --packages %PACKAGES_DIR% --source "%BUILDTOOLS_SOURCE%" >> "%INIT_TOOLS_LOG%"
+echo Running: "%DOTNET_CMD%" restore "%PROJECT_JSON_FILE%" --no-cache --packages %PACKAGES_DIR% --source "%BUILDTOOLS_SOURCE%" >> "%INIT_TOOLS_LOG%"
+call "%DOTNET_CMD%" restore "%PROJECT_JSON_FILE%" --no-cache --packages %PACKAGES_DIR% --source "%BUILDTOOLS_SOURCE%" >> "%INIT_TOOLS_LOG%"
 if NOT exist "%BUILD_TOOLS_PATH%init-tools.cmd" (
   echo ERROR: Could not restore build tools correctly. See '%INIT_TOOLS_LOG%' for more details.
   exit /b 1

src/libraries/init-tools.sh

@@ -74,8 +74,8 @@ if [ ! -e $__INIT_TOOLS_DONE_MARKER ]; then
 
     if [ ! -e $__BUILD_TOOLS_PATH ]; then
         echo "Restoring BuildTools version $__BUILD_TOOLS_PACKAGE_VERSION..."
-        echo "Running: $__DOTNET_CMD restore \"$__PROJECT_JSON_FILE\" --packages $__PACKAGES_DIR --source $__BUILDTOOLS_SOURCE" >> $__init_tools_log
-        $__DOTNET_CMD restore "$__PROJECT_JSON_FILE" --packages $__PACKAGES_DIR --source $__BUILDTOOLS_SOURCE >> $__init_tools_log
+        echo "Running: $__DOTNET_CMD restore \"$__PROJECT_JSON_FILE\" --no-cache --packages $__PACKAGES_DIR --source $__BUILDTOOLS_SOURCE" >> $__init_tools_log
+        $__DOTNET_CMD restore "$__PROJECT_JSON_FILE" --no-cache --packages $__PACKAGES_DIR --source $__BUILDTOOLS_SOURCE >> $__init_tools_log
         if [ ! -e "$__BUILD_TOOLS_PATH/init-tools.sh" ]; then echo "ERROR: Could not restore build tools correctly. See '$__init_tools_log' for more details."; fi
     fi