anchor.diff:  
   md "%BuildRoot%\Library"
   
  -:: TODO(compnerd) build ICU from source
  -curl.exe -sOL "https://github.com/unicode-org/icu/releases/download/release-67-1/icu4c-67_1-Win64-MSVC2017.zip" || (exit /b)
  -"%SystemDrive%\Program Files\Git\usr\bin\unzip.exe" -o icu4c-67_1-Win64-MSVC2017.zip -d %BuildRoot%\Library\icu-67.1
  -md %BuildRoot%\Library\icu-67.1\usr\bin
  -copy %BuildRoot%\Library\icu-67.1\bin64\icudt67.dll %BuildRoot%\Library\icu-67.1\usr\bin || (exit /b)
  -copy %BuildRoot%\Library\icu-67.1\bin64\icuin67.dll %BuildRoot%\Library\icu-67.1\usr\bin || (exit /b)
  -copy %BuildRoot%\Library\icu-67.1\bin64\icuuc67.dll %BuildRoot%\Library\icu-67.1\usr\bin || (exit /b)
  +:: Build ICU
  +copy %SourceRoot%\swift-installer-scripts\shared\ICU\CMakeLists.txt %SourceRoot%\icu\icu4c\ || (exit /b)
  +cmake ^
  +  -B %BuildRoot%\icu ^
  +
  +  -D BUILD_SHARED_LIBS=NO ^
  +  -D CMAKE_BUILD_TYPE=%CMAKE_BUILD_TYPE% ^
  +  -D CMAKE_C_COMPILER=cl ^
  +  -D CMAKE_C_FLAGS="/GS- /Oy /Gw /Gy" ^
  +  -D CMAKE_CXX_COMPILER=cl ^
  +  -D CMAKE_CXX_FLAGS="/GS- /Oy /Gw /Gy" ^
  +  -D CMAKE_MT=mt ^
  +  -D CMAKE_EXE_LINKER_FLAGS="/INCREMENTAL:NO" ^
  +  -D CMAKE_SHARED_LINKER_FLAGS="/INCREMENTAL:NO" ^
  +
  +  -D CMAKE_INSTALL_PREFIX=%BuildRoot%\Library\icu-69.1\usr ^
  +
  +  -D BUILD_TOOLS=YES ^
  +
  +  -G Ninja ^
  +  -S %SourceRoot%\icu\icu4c || (exit /b)
  +cmake --build "%BuildRoot%\icu" || (exit /b)
  +cmake --build "%BuildRoot%\icu" --target install || (exit /b)
   
   :: FIXME(compnerd) is there a way to build the sources without downloading the amalgamation?
   curl.exe -sOL "https://sqlite.org/2021/sqlite-amalgamation-3360000.zip" || (exit /b)
  
positive.code: git clone --quiet --no-tags --depth 1 --branch v1.2.11 https://github.com/madler/zlib
  git clone --quiet --no-tags --depth 1 --branch v2.9.12 https://github.com/gnome/libxml2
  git clone --quiet --no-tags --depth 1 --branch version-3.36.0 https://github.com/sqlite/sqlite
  git clone --quiet --no-tags --depth 1 --branch maint/maint-67 https://github.com/unicode-org/icu
  git clone --quiet --no-tags --depth 1 --branch curl-7_77_0 https://github.com/curl/curl
  
  goto :eof
  
negative.code: move %PackageRoot%\toolchain\toolchain.msi %PackageRoot% || (exit /b)
  move %PackageRoot%\sdk\sdk.msi %PackageRoot% || (exit /b)
  move %PackageRoot%\runtime\runtime.msi %PackageRoot% || (exit /b)
  move %PackageRoot%\devtools\devtools.msi %PackageRoot% || (exit /b)
  
  :: Build Installer
  