jenkins: improve x64 node.exe caching for arm64

Fixes: nodejs#3504
Refs: nodejs#3315
Refs: nodejs#3514
Refs: nodejs#3533

jenkins/scripts/windows/compile.cmd

@@ -17,6 +17,8 @@ if not defined DISABLE_CLCACHE if exist C:\clcache\dist\clcache_main\clcache_mai
  C:\clcache\dist\clcache_main\clcache_main.exe -s
 )
 
+SETLOCAL EnableDelayedExpansion
+
 :: Call vcbuild
 if "%nodes:~-6%" == "-arm64" (
  :: Building MSI is not yet supported for ARM64 with WiX 3.
@@ -35,21 +37,68 @@ if "%nodes:~-6%" == "-arm64" (
  :: thus failing the build after timing out (1-2% runs).
  :: Downloading it from here and updating it weekly should
  :: decrease, if not remove, these types of CI failures.
- :: Download and cache x64 node.exe.
- mkdir C:\node_exe_cache
- forfiles /p "C:\node_exe_cache" /m "node.exe" /d -7 /c "cmd /c del @path"
- if not exist C:\node_exe_cache\node.exe (
- curl -L https://nodejs.org/dist/latest/win-x64/node.exe -o C:\node_exe_cache\node.exe
+ :: 1. Make node_exe_cache directory if it doesn't exist.
+ if not exist C:\node_exe_cache (
+ mkdir C:\node_exe_cache
+ )
+ :: 2. Check if node.exe exists and if it's older then 7 days.
+ set NODE_CACHED=False
+ set CACHE_INVALID=False
+ if exist C:\node_exe_cache\node.exe (
+ set NODE_CACHED=True
+ forfiles /p "C:\node_exe_cache" /m "node.exe" /d -7 && set CACHE_INVALID=True
+ )
+ :: 3. If node.exe didn't exist, or was older then 7 days, download the new one and check it's validity.
+ set SHOULD_DOWNLOAD=False
+ if !NODE_CACHED! == False set SHOULD_DOWNLOAD=True
+ if !CACHE_INVALID! == True set SHOULD_DOWNLOAD=True
+ set VALID_SHASUM=
+ set DOWNLOAD_SHASUM=
+ if !SHOULD_DOWNLOAD! == True (
+ :: 3.1. Download SHASUMS and find value for "win-x64/node.exe".
+ ver > nul
+ curl -L https://nodejs.org/dist/latest/SHASUMS256.txt -o C:\node_exe_cache\SHASUMS256.txt
+ if not !errorlevel! == 0 goto download_cleanup
+ for /f %%a in ('findstr win-x64/node.exe C:\node_exe_cache\SHASUMS256.txt') do set VALID_SHASUM=%%a
+ if [!VALID_SHASUM!] == [] goto download_cleanup
+ :: 3.2. Download win-x64/node.exe and calculate its SHASUM.
+ ver > nul
+ curl -L https://nodejs.org/dist/latest/win-x64/node.exe -o C:\node_exe_cache\node_new.exe
+ if not !errorlevel! == 0 goto download_cleanup
+ for /f %%a in ('certutil -hashfile C:\node_exe_cache\node_new.exe SHA256 ^| find /v ":"') do set DOWNLOAD_SHASUM=%%a
+ if [!DOWNLOAD_SHASUM!] == [] goto download_cleanup
+ :: 3.3. Check if downloaded file is valid. If yes, delete old one. If not, delete new one.
+ if !VALID_SHASUM! == !DOWNLOAD_SHASUM! (
+ if exist C:\node_exe_cache\node.exe (
+ del C:\node_exe_cache\node.exe
+ )
+ ren C:\node_exe_cache\node_new.exe node.exe
+ )
+ :: 3.4. Clean up all of the temporary files.
+:download_cleanup
+ if exist C:\node_exe_cache\SHASUMS256.txt (
+ del C:\node_exe_cache\SHASUMS256.txt
+ )
+ if exist C:\node_exe_cache\node_new.exe (
+ del C:\node_exe_cache\node_new.exe
+ )
+ )
+ :: 4. Copy the latest valid node, if any, to where vcbuild expects it to be
+ if exist C:\node_exe_cache\node.exe (
+ if not exist temp-vcbuild (
+ mkdir temp-vcbuild
+ )
+ copy C:\node_exe_cache\node.exe temp-vcbuild\node-x64-cross-compiling.exe
  )
- :: Copy it to where vcbuild expects.
- mkdir temp-vcbuild
- copy C:\node_exe_cache\node.exe temp-vcbuild\node-x64-cross-compiling.exe
  )
 ) else if "%nodes:~-4%" == "-x86" (
  set "VCBUILD_EXTRA_ARGS=x86 %VCBUILD_EXTRA_ARGS%"
 ) else (
  set "VCBUILD_EXTRA_ARGS=x64 %VCBUILD_EXTRA_ARGS%"
 )
+
+ENDLOCAL
+
 set DEBUG_HELPER=1
 call vcbuild.bat %VCBUILD_EXTRA_ARGS%
 if errorlevel 1 exit /b