Drop Windows support for secondary caches

Author: allsey87

bazel/emscripten_cache.bzl

@@ -33,7 +33,8 @@ def get_root_and_script_ext(repository_ctx):
         else:
             fail('Unsupported architecture for MacOS')
     elif repository_ctx.os.name.startswith('windows'):
-        return (repository_ctx.path(Label("@emscripten_bin_win//:BUILD.bazel")).dirname, '.bat')
+        fail('Using a secondary cache is not supported on Windows')
+        #return (repository_ctx.path(Label("@emscripten_bin_win//:BUILD.bazel")).dirname, '.bat')
     else:
         fail('Unsupported operating system')
 
@@ -73,35 +74,10 @@ def _emscripten_cache_impl(repository_ctx):
         embuilder_args = [embuilder_path] + flags + ["build"] + libraries
         # Run embuilder
         repository_ctx.report_progress("Building secondary cache")
-        result = repository_ctx.execute(embuilder_args, quiet=False)
+        result = repository_ctx.execute(embuilder_args, quiet=True)
         if result.return_code != 0:
-        ### TEST
-            
-            cwd = external_root
-            dir_result = repository_ctx.execute(['dir'], quiet=False, working_directory=str(cwd))
-            print('dir_result(external_root).return_code = {}\n\n'.format(dir_result.return_code))
-            print('dir_result(external_root).stderr = {}\n\n'.format(dir_result.stderr))
-            print('dir_result(external_root).stdout = {}\n\n'.format(dir_result.stdout))
-
-            cwd = cwd.get_child('nodejs_windows_amd64')
-            dir_result = repository_ctx.execute(['dir'], quiet=False, working_directory=str(cwd))
-            print('dir_result(nodejs_windows_amd64).return_code = {}\n\n'.format(dir_result.return_code))
-            print('dir_result(nodejs_windows_amd64).stderr = {}\n\n'.format(dir_result.stderr))
-            print('dir_result(nodejs_windows_amd64).stdout = {}\n\n'.format(dir_result.stdout))
-
-            cwd = cwd.get_child('bin')
-            dir_result = repository_ctx.execute(['dir'], quiet=False, working_directory=str(cwd))
-            print('dir_result(bin).return_code = {}\n\n'.format(dir_result.return_code))
-            print('dir_result(bin).stderr = {}\n\n'.format(dir_result.stderr))
-            print('dir_result(bin).stdout = {}\n\n'.format(dir_result.stdout))
-
-            cwd = cwd.get_child('nodejs')
-            dir_result = repository_ctx.execute(['dir'], quiet=False, working_directory=str(cwd))
-            print('dir_result(nodejs).return_code = {}\n\n'.format(dir_result.return_code))
-            print('dir_result(nodejs).stderr = {}\n\n'.format(dir_result.stderr))
-            print('dir_result(nodejs).stdout = {}\n\n'.format(dir_result.stdout))
-
-        ### TEST
+            # Windows fails here because external/nodejs_windows_amd64/bin/nodejs/node.exe
+            # does not exist at this point (while the equivalent on Linux and MacOS does)
             fail("Embuilder exited with a non-zero return code")
         # Override Emscripten's cache with the secondary cache
         default_config += "CACHE = '{}'\n".format(cache)

test/test_bazel.ps1

@@ -10,21 +10,21 @@ if (-not $?) { Exit $LastExitCode }
 
 Set-Location test_external
 
-# bazel build //:hello-world-wasm
-# if (-not $?) { Exit $LastExitCode }
+bazel build //:hello-world-wasm
+if (-not $?) { Exit $LastExitCode }
 
-# bazel build //long_command_line:long_command_line_wasm
-# if (-not $?) { Exit $LastExitCode }
+bazel build //long_command_line:long_command_line_wasm
+if (-not $?) { Exit $LastExitCode }
 
-# bazel build //:hello-embind-wasm --compilation_mode dbg # debug
-# if (-not $?) { Exit $LastExitCode }
+bazel build //:hello-embind-wasm --compilation_mode dbg # debug
+if (-not $?) { Exit $LastExitCode }
 
-# # Test use of the closure compiler
-# bazel build //:hello-embind-wasm --compilation_mode opt # release
-# if (-not $?) { Exit $LastExitCode }
+# Test use of the closure compiler
+bazel build //:hello-embind-wasm --compilation_mode opt # release
+if (-not $?) { Exit $LastExitCode }
 
-Set-Location ..\test_secondary_lto_cache
+# Set-Location ..\test_secondary_lto_cache
 
-bazel build //:hello-world-wasm
-if (-not $?) { Exit $LastExitCode }
+# bazel build //:hello-world-wasm
+# if (-not $?) { Exit $LastExitCode }