[build] Fix RBE fallback on pkg, ddc and dyn bots.

Also fix --check-clean. `ninja target -t commands` reports the commands for the default target, fix to use `ninja -t commands target` instead.

Change-Id: Ice179290e75b083a96abadb7540ca960eafcc982
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/510440
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>

tools/build.py

@@ -198,8 +198,8 @@ def RunOneBuildCommand(build_config, args, env):
     return 0
 
 
-def CheckCleanBuild(build_config, args, rbe, env):
-    explain_args = args + ['-n', '-d', 'explain']
+def CheckCleanBuild(build_config, args, rbe, targets, env):
+    explain_args = args[0:3] + ['-n', '-d', 'explain'] + targets
     print(' '.join(explain_args))
     process = subprocess.Popen(explain_args,
                                env=env,
@@ -218,7 +218,7 @@ def CheckCleanBuild(build_config, args, rbe, env):
         return 1
 
     if rbe:
-        list_args = args + ['-t', 'commands']
+        list_args = args[0:3] + ['-t', 'commands'] + targets
         print(' '.join(list_args))
         process = subprocess.Popen(list_args,
                                    env=env,
@@ -298,7 +298,11 @@ def Build(configs, env, options):
 
     if options.check_clean:
         for (build_config, args, rbe) in configs:
-            if CheckCleanBuild(build_config, args, rbe, env=env) != 0:
+            if CheckCleanBuild(build_config,
+                               args,
+                               rbe,
+                               options.build_targets,
+                               env=env) != 0:
                 return 1
 
     return 0

utils/dart2wasm/BUILD.gn

@@ -11,11 +11,14 @@ template("wasm_module") {
   action(target_name) {
     script = rebase_path("//build/gn_run_binary.py")
     args = [
-      rebase_path("//third_party/emsdk/upstream/emscripten/emcc"),
+      rebase_path("//third_party/emsdk/upstream/emscripten/emcc",
+                  root_build_dir),
       "--no-entry",
-      rebase_path("//tests/web/wasm/ffi/${invoker.module_name}.c"),
+      rebase_path("//tests/web/wasm/ffi/${invoker.module_name}.c",
+                  root_build_dir),
       "-o",
-      rebase_path("$root_out_dir/wasm/${invoker.module_name}.wasm"),
+      rebase_path("$root_out_dir/wasm/${invoker.module_name}.wasm",
+                  root_build_dir),
       "-O",
     ]
     inputs = [ "//tests/web/wasm/ffi/${invoker.module_name}.c" ]

utils/ddc/BUILD.gn

@@ -205,9 +205,8 @@ template("ddc_compile") {
     mnemonic = "DDC"
     script = "../../pkg/dev_compiler/bin/dartdevc.dart"
     package_name = invoker.package
-    out_dir = rebase_path("$js_gen_dir")
-    sdk_path = rebase_path(sdk_outline_dill)
-    pkg_root = rebase_path("$root_build_dir/../../pkg")
+    sdk_path = rebase_path(sdk_outline_dill, root_build_dir)
+    pkg_root = rebase_path("../../pkg", root_build_dir)
 
     deps = [
       ":ddc_files_stamp",
@@ -229,7 +228,8 @@ template("ddc_compile") {
 
       args += [
         "--modules=$module",
-        "-o$out_dir/$module/$package_name.js",
+        "-o" +
+            rebase_path("$js_gen_dir/$module/$package_name.js", root_build_dir),
       ]
     }
 
@@ -251,7 +251,7 @@ template("ddc_compile") {
     if (defined(invoker.package_dependencies)) {
       foreach(dep, invoker.package_dependencies) {
         deps += [ ":${dep}_js" ]
-        args += [ "-s$out_dir/$dep.dill" ]
+        args += [ "-s" + rebase_path("$out_dir/$dep.dill", root_build_dir) ]
       }
     }
 
@@ -272,10 +272,10 @@ template("package_kernel_outline") {
 
   module = invoker.package
   output = "$target_gen_dir/${module}_outline.dill"
-  sdk_outline = rebase_path(sdk_outline_dill)
+  sdk_outline = rebase_path(sdk_outline_dill, root_build_dir)
 
   package_config =
-      rebase_path("$root_out_dir/../../.dart_tool/package_config.json")
+      rebase_path("../../.dart_tool/package_config.json", root_build_dir)
 
   prebuilt_dart_action(target_name) {
     deps = [
@@ -286,16 +286,16 @@ template("package_kernel_outline") {
     outputs = [ output ]
     args = [
       "--packages-file",
-      "file:///$package_config",
+      package_config,
       "--summary-only",
       "--target",
       "ddc",
       "--dart-sdk-summary",
-      "file:///$sdk_outline",
+      sdk_outline,
       "--source",
       "package:$module/$module.dart",
       "--output",
-      rebase_path(output),
+      rebase_path(output, root_build_dir),
     ]
     if (defined(invoker.extra_libraries)) {
       foreach(lib, invoker.extra_libraries) {
@@ -462,7 +462,7 @@ template("ddc_compile_sdk") {
         "--modules",
         "$module",
         "-o",
-        rebase_path("$js_gen_dir/$module/dart_sdk.js"),
+        rebase_path("$js_gen_dir/$module/dart_sdk.js", root_build_dir),
       ]
     }
 
@@ -481,8 +481,8 @@ template("ddc_compile_sdk") {
       # orignal source files while running SDK test suites.
       # These JavaScript files and source maps are no longer packaged into the
       # released SDK.
-      rebase_path("$target_gen_dir/../../../dart-sdk"),
-      rebase_path("$sdk_full_dill"),
+      rebase_path("$target_gen_dir/../../../dart-sdk", root_build_dir),
+      rebase_path("$sdk_full_dill", root_build_dir),
     ]
 
     if (invoker.canary) {

utils/dynamic_module_runner/BUILD.gn

@@ -15,7 +15,8 @@ aot_snapshot("dynamic_module_runner_snapshot") {
   name = "dynamic_module_runner"
   gen_kernel_args =
       [ "--dynamic-interface=" + rebase_path(
-            "$_dart_root/utils/dynamic_module_runner/dynamic_interface.yaml") ]
+            "$_dart_root/utils/dynamic_module_runner/dynamic_interface.yaml",
+            root_build_dir) ]
 }
 
 aot_snapshot("dynamic_modules_test_suite_snapshot") {