tools/patch_sdk.dart - Issue 2890463003: Give usage when there are no arguments to patch_sdk.

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Unified Diff: tools/patch_sdk.dart

Issue 2890463003: Give usage when there are no arguments to patch_sdk. (Closed)

Patch Set: Created 3 years, 7 months ago

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Index: tools/patch_sdk.dart

diff --git a/tools/patch_sdk.dart b/tools/patch_sdk.dart

index 425e68f093a5281fb227174a6e73c1d7171065b2..633d76290e6e4c65e6ac5331b3c51a589dab567e 100644

--- a/tools/patch_sdk.dart

+++ b/tools/patch_sdk.dart

@@ -74,6 +74,7 @@ void usage(String mode) {

}

Future _main(List<String> argv) async {

+ if (argv.isEmpty) usage('[vm|dart2js]');

var mode = argv.first;

if (mode != 'vm' && mode != 'dart2js') usage('[vm|dart2js]');

if (argv.length != 5) usage(mode);

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