new_local_repository build_file BuildType$SelectorList cannot be cast to java.lang.String

[rober...@verbsurgical.com]

I'm trying to use new_local_repository with build_file. I would like to use select() to choose build_file based on configuration (I want to target multiple platforms). Is this expected to work? I am using bazel 0.2.3 (from Linux installer) and getting the following failure:

$ bazel build foo:foo

..

Unhandled exception thrown during build; message: Unrecoverable error while evaluating node 'REPOSITORY_DIRECTORY:@bar' (requested by nodes 'REPOSITORY:@bar')

INFO: Elapsed time: 1.079s

java.lang.RuntimeException: Unrecoverable error while evaluating node 'REPOSITORY_DIRECTORY:@bar' (requested by nodes 'REPOSITORY:@bar')

        at com.google.devtools.build.skyframe.ParallelEvaluator$Evaluate.run(ParallelEvaluator.java:1003)

        at com.google.devtools.build.lib.concurrent.AbstractQueueVisitor$WrappedRunnable.run(AbstractQueueVisitor.java:515)

        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

        at java.lang.Thread.run(Thread.java:745)

Caused by: java.lang.IllegalArgumentException: wrong type for attribute "build_file" in rule //external:bar

        at com.google.devtools.build.lib.packages.AbstractAttributeMapper.get(AbstractAttributeMapper.java:69)

        at com.google.devtools.build.lib.rules.repository.NewRepositoryBuildFileHandler.getBuildFileValue(NewRepositoryBuildFileHandler.java:120)

        at com.google.devtools.build.lib.rules.repository.NewRepositoryBuildFileHandler.prepareBuildFile(NewRepositoryBuildFileHandler.java:77)

        at com.google.devtools.build.lib.rules.repository.NewLocalRepositoryFunction.fetch(NewLocalRepositoryFunction.java:50)

        at com.google.devtools.build.lib.rules.repository.RepositoryDelegatorFunction.compute(RepositoryDelegatorFunction.java:123)

        at com.google.devtools.build.skyframe.ParallelEvaluator$Evaluate.run(ParallelEvaluator.java:954)

        ... 4 more

Caused by: java.lang.ClassCastException: com.google.devtools.build.lib.packages.BuildType$SelectorList cannot be cast to java.lang.String

        at com.google.devtools.build.lib.syntax.Type$StringType.cast(Type.java:377)

        at com.google.devtools.build.lib.syntax.Type$StringType.cast(Type.java:374)

        at com.google.devtools.build.lib.packages.AbstractAttributeMapper.get(AbstractAttributeMapper.java:65)

        ... 9 more

My test project is attached.

What am I doing wrong?

Thanks,

--Rob

[Kristina Chodorow]

You can't use select() in the WORKSPACE file.  I filed https://github.com/bazelbuild/bazel/issues/1307 to make Bazel give an actual error message (instead of dumping a stack trace).

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