Workaround Rust 1.49 breaking macOS processes with a materialized argv0 #11452
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# Building wheels and fs_util will be skipped. Delete if not intended. [ci skip-build-wheels]
Eric-Arellano
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Jan 12, 2021
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Thank you @tdyas for figuring this out! I can now run ./pants test and ./pants count-loc on mac silicon!
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Eric-Arellano
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From the Remote Execution API: https://github.com/bazelbuild/remote-apis/blob/9e72daff42c941baaf43a4c370e2607a984c58a7/build/bazel/remote/execution/v2/remote_execution.proto#L472-L475 > The first argument must be the path to the executable, which must be either a relative path, in which case it is evaluated with respect to the input root, or an absolute path. These tests were causing #11452 to fail because the unconstrained `python` looked like a relative path even though it isn't. [ci skip-build-wheels] [ci skip-rust]
…-darwin [ci skip-build-wheels]
# Building wheels and fs_util will be skipped. Delete if not intended. [ci skip-build-wheels]
jsirois
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Jan 13, 2021
gshuflin
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Jan 13, 2021
Eric-Arellano
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This is necessary to compile the engine on Mac Silicon. We can now safely upgrade thanks to #11452 fixing the issue with macOS.
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Works around #11406, which we found is due to rust-lang/rust#80819.
To workaround, we absolutify relative paths when they are argv[0]. We only do this for local execution.