| commit | 0dd9ae90834bb08be116301553b88d0df8b0631e | [log] [tgz] |
|---|---|---|
| author | jmmv <jmmv@google.com> | Fri Oct 18 03:34:05 2019 -0700 |
| committer | Copybara-Service <copybara-worker@google.com> | Fri Oct 18 03:35:01 2019 -0700 |
| tree | 8b7441f3f0a339e4f247cd755762967ebd1f2b7e | |
| parent | 23134ea9a07266229142186fd042771ffc811640 [diff] |
Wipe tree artifact directories when cancelling a local spawn. When we enable dynamic execution without sandboxing, the local spawn is allowed to run until the remote spawn is done executing (only when --experimental_local_lockfree_output is given) and we are ready to download its outputs. At that point, we cancel the local spawn and then proceed to download the remote outputs. This is fine in the general case but breaks with tree artifacts: the local spawn may create extra files in the output directory during its execution (think temporary files) that are deleted immediately by the spawn itself before exiting. When running remotely, these files never become part of the tree artifact manifest, but when running locally, these files will stay behind if the local spawn is interrupted. Once this happens, we fail tree artifact metadata validation later on because we encounter undeclared files on disk. To resolve this, clean up any files written by the local spawn as part of its interrupt. RELNOTES: None. PiperOrigin-RevId: 275441715
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