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Adam Perry @ OpenAI
5867b529ae
## Why It should be possible for app-server to handle "foreign" OS paths in unified_exec working directories, allowing e.g. a Linux app-server to run processes on e.g. a Windows exec-server. ## What Convert the core unified_exec cwd values to use `PathUri`. Adds fallible path conversion in several places to try to minimize the scope of this change. The only time this change suppresses errors from converting `PathUri` to an `AbsolutePathBuf` is when the turn is configured with no sandboxing at all to allow us to make progress testing without sandboxing. Future changes to apply_patch and sandboxing will clean up these error paths. A tool's cwd is resolved from joining a model-provided workdir to the environment's cwd. When using `AbsolutePathBuf::join()`, an absolute-path workdir would overwrite the environment's cwd and we would resolve permissions/sandboxing against the model-provided path. This change extends `PathUri::join()` to also treat an absolute rhs as an override of the base/lhs. This also removes some coverage from the remove_env_windows tests until a follow-up converts foreign paths in command exec events correctly. ## Breaking Changes When using `AbsolutePathBuf::join()` for workdir resolution, we ended up resolving tilde-prefixed paths against the app-server's `$HOME`, e.g. `~/foo/bar` becomes `/home/anp/foo/bar`. It's difficult to do this with `PathUri` joining, so after offline discussion this PR no longer implements it. A quick check of some power users' rollouts suggests that models don't actually generate home-prefixed absolute working directories for their spawns, so this shouldn't have any real blast radius.
5867b529ae
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2026-06-17 19:36:16 +00:00
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