Drop non-linux runner builds and local backend#3944
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un-def
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Jun 9, 2026
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It's possible to build shim and runner for non-linux GOOS (darwin) for tests and dev purposes. But this support is fragile, breaks from time to time, requires extra handling, and is inconvenient to test for devs with other OSes.
This PR clearly documents that SSH fleets work only with linux hosts and shim and runner compile only for GOOS=linux. Drops all extra handing for darwin support. Adds
just test-runner-in-containerto run shim/runner tests on non-linux dev machines in containers.Also, drops local backend. There are many other mechanisms for dev builds end-to-end testing incl. manual binary upload, upload vars, ssh fleets, etc. There is at least one approach documented via
just.