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| 1 | //go:build !linux |
| 2 | |
| 3 | package host |
| 4 | |
| 5 | import "os" |
| 6 | |
| 7 | // The platform self-update is a root oneshot on a Linux box; the macOS and |
| 8 | // Windows builds exist only so the carlos CLI compiles for workstation use, |
| 9 | // and neither has the syscalls systemapply_unix.go needs — darwin's stdlib |
| 10 | // syscall package has no Openat at all. Both primitives refuse rather than |
| 11 | // pretend: an apply that cannot lock, or that cannot open a path without |
| 12 | // following symlinks, must do nothing at all — and Run tells this refusal |
| 13 | // apart from a lock another apply is holding, so an unsupported platform is |
| 14 | // an error rather than a quiet no-op. |
| 15 | |
| 16 | func openBeneath(root string, parts ...string) (*os.File, error) { |
| 17 | return nil, errSystemUnsupported |
| 18 | } |
| 19 | |
| 20 | func flockExclusiveNonblock(f *os.File) error { return errSystemUnsupported } |
| 21 | |
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