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c0f3e12483
statfs fsclass helper (network/autofs/stub/unknown, fail-open); probe not_network_fs assertion (stub can never verify — red-proven); deploy-time stub refusal (idle autofs proceeds — red-proven); distinct stub badge, stub wins over unreachable (unreachable line byte-identical); deployed select shows stored HDD_PATH (red-proven vs IsDefault-only). MinAgent unchanged 0.81.0. Gates green. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PSK5g6qYLknKj8u3QAFEr6
20 lines
617 B
Go
20 lines
617 B
Go
//go:build linux
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package system
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import "syscall"
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// statfsFn is the syscall seam (tests inject fake f_types without real mounts).
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var statfsFn = syscall.Statfs
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// ClassifyPathFS classifies path by its filesystem magic in this process's mount namespace.
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// UNBOUNDED — statfs on a mounted-but-dead network fs can block for the soft-timeout window;
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// interactive callers use ClassifyPathFSTimeout. statfs error → FSClassUnknown.
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func ClassifyPathFS(path string) string {
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var st syscall.Statfs_t
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if err := statfsFn(path, &st); err != nil {
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return FSClassUnknown
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}
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return classifyFSMagic(int64(st.Type))
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}
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