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New crate: weft-mount-helper. A privileged helper binary that sets up
dm-verity devices and mounts EROFS images for app isolation.
Commands:
mount <img> <hash_dev> <root_hash> <mountpoint>
- opens a named dm-verity device via veritysetup open
- mounts the resulting /dev/mapper/<name> as EROFS read-only
- cleans up the dm device if mount fails
umount <mountpoint>
- unmounts the mountpoint
- closes the dm-verity device via veritysetup close
Device naming: derives a stable name from the mountpoint path, limited
to 31 chars (DM limit), always prefixed weft-. Root check reads
/proc/self/status euid rather than using unsafe libc calls.
Tests: device_name_sanitizes_path, device_name_truncates_long_paths.
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| .. | ||
| weft-appd | ||
| weft-build-meta | ||
| weft-compositor | ||
| weft-ipc-types | ||
| weft-mount-helper | ||
| weft-pack | ||
| weft-runtime | ||
| weft-servo-shell | ||