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fix: usb target picking excludes EFI partitions and pre-flights space
gates / consistency-and-conventions (push) Successful in 59s
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usb_detect offered a Ventoy stick's 32M VTOYEFI ESP as a sync/backup
target: with the data partition unmounted it was the only mounted
candidate, and cp died mid-copy with 'No space left on device'.
Detection now reads FSTYPE/PARTTYPENAME and drops EFI system
partitions from both the mounted list and the mount-offer list;
USB_MOUNTED entries carry mp|label|size|model|fs and usb_pick_root
shows that in the single-stick confirm and the multi-stick/partition
picker (USB_ROOT stays a bare mountpoint). pos-media-sync pre-flights
the exact payload size vs df free space (err, or warn under --dry-run)
before any copy.
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2026-08-15 04:21:10 -04:00
parent 23d69b795e
commit a09f9cfafa
6 changed files with 59 additions and 13 deletions
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@@ -210,7 +210,7 @@ Sourced by `bin/pos-entertainment-send|config|enable|disable|status` (after `lib
## lib/usb-lib.sh — shared USB-storage detection
**File:** `lib/usb-lib.sh` (installed to `/usr/local/bin/usb-lib.sh`)
**Purpose:** the one copy of the USB-storage machinery shared by `pos system backup`'s post-verify USB copy and `pos media sync` — `usb_detect` (lsblk JSON, TRAN + lsusb/by-id cross-check → `USB_MOUNTED`/`USB_UNMOUNTED`), `usb_related_present`, `usb_mount_offer` (mount an unmounted stick at `/media/<label>`, `usb-automount` scheme), and `usb_pick_root` (detect → mount-offer → single/multi picker → `USB_ROOT`). Defines only `usb_*`; seams `USB_MOUNT_BASE` (default `/media`, alias `BACKUP_MOUNT_BASE`) and `USB_BYID` (default `/dev/disk/by-id`, alias `BACKUP_USB_BYID`) keep existing config lines working.
**Purpose:** the one copy of the USB-storage machinery shared by `pos system backup`'s post-verify USB copy and `pos media sync` — `usb_detect` (lsblk JSON, TRAN + lsusb/by-id cross-check → `USB_MOUNTED` as `mp|label|size|model|fs` entries and `USB_UNMOUNTED` as `path|label|size|model`; EFI system partitions — Ventoy `VTOYEFI`, `/boot/efi` — are excluded from both), `usb_related_present`, `usb_mount_offer` (mount an unmounted stick at `/media/<label>`, `usb-automount` scheme), and `usb_pick_root` (detect → mount-offer → single-confirm or multi-picker, rows showing size/label/fs → `USB_ROOT` set to the bare mountpoint). Defines only `usb_*`; seams `USB_MOUNT_BASE` (default `/media`, alias `BACKUP_MOUNT_BASE`) and `USB_BYID` (default `/dev/disk/by-id`, alias `BACKUP_USB_BYID`) keep existing config lines working.
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