#!/bin/sh
# rfs mount firmware flist over /usr/lib/firmware (plain S3 route inside the .fl)
# Looks for firmware-latest.fl in known locations; can be overridden via FIRMWARE_FLIST env

set -eu

log() { echo "[rfs-firmware] $*"; }

RFS_BIN="${RFS_BIN:-rfs}"
TARGET="/usr/lib/firmware"

# Allow override via env
if [ -n "${FIRMWARE_FLIST:-}" ] && [ -f "${FIRMWARE_FLIST}" ]; then
  FL="${FIRMWARE_FLIST}"
else
  # Candidate paths for the flist manifest
  for p in \
    /etc/rfs/firmware-latest.fl \
    /var/lib/rfs/firmware-latest.fl \
    /root/firmware-latest.fl \
    /firmware-latest.fl \
    ; do
    if [ -f "$p" ]; then
      FL="$p"
      break
    fi
  done
fi

if [ -z "${FL:-}" ]; then
  log "firmware-latest.fl not found in known paths; skipping mount"
  exit 0
fi

# Ensure target directory exists
mkdir -p "$TARGET"

# Skip if already mounted
if mountpoint -q "$TARGET" 2>/dev/null; then
  log "already mounted: $TARGET"
  exit 0
fi

# Perform the mount
log "mounting ${FL} -> ${TARGET}"
exec "$RFS_BIN" mount -m "$FL" "$TARGET"