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fix(import-payload): detect payload strictly from /proc/partitions major/minor

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vxtls 2026-03-02 09:51:42 -05:00
parent 25f8311767
commit de8378520a
1 changed files with 22 additions and 18 deletions
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40
steps/improve/import_payload.sh
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@ -8,33 +8,37 @@ set -ex
if [ "${PAYLOAD_REQUIRED}" = True ]; then
mkdir -p /external/distfiles
found_payload=0
mkdir -p /dev
if [ -r /proc/partitions ]; then
while read -r major minor blocks name; do
case "${name}" in
""|name|ram*|loop*|fd*|sr*|md*|dm-*|nbd*)
continue
;;
*[0-9])
continue
;;
esac
dev_path="/dev/${name}"
[ -b "${dev_path}" ] || mknod -m 600 "${dev_path}" b "${major}" "${minor}" >/dev/null 2>&1 || :
done < /proc/partitions
if [ ! -r /proc/partitions ]; then
echo "payload-import failed: /proc/partitions is unavailable." >&2
exit 1
fi
for dev_path in /dev/*; do
[ -b "${dev_path}" ] || continue
if payload-import --probe "${dev_path}"; then
while read -r major minor blocks name; do
case "${major}" in
""|major|*[!0-9]*)
continue
;;
esac
case "${minor}" in
""|minor|*[!0-9]*)
continue
;;
esac
dev_path="/dev/lbpayload-${major}-${minor}"
[ -b "${dev_path}" ] || mknod -m 600 "${dev_path}" b "${major}" "${minor}" >/dev/null 2>&1 || :
if payload-import --probe "${dev_path}" >/dev/null 2>&1; then
payload-import --device "${dev_path}" /external/distfiles
found_payload=1
break
fi
done
done < /proc/partitions
if [ "${found_payload}" != 1 ]; then
echo "payload-import failed: no payload image found on block devices under /dev." >&2
echo "payload-import failed: no payload image found in /proc/partitions devices." >&2
exit 1
fi
fi