38 lines
1.1 KiB
Bash
Executable file
38 lines
1.1 KiB
Bash
Executable file
#!/bin/bash
|
|
DIR="$@"
|
|
DIR=$(readlink -f "$DIR")
|
|
DIR_SHORT=$(basename "$DIR")
|
|
BIN_DIR=$(dirname "$(readlink -f "$0")")
|
|
mkdir -p "$DIR"
|
|
|
|
OVERLAY_ROOT=$(readlink -f "${DIR}/..")/.squashfs/${DIR_SHORT}
|
|
OVERLAY_UPPER=${OVERLAY_ROOT}/upper
|
|
OVERLAY_LOWER=${OVERLAY_ROOT}/lower
|
|
OVERLAY_WORK=${OVERLAY_ROOT}/work
|
|
OVERLAY_TARG=$DIR
|
|
|
|
if [ ! -f "${OVERLAY_ROOT}.img" ]; then
|
|
echo "Error: SquashFS image ${OVERLAY_ROOT}.img not found." >&2
|
|
exit 1
|
|
fi
|
|
|
|
"$BIN_DIR"/umount-squash-image "$@" 1>/dev/null 2>/dev/null
|
|
|
|
sudo mount "${OVERLAY_ROOT}.img" "$OVERLAY_LOWER" -t squashfs -o loop
|
|
EXIT_CODE=$?
|
|
if [ $EXIT_CODE -ne 0 ]; then
|
|
echo "Error: Failed to mount squashfs image (exit code $EXIT_CODE)." >&2
|
|
exit $EXIT_CODE
|
|
fi
|
|
|
|
sudo mount -t overlay -o lowerdir="$OVERLAY_LOWER",upperdir="$OVERLAY_UPPER",workdir="$OVERLAY_WORK" none "$OVERLAY_TARG"
|
|
EXIT_CODE=$?
|
|
if [ $EXIT_CODE -ne 0 ]; then
|
|
echo "Error: Failed to mount overlay (exit code $EXIT_CODE)." >&2
|
|
# Cleanup: unmount the lower squashfs if overlay mount fails
|
|
sudo umount "$OVERLAY_LOWER" 2>/dev/null
|
|
exit $EXIT_CODE
|
|
fi
|
|
|
|
echo "SquashFS filesystem is mounted and ready."
|
|
exit 0
|