56 lines
1.5 KiB
Bash
Executable file
56 lines
1.5 KiB
Bash
Executable file
#!/bin/bash
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# Lackadaisical squashfs tools - Destroy
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BIN_DIR=$(dirname "$(readlink -f "$0")")
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DIR="$1"
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if [[ -z "$DIR" ]]; then
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echo "Usage: $0 <directory>"
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exit 1
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fi
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DIR=$(readlink -f "$DIR")
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DIR_SHORT=$(basename "$DIR")
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if [[ ! -f "$DIR/.needs_mount" ]]; then
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if ! mountpoint -q "$DIR"; then
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echo "Error: $DIR does not appear to be a SquashFS-backed directory (missing .needs_mount)."
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exit 1
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fi
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fi
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# Disable systemd service
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ESC_PATH=$(systemd-escape -p "$DIR")
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SERVICE_NAME="squash-mount@-$ESC_PATH"
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echo "Disabling systemd service ($SERVICE_NAME)..."
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sudo systemctl stop "$SERVICE_NAME" 2>/dev/null
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sudo systemctl disable "$SERVICE_NAME" 2>/dev/null
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# Ensure it is mounted to copy merged data
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echo "Ensuring image is mounted to preserve data..."
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"$BIN_DIR"/mount-squash-image "$DIR" 1>/dev/null 2>/dev/null
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echo "Destroying SquashFS image and restoring data to normal directory..."
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TEMP_DIR=$(mktemp -d)
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# Copy data out (preserving all attributes)
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sudo rsync -a "$DIR/" "$TEMP_DIR/"
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# Unmount the overlay and squashfs
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echo "Unmounting..."
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"$BIN_DIR"/umount-squash-image "$DIR"
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# Restore data to original location
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echo "Restoring files..."
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sudo rm -rf "$DIR"
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sudo mv "$TEMP_DIR" "$DIR"
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# Cleanup hidden image and overlay files
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OVERLAY_ROOT=$(readlink -f "${DIR}/..")/.squashfs/${DIR_SHORT}
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echo "Cleaning up ${OVERLAY_ROOT}..."
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sudo rm -rf "${OVERLAY_ROOT}.img"
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sudo rm -rf "${OVERLAY_ROOT}"
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echo "Success: SquashFS image destroyed and data restored to $DIR."
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exit 0
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