mount.fusefile

#!/bin/bash

# This is a wrapper for 'fusefile'
# providing interface for standard tools like 'mount' command and fstab
# place it to /sbin/mount.fusefile then commands like this will work:
# mount -t fusefile ./file1 ./mountpoint'

warnx()
{
	echo "$@" >&2
}

declare -a my_opts
declare -a fuse_opts
command="exec fusefile"
fake_command="warnx fusefile"
isset_fuse_fsname=no
access_mode=''
param1=''
param2=''

while [ -n "$1" ]
do
	case "$1" in
	-o)
		shift
		for opt in ${1//,/ }
		do
			case "$opt" in
			rw)
				access_mode=-w
				;;
			ro)
				access_mode=-r
				;;
			offset=*|size=*|mode=*)
				opt_chr=${opt:0:1}
				opt_chr=${opt_chr^^}
				opt_val=${opt#*=}
				my_opts+=(-$opt_chr "$opt_val")
				;;
			writeonly)
				access_mode=-W
				;;
			readappend)
				access_mode=-a
				;;
			appendonly)
				access_mode=-A
				;;
			*)
				#echo "mount.fusefile: unknown option: -o $opt" >&2
				#exit -1
				fuse_opts+=(-o "$opt")
				if [ "${opt:0:7}" = "fsname=" ]
				then
					isset_fuse_fsname=yes
				fi
				;;
			esac
		done
		;;
	-v)
		set -x
		;;
	-f)
		command=$fake_command
		;;
	-n)
		true
		;;
	--help)
		echo "mount.fusefile -o OPTIONS FILE MOUNTPOINT
Options:
  rw, ro, writeonly, readappend, appendonly,
  offset=OFFSET, size=SIZE, mode=MODE, FUSE-options
"
		exit -1
		;;
	--)
		shift
		break
		;;
	-*)
		echo "mount.fusefile: unknown option: $1" >&2
		exit -1
		;;
	*)
		if [ -z "$param1" ]
		then
			param1=$1
			if [ $isset_fuse_fsname = no ]
			then
				fuse_opts+=(-o "fsname=$1")
			fi
		elif [ -z "$param2" ]
		then
			param2=$1
		else
			echo "mount.fusefile: too many parameter: $1" >&2
			exit -1
		fi
		;;
	esac
	shift
done

$command "$param1" "$param2" $access_mode "${my_opts[@]}" "${fuse_opts[@]}"