mount/mount.xattrovlfs

   1 #!/bin/bash
   2
   3 # fstab-compatible mount script for fuse-xattrs -overlay fs
   4
   5 set -e
   6 set -o pipefail
   7 set -u
   8
   9 sourcestring=$1
  10 shift
  11 targetdir=$1
  12 shift
  13 options=''
  14
  15 while [ $# -gt 0 ]
  16 do
  17         case "$1" in
  18         -o)
  19                 shift
  20                 options=$1
  21                 ;;
  22         *)
  23                 echo "mount.xattrovlfs: unknown parameter: $1" >&2
  24                 exit 1
  25                 ;;
  26         esac
  27         shift
  28 done
  29
  30 if [[ $sourcestring =~ xattrovl:(.+) ]]
  31 then
  32         sourcedir=${BASH_REMATCH[1]}
  33 else
  34         sourcedir=$sourcestring
  35 fi
  36
  37 fsname="xattr-overlay($sourcedir)"
  38
  39 declare -a fuse_options=()
  40 IFS=','
  41 for opt in $options
  42 do
  43         case "$opt" in
  44         default|rw) true;;  # ignore
  45         ro)     echo "mount.xattrovlfs: readonly is not supported" >&2
  46                 exit 2
  47                 ;;
  48         *)      fuse_options+=(-o "$opt")
  49                 ;;
  50         esac
  51 done
  52 IFS=$' \t\n'
  53
  54 fuse-xattrs "$sourcedir" "$targetdir" -o fsname="$fsname" "${fuse_options[@]}"