user-tools/rsync-semichroot

   1 #!/bin/bash
   2
   3
   4 semi_chroot=$1
   5 set -- $SSH_ORIGINAL_COMMAND
   6 declare -a argv
   7 declare -a opts
   8
   9 opts=(-logDtpre.is)
  10
  11
  12 while [ -n "$1" ]
  13 do
  14         case "$1" in
  15         -[!-' ']*)
  16                 pos=1
  17                 while [ $pos -lt ${#1} ]
  18                 do
  19                         case "${1:$pos:1}" in
  20                         R)      opts+=(--relative) ;;
  21                         v)      opts+=(--verbose) ;;
  22                         L)      opts+=(--copy-links) ;;
  23                         u)      opts+=(--update) ;;
  24                         z)      opts+=(--compress) ;;
  25                         esac
  26                         let pos++
  27                 done
  28                 ;;
  29         --sender|--delete|--relative|--verbose|--copy-links|--update|--compress|--del|--delete*)
  30                 opts+=($1)
  31                 ;;
  32         -*)
  33                 true
  34                 ;;
  35         *)
  36                 argv+=($1)
  37                 ;;
  38         esac
  39         shift
  40 done
  41
  42
  43 cmd=${argv[0]}
  44
  45 if [ "$cmd" = rsync ]
  46 then
  47     echo Running semi-chroot rsync --server "${opts[@]}" . "$semi_chroot/${argv[2]}" >&2
  48     exec /usr/bin/rsync --server "${opts[@]}" . "$semi_chroot/${argv[2]}"
  49 else
  50         echo "Only rsync (server side) command is permitted. Sleeping." >&2
  51     sleep infinity
  52 fi
  53