vfs/extfs/urar.in

   1 #! /bin/sh
   2 #
   3 # Written by andrey joukov
   4 # (C) 1996 2:5020/337.13@fidonet.org
   5 # Updated by christian.gennerat@alcatel.fr 1999
   6 #            Andrew V. Samoilov <sav@bcs.zp.ua> 2000
   7 # beta version 2.0
   8 #
   9 DRAR=/usr/bin
  10 RAR=$DRAR/rar
  11 UNRAR=$DRAR/unrar # Prefer unrar (freeware)
  12 #
  13 # NOTE: rar ver 2.0 by Eugene Roshal
  14 # ftp.elf.stuba.sk/pub/pc/pack
  15 #
  16
  17 if [ ! -x $UNRAR -a -x $RAR ]; then
  18     UNRAR=$RAR
  19 fi
  20
  21 mcrarfs_list ()
  22 {
  23      $UNRAR v -c- "$1" | @AWK@ -v uid=${UID-0} '
  24 BEGIN { flag=0; date="JanFebMarAprMayJunJulAugSepOctNovDec" }
  25 /^-------/ { flag++; if (flag > 1) exit 0; next }
  26 {
  27 if (flag == 0) next
  28 if ( !/ [0-9][0-9]:[0-9][0-9] /) str = $0  # there is no time spec in this line
  29 else {
  30     if (str ~ /^\^/)
  31         str=substr(str, 2)
  32     split($4, a, "-")
  33     if (a[3] < 50)
  34         a[3] = 2000 + a[3]
  35     else
  36         a[3] = 1900 + a[3]
  37     if (index($6, "D") != 0)
  38         $6="drwxr-xr-x"
  39     else
  40         if (index($6, ".") != 0)
  41             $6="-rw-r--r--"
  42     printf "%s   1 %-8d %-8d %8d %3s %2d %4d %s %s\n", $6, uid, 0, $1, substr(date, (a[2]-1)*3+1, 3), a[1], a[3], $5, str
  43 }
  44 }' 2>/dev/null
  45 }
  46
  47 mcrarfs_copyin ()
  48 {
  49 # copyin by christian.gennerat@alcatel.fr
  50 # preserve pwd. It is clean, but is it necessary?
  51     pwd=`pwd`
  52 # Create a directory and copy in it the tmp file with the good name
  53     mkdir $3.dir
  54     cd $3.dir
  55     di="${2%/*}"
  56 # if file is to be written upper in the archive tree, make fake dir
  57     if test "$di" != "${2##*/}" ; then
  58         mkdir -p "$di"
  59     fi
  60 # (cp -p) to preserve date, but $2 is dated now!
  61     cp -p $3 "$3.dir/$2"
  62     $RAR a "$1" "$2" >/dev/null
  63     cd $pwd
  64     rm -rf $3.dir
  65 }
  66
  67 mcrarfs_copyout ()
  68 {
  69     $UNRAR p -c- -inul "$1" "$2" > $3 2>/dev/null
  70 }
  71
  72 mcrarfs_mkdir ()
  73 {
  74 # preserve pwd. It is clean, but is it necessary?
  75     pwd=`pwd`
  76 # Create a directory and create in it a tmp directory with the good name
  77     dir=tmpdir.${RANDOM}
  78     mkdir $dir
  79     cd $dir
  80     mkdir -p "$2"
  81 # rar cannot create an empty directory
  82     touch "$2"/.rarfs
  83     $RAR a -r "$1" "$2" &>/dev/null
  84     $RAR d "$1" "$2"/.rarfs &>/dev/null
  85     cd $pwd
  86     rm -rf $dir
  87 }
  88
  89 mcrarfs_rm ()
  90 {
  91     $RAR d "$1" "$2" &>/dev/null
  92 }
  93
  94 umask 077
  95
  96 # uncomment this line for debugging
  97 #echo "`date +%T` ${0##*/} $1 $2 to=$3 tmp=$4" >>/tmp/${0##*/}.log
  98 case "$1" in
  99   list)    mcrarfs_list    "$2" | sort +9 ; exit 0;;
 100   rm)      mcrarfs_rm      "$2" "$3" ; exit 0;;
 101   rmdir)   mcrarfs_rm      "$2" "$3" ; exit 0;;
 102   mkdir)   mcrarfs_mkdir   "$2" "$3" ; exit 0;;
 103   copyin)  mcrarfs_copyin  "$2" "$3" $4; exit 0;;
 104   copyout) mcrarfs_copyout "$2" "$3" $4; exit 0;;
 105 esac
 106 exit 1