src/vfs/extfs/helpers/uzoo.in

   1 #! /bin/sh
   2 #
   3 # Zoo file system
   4 #
   5 # Source of zoo can be found at
   6 # ftp://ftp.ibiblio.org/pub/Linux/utils/compress/
   7
   8 ZOO=zoo
   9
  10 # Stupid zoo won't work if the archive name has no .zoo extension, so we
  11 # have to make a symlink with a "better" name.  Also, zoo can create
  12 # directories even if printing files to stdout, so it's safer to confine
  13 # it to a temporary directory.
  14 mklink ()
  15 {
  16     TMPDIR=`mktemp -d ${MC_TMPDIR:-/tmp}/mctmpdir-uzoo.XXXXXX` || exit 1
  17     trap 'cd /; rm -rf "$TMPDIR"' 0 1 2 3 5 13 15
  18     ARCHIVE="$TMPDIR/tmp.zoo"
  19     ln -sf "$1" "$ARCHIVE"
  20     cd "$TMPDIR" || exit 1
  21 }
  22
  23 mczoofs_list ()
  24 {
  25     mklink "$1"
  26     $ZOO lq "$ARCHIVE" | @AWK@ -v uid=$(id -ru)  '
  27 /^[^\ ]/ { next }
  28 {
  29 if (NF < 8)
  30     next
  31 if ($8 ~ /^\^/)
  32     $8=substr($8, 2)
  33 if ($6 > 50)
  34     $6=$6 + 1900
  35 else
  36     $6=$6 + 2000
  37 split($7, a, ":")
  38 if ($8 ~ /\/$/)
  39     printf "drwxr-xr-x   1 %-8d %-8d %8d %s %2d %4d %02d:%02d %s\n", uid, 0, $1, $5, $4, $6, a[1], a[2], $8
  40 else
  41     printf "-rw-r--r--   1 %-8d %-8d %8d %s %2d %4d %02d:%02d %s\n", uid, 0, $1, $5, $4, $6, a[1], a[2], $8
  42 }' 2>/dev/null
  43     exit 0
  44 }
  45
  46 mczoofs_copyout ()
  47 {
  48     mklink "$1"
  49     # zoo only accepts name without directory as file to extract
  50     base=`echo "$2" | sed 's,.*/,,'`
  51     $ZOO xpq: "$ARCHIVE" "$base" > "$3"
  52     cd /
  53     exit 0
  54 }
  55
  56 umask 077
  57
  58 cmd="$1"
  59 shift
  60 case "$cmd" in
  61   list) mczoofs_list "$@" ;;
  62   copyout) mczoofs_copyout "$@" ;;
  63   *) exit 1 ;;
  64 esac
  65 exit 0