vfs/extfs/u7z

   1 #! /bin/sh
   2 #
   3 # extfs support for p7zip
   4 # Written by Pavel Roskin <proski@gnu.org>
   5 # Licensed under GNU GPL version 2 or later version.
   6
   7 P7ZIP=7za
   8
   9 mcu7zip_list ()
  10 {
  11         # Symlinks are not shown - no idea how to distinguish them
  12         # Read-only files are not shown as such - it's rarely useful
  13         ugid="`id -nu` `id -ng`"
  14         date_re='^\(....\)-\(..\)-\(..\) \(..:..:..\)'
  15         date_mc='\2-\3-\1 \4'
  16         size_re='............'
  17         $P7ZIP l "$1" | sed -n "s/$date_re D.... $size_re $size_re\(.*\)/drwxr-xr-x 1 $ugid 0 $date_mc \5/p;s/$date_re \..... \($size_re\) $size_re\(.*\)/-rw-r--r-- 1 $ugid \5 $date_mc \6/p"
  18 }
  19
  20 mcu7zip_copyout ()
  21 {
  22         $P7ZIP e -so "$1" "$2" > "$3" 2>/dev/null
  23 }
  24
  25 mcu7zip_copyin ()
  26 {
  27         $P7ZIP a -si"$2" "$1" <"$3" >/dev/null 2>&1
  28 }
  29
  30 mcu7zip_mkdir ()
  31 {
  32         dir=`mktemp -d "${MC_TMPDIR:-/tmp}/mctmpdir-u7z.XXXXXX"` || exit 1
  33         mkdir -p "$dir"/"$2"
  34         $P7ZIP a -w"$dir" "$1" "$2" >/dev/null 2>&1
  35         rm -rf "$dir"
  36 }
  37
  38 mcu7zip_rm ()
  39 {
  40         # NOTE: Version 4.20 fails to delete files in subdirectories
  41         $P7ZIP d "$1" "$2" >/dev/null 2>&1
  42 }
  43
  44 mcu7zip_rmdir ()
  45 {
  46         $P7ZIP d "$1" "$2"/ >/dev/null 2>&1
  47 }
  48
  49 # override any locale for dates
  50 LC_DATE=C
  51 export LC_DATE
  52
  53 umask 077
  54
  55 cmd="$1"
  56 shift
  57
  58 case "$cmd" in
  59   list)    mcu7zip_list    "$@" | sort -k 8 ;;
  60   copyout) mcu7zip_copyout "$@" ;;
  61   copyin)  mcu7zip_copyin  "$@" ;;
  62   mkdir)   mcu7zip_mkdir   "$@" ;;
  63   rm)      mcu7zip_rm      "$@" ;;
  64   rmdir)   mcu7zip_rmdir   "$@" ;;
  65   *) exit 1 ;;
  66 esac
  67 exit 0