Dogcows Code - chaz/tar/blob - tests/incremen.sh

   1 #! /bin/sh
   2 # This file is part of GNU tar testsuite.
   3 # Copyright (C) 2004 Free Software Foundation, Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2, or (at your option)
   8 # any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  18 # 02111-1307, USA.
  19
  20 # A directory older than the listed entry was skipped completely.
  21
  22 . ./preset
  23 TAR_ARCHIVE_FORMATS="gnu oldgnu"
  24 . $srcdir/before
  25
  26 set -e
  27 mkdir structure
  28 echo x >structure/file
  29
  30 # On Nextstep (and perhaps other 4.3BSD systems),
  31 # a newly created file's ctime isn't updated
  32 # until the next sync or stat operation on the file.
  33 ls -l structure/file >/dev/null
  34
  35 # If the time of an initial backup and the creation time of a file contained
  36 # in that backup are the same, the file will be backed up again when an
  37 # incremental backup is done, because the incremental backup backs up
  38 # files created `on or after' the initial backup time.  Without the sleep
  39 # command, behaviour of tar becomes variable, depending whether the system
  40 # clock ticked over to the next second between creating the file and
  41 # backing it up.
  42 sleep 1
  43
  44 tar cf archive --listed=list structure
  45 tar cfv archive --listed=list structure
  46 echo -----
  47 sleep 1
  48 echo y >structure/file
  49 tar cfv archive --listed=list structure
  50
  51 out="\
  52 structure/
  53 -----
  54 structure/
  55 structure/file
  56 "
  57
  58 . $srcdir/after