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

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