Dogcows Code - chaz/tar/blob - tests/incremental.at

   1 # Process this file with autom4te to create testsuite. -*- Autotest -*-
   2
   3 # Test suite for GNU tar.
   4 # Copyright 2004, 2007, 2013-2014 Free Software Foundation, Inc.
   5
   6 # This file is part of GNU tar.
   7
   8 # GNU tar 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 3 of the License, or
  11 # (at your option) any later version.
  12
  13 # GNU tar 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, see <http://www.gnu.org/licenses/>.
  20
  21 # A directory older than the listed entry was skipped completely.
  22
  23 AT_SETUP([incremental])
  24 AT_KEYWORDS([incremental listed incr00])
  25
  26 AT_TAR_CHECK([
  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 separator
  47 # ReiserFS often offsets the timestamps of newly created files
  48 # 1 second to the past.  Try to compensate for it, until a better
  49 # solution is found.
  50 sleep 2
  51 echo y >structure/file
  52 tar cfv archive --listed=list structure
  53 ],
  54 [0],
  55 [
  56 structure/
  57 separator
  58 structure/
  59 structure/file
  60 ],
  61 [],[],[],[gnu,oldgnu,posix])
  62
  63 AT_CLEANUP