78 lines
2.4 KiB
Plaintext
78 lines
2.4 KiB
Plaintext
# Process this file with autom4te to create testsuite. -*- Autotest -*-
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# Test suite for GNU tar.
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# Copyright 2005, 2007, 2013 Free Software Foundation, Inc.
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# This file is part of GNU tar.
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# GNU tar is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# GNU tar is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Description:
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# Restoring of directory modes and timestamps works correctly only
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# if the archive has normal member ordering, i.e. each directory
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# member is immediately followed by members located under that directory.
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# This is not true for incremental archives, where directory members
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# precede the non-directory ones. Due to this, GNU tar up to version 1.15.2
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# failed to correctly restore directory timestamps from an incremental
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# archive if this directory contained some files in it.
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#
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# References: <200511291228.47081.karaman@dssgmbh.de>
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AT_SETUP([restoring timestamps from incremental])
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AT_KEYWORDS([incremental timestamp restore incr02])
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AT_TAR_CHECK([
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# Create directory structure
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mkdir dir
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mkdir dir/subdir1
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mkdir dir/subdir2
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genfile --length 10 --file dir/subdir1/file
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# Save mtime for later comparison
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genfile --stat=mtime dir/subdir1 > ts
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# Create an archive. Using incremental mode makes sure the
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# archive will have a directory-first member ordering,
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# i.e.:
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# dir/
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# dir/subdir1/
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# dir/subdir2/
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# dir/subdir1/foofile
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#
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# When restoring from this directory structure, 'dir/subdir2/' used to
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# trigger apply_nonancestor_delayed_set_stat() which restored stats for
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# 'subdir1' prior to restoring 'dir/subdir1/foofile'. Then, restoring the
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# latter clobbered the directory timestamp.
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tar -cf archive -g db dir
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# Move away the directory
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mv dir orig
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# Wait enough time for timestamps to differ in case of failure.
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sleep 5
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# Restore the directory
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tar -xf archive dir
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# Check the timestamp
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genfile --stat=mtime dir/subdir1 | diff ts -
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],
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[0],
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[],[],[],[],[gnu, oldgnu, posix])
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AT_CLEANUP
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# End of incr02.at
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