52 lines
2.1 KiB
Bash
Executable file
52 lines
2.1 KiB
Bash
Executable file
#!/bin/sh
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# Copyright (c) 2007 Tim Kientzle
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# $FreeBSD: src/usr.bin/tar/test/test-overwrite.sh,v 1.1 2007/03/11 10:36:42 kientzle Exp $
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echo "Test overwrite avoidance"
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. `dirname $0`/config.sh
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# Create a file with some data.
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# This ensures that test.tar actually has some data in it
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# by the time tar tries to add it to itself.
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dd if=/dev/urandom of=a bs=1k count=100 >/dev/null 2>&1
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# Now try to implicitly add archive to itself
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${BSDTAR} -cf test.tar . || echo XXX FAILED XXX
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# Create another file
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dd if=/dev/urandom of=b bs=1k count=100 >/dev/null 2>&1
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# Try again.
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${BSDTAR} -cf test.tar . || echo XXX FAILED XXX
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# Extract the archive and check that the two files got archived, despite the warning
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mkdir compare
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cd compare
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${BSDTAR} -xf ../test.tar
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cmp a ../a || echo XXX a didn't archive correctly XXX
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cmp b ../b || echo XXX b didn't archive correctly XXX
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# TODO: Test overwrite avoidance on extract
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