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669683c4cb
While "diff -r" is the most straightforward way of comparing directory trees for differences, it has two major issues: * File metadata is not compared, which means that subtle bugs may be missed even if a test is written that exercises the buggy behaviour. * diff(1) doesn't know how to compare special files -- it assumes they are always different, which means that a test using diff(1) on special files will always fail (resulting in such tests not being added). rsync can be used in a very similar manner to diff (with the -ni flags), but has the additional benefit of being able to detect and resolve many more differences between directory trees. In addition, rsync has a standard set of features and flags while diffs feature set depends on whether you're using GNU or BSD binutils. Note that for several of the test cases we expect that file timestamps will not match. For example, the ctime for a file creation or modify event is stored in the intent log but not the mtime. Thus when replaying the log the correct ctime is set but the current mtime is used. This is the expected behavior, so to prevent these tests from failing, there's a replay_directory_diff function which ignores those kinds of changes. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Aleksa Sarai <cyphar@cyphar.com> Closes #12588
55 lines
1.5 KiB
Bash
Executable File
55 lines
1.5 KiB
Bash
Executable File
#!/bin/ksh -p
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#
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# CDDL HEADER START
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#
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# This file and its contents are supplied under the terms of the
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# Common Development and Distribution License ("CDDL"), version 1.0.
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# You may only use this file in accordance with the terms of version
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# 1.0 of the CDDL.
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#
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# A full copy of the text of the CDDL should have accompanied this
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# source. A copy of the CDDL is also available via the Internet at
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# http://www.illumos.org/license/CDDL.
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#
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# CDDL HEADER END
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#
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#
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# Copyright (c) 2020 by Delphix. All rights reserved.
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#
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. $STF_SUITE/tests/functional/rsend/rsend.kshlib
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#
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# DESCRIPTION:
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# Verifies that we can receive a dedup send stream by processing it with
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# "zstream redup".
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#
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verify_runnable "both"
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function cleanup
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{
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destroy_dataset $TESTPOOL/recv "-r"
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rm -r /$TESTPOOL/tar
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rm $sendfile
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}
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log_onexit cleanup
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log_assert "Verify zfs can receive dedup send streams with 'zstream redup'"
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typeset sendfile_compressed=$STF_SUITE/tests/functional/rsend/dedup.zsend.bz2
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typeset sendfile=/$TESTPOOL/dedup.zsend
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typeset tarfile=$STF_SUITE/tests/functional/rsend/fs.tar.gz
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log_must eval "bzcat <$sendfile_compressed >$sendfile"
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log_must zfs create $TESTPOOL/recv
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log_must eval "zstream redup $sendfile | zfs recv -d $TESTPOOL/recv"
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log_must mkdir /$TESTPOOL/tar
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log_must tar --directory /$TESTPOOL/tar -xzf $tarfile
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# The recv'd filesystem is called "/fs", so only compare that subdirectory.
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log_must directory_diff /$TESTPOOL/tar/fs /$TESTPOOL/recv/fs
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log_pass "zfs can receive dedup send streams with 'zstream redup'"
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