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#! /bin/sh
# Copyright (C) 2002 by Martin Pool <mbp@samba.org>
# This program is distributable under the terms of the GNU GPL (see
# COPYING).
# Test rsync handling of hardlinks. By default, rsync does not detect
# hard links and they get sent as separate files. If you specify -H,
# then hard links are detected and linked together on the receiver.
. "$suitedir/rsync.fns"
outfile="$scratchdir/rsync.out"
# Build some hardlinks
fromdir="$scratchdir/from"
todir="$scratchdir/to"
# TODO: Need to test whether hardlinks are possible on this OS/filesystem
mkdir "$fromdir"
name1="$fromdir/name1"
name2="$fromdir/name2"
name3="$fromdir/name3"
name4="$fromdir/name4"
echo "This is the file" > "$name1"
ln "$name1" "$name2" || fail "Can't create hardlink"
ln "$name2" "$name3" || fail "Can't create hardlink"
cp "$name2" "$name4" || fail "Can't copy file"
cat $srcdir/*.c >"$fromdir/text"
checkit "$RSYNC -aHivv '$fromdir/' '$todir/'" "$fromdir" "$todir"
echo "extra extra" >>"$todir/name1"
checkit "$RSYNC -aHivv --no-whole-file '$fromdir/' '$todir/'" "$fromdir" "$todir"
# Add a new link in a new subdirectory to test that we don't try to link
# the files before the directory gets created.
mkdir "$fromdir/subdir"
ln "$name1" "$fromdir/subdir/new-file"
rm "$todir/text"
checkit "$RSYNC -aHivv '$fromdir/' '$todir/'" "$fromdir" "$todir"
# Do some duplicate copies using --link-dest and --copy-dest to test that
# we hard-link all locally-inherited items.
checkit "$RSYNC -aHivv --link-dest='$todir' '$fromdir/' '$chkdir/'" "$todir" "$chkdir"
rm -rf "$chkdir"
checkit "$RSYNC -aHivv --copy-dest='$todir' '$fromdir/' '$chkdir/'" "$fromdir" "$chkdir"
# Create a hard link that has only one part in the hierarchy.
echo "This is another file" >"$fromdir/solo"
ln "$fromdir/solo" "$chkdir/solo" || fail "Can't create hardlink"
# Make sure that the checksum data doesn't slide due to an HLINK_BUMP() change.
$RSYNC -aHivc "$fromdir/" "$chkdir/" | tee "$outfile"
grep solo "$outfile" && test_fail "Erroneous copy of solo file occurred!"
# Make sure there's nothing wrong with sending a single file with -H
# enabled (this has broken twice so far, so we need this test).
rm -rf "$todir"
$RSYNC -aHivv "$name1" "$todir/"
diff $diffopt "$name1" "$todir" || test_fail "solo copy of name1 failed"
# The script would have aborted on error, so getting here means we've won.
exit 0
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