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#!/bin/sh
# Copyright (C) 2021 by Achim Leitner <aleitner@lis-engineering.de>
# This program is distributable under the terms of the GNU GPL (see COPYING)
#
# Modern linux systems have the protected_regular feature set to 1 or 2
# See https://www.kernel.org/doc/Documentation/sysctl/fs.txt
# Make sure we can still write these files in --inplace mode
. "$suitedir/rsync.fns"
test -f /proc/sys/fs/protected_regular || test_skipped "Can't find protected_regular setting (only available on Linux)"
pr_lvl=`cat /proc/sys/fs/protected_regular 2>/dev/null` || test_skipped "Can't check if fs.protected_regular is enabled (probably need root)"
test "$pr_lvl" != 0 || test_skipped "fs.protected_regular is not enabled"
workdir="$tmpdir/files"
mkdir "$workdir"
chmod 1777 "$workdir"
echo "Source" > "$workdir/src"
echo "" > "$workdir/dst"
chown 5001 "$workdir/dst" || test_skipped "Can't chown (probably need root)"
# Output is only shown in case of an error
echo "Contents of $workdir:"
ls -al "$workdir"
$RSYNC --inplace "$workdir/src" "$workdir/dst" || test_fail
# The script would have aborted on error, so getting here means we've won.
exit 0
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