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#!/bin/sh
# Test cp --sparse=always
# Copyright (C) 2006-2012 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
print_ver_ cp
require_sparse_support_
# Create a sparse file.
# It has to be at least 128K in order to be sparse on some systems.
# Make its size one larger than 128K, in order to tickle the
# bug in coreutils-6.0.
size=$(expr 128 \* 1024 + 1)
dd bs=1 seek=$size of=sparse < /dev/null 2> /dev/null || framework_failure_
cp --sparse=always sparse copy || fail=1
# Ensure that the copy has the same block count as the original.
test $(stat --printf %b copy) -le $(stat --printf %b sparse) || fail=1
# Ensure that --sparse={always,never} with --reflink fail.
cp --sparse=always --reflink sparse copy && fail=1
cp --sparse=never --reflink sparse copy && fail=1
Exit $fail
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