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* NEWS: Mention it. * doc/coreutils.texi (cp invocation): Describe it. * src/copy.h (struct cp_options) [reflink]: New member. * src/copy.c (usage): Describe it. (copy_reg): If reflink is true try to clone the file. (main): Check for --reflink. (cp_option_init): Initialize the new member. * src/install.c (cp_option_init): Initialize the new member. * src/mv.c (cp_option_init): Likewise. * tests/cp/sparse: Add a new test case.
46 lines
1.4 KiB
Bash
Executable File
46 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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# Test cp --sparse=always
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# Copyright (C) 2006-2009 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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if test "$VERBOSE" = yes; then
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set -x
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cp --version
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fi
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. $srcdir/test-lib.sh
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require_sparse_support_
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# Create a sparse file.
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# It has to be at least 128K in order to be sparse on some systems.
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# Make its size one larger than 128K, in order to tickle the
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# bug in coreutils-6.0.
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size=`expr 128 \* 1024 + 1`
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dd bs=1 seek=$size of=sparse < /dev/null 2> /dev/null || framework_failure
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fail=0
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cp --sparse=always sparse copy || fail=1
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# Ensure that the copy has the same block count as the original.
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test `stat --printf %b copy` -le `stat --printf %b sparse` || fail=1
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# Ensure that --sparse={always,never} with --reflink fail.
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cp --sparse=always --reflink sparse copy && fail=1
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cp --sparse=never --reflink sparse copy && fail=1
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Exit $fail
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