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d02e4e7775
* src/ln.c: Include "file-set.h", "hash.h" and "hash-triple.h". (dest_set, DEST_INFO_INITIAL_CAPACITY): New globals. (do_link): Refuse to remove a just-created link. Record a name,dev,ino triple for each link we create. (main): Initialize dest_set, if needed. * tests/mv/childproof: Test for the above fix. * NEWS: Document this. Reported by Eric Blake. Signed-off-by: Jim Meyering <jim@meyering.net>
104 lines
2.8 KiB
Bash
Executable File
104 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
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# Ensure that cp/mv/ln don't clobber a just-copied/moved/linked file.
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# With fileutils-4.1 and earlier, this test would fail for cp and mv.
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# With coreutils-6.9 and earlier, this test would fail for ln.
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# Copyright (C) 2001, 2004, 2006-2007 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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mv --version
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ln --version
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fi
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. $srcdir/../envvar-check
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. $srcdir/../lang-default
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PRIV_CHECK_ARG=require-non-root . $srcdir/../priv-check
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pwd=`pwd`
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tmp=childproof.$$
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trap 'status=$?; cd "$pwd" && rm -rf $tmp && exit $status' 0
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trap '(exit $?); exit' 1 2 13 15
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framework_failure=0
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mkdir $tmp || framework_failure=1
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cd $tmp || framework_failure=1
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mkdir a b c || framework_failure=1
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echo a > a/f || framework_failure=1
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echo b > b/f || framework_failure=1
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if test $framework_failure = 1; then
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echo 'failure in testing framework' 1>&2
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(exit 1); exit 1
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fi
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fail=0
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cp a/f b/f c 2> /dev/null && fail=1
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test -f a/f || fail=1
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test -f b/f || fail=1
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test -f c/f || fail=1
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test "`cat c/f`" = a || fail=1
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rm -f c/f
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# With --backup=numbered, it should succeed
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cp --backup=numbered a/f b/f c || fail=1
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test -f a/f || fail=1
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test -f b/f || fail=1
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test -f c/f || fail=1
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test -f c/f.~1~ || fail=1
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rm -f c/f*
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mv a/f b/f c 2> /dev/null && fail=1
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test -f a/f && fail=1
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test -f b/f || fail=1
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test -f c/f || fail=1
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test "`cat c/f`" = a || fail=1
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# Make sure mv still works when moving hard links.
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# This is where the same_file test is necessary, and why
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# we save file names in addition to dev/ino.
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rm -f c/f* b/f
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touch a/f
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ln a/f b/g
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mv a/f b/g c || fail=1
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test -f a/f && fail=1
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test -f b/g && fail=1
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test -f c/f || fail=1
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test -f c/g || fail=1
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touch a/f b/f b/g
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mv a/f b/f b/g c 2> /dev/null && fail=1
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test -f a/f && fail=1 # a/f should have been moved
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test -f b/f || fail=1 # b/f should remain
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test -f b/g && fail=1 # b/g should have been moved
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test -f c/f || fail=1
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test -f c/g || fail=1
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# Test ln -f.
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rm -f a/f b/f c/f
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echo a > a/f || fail=1
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echo b > b/f || fail=1
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ln -f a/f b/f c 2> /dev/null && fail=1
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# a/f and c/f must be linked
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test `stat --format %i a/f` = `stat --format %i c/f` || fail=1
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# b/f and c/f must not be linked
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test `stat --format %i b/f` = `stat --format %i c/f` && fail=1
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(exit $fail); exit $fail
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