Don't modify argv in dd.
[coreutils/ericb.git] / tests / du / deref-args
blob441b21dd797b127fd50d368e3bad1a0a1b87f6dc
1 #!/bin/sh
2 # Ensure that --dereference-args (-D) gives reasonable names.
3 # This test would fail for coreutils-5.0.91.
5 # Copyright (C) 2003-2007 Free Software Foundation, Inc.
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if test "$VERBOSE" = yes; then
21 set -x
22 du --version
25 . $srcdir/../test-lib.sh
27 mkdir -p dir/a || framework_failure
28 ln -s dir slink || framework_failure
29 printf %65536s x > 64k || framework_failure
30 ln -s 64k slink-to-64k || framework_failure
32 fail=0
34 du -D slink | sed 's/^[0-9][0-9]* //' > out
35 # Ensure that the trailing slash is preserved and handled properly.
36 du -D slink/ | sed 's/^[0-9][0-9]* //' >> out
38 # Ensure that -D makes du dereference even symlinks to non-directories.
39 # Be sure to use --apparent-size. Otherwise, we'd get varying block counts
40 # depending on file system type (e.g. 68 on ext3 vs. 64 on tmpfs and 72
41 # on SELinux-enabled systems).
42 du --apparent-size --block-size=1K -D slink-to-64k >> out
43 cat <<\EOF > exp
44 slink/a
45 slink
46 slink/a
47 slink/
48 64 slink-to-64k
49 EOF
51 compare out exp || fail=1
53 (exit $fail); exit $fail