1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
#!/bin/sh
# Test some of cp's options and how cp handles situations in
# which a naive implementation might overwrite the source file.
# Copyright (C) 1998-2012 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
# Unset CDPATH. Otherwise, output from the 'cd dir' command
# can make this test fail.
(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
VERSION_CONTROL=numbered; export VERSION_CONTROL
# Determine whether a hard link to a symlink points to the symlink
# itself or to its referent. For example, the link from FreeBSD6.1
# does dereference a symlink, but the one from Linux does not.
ln -s no-such dangling-slink
ln dangling-slink hard-link > /dev/null 2>&1 \
&& hard_link_to_symlink_does_the_deref=no \
|| hard_link_to_symlink_does_the_deref=yes
rm -f no-such dangling-slink hard-link
test $hard_link_to_symlink_does_the_deref = yes \
&& remove_these_sed='/^0 -[bf]*l .*sl1 ->/d' \
|| remove_these_sed='/^ELIDE NO TEST OUTPUT/d'
exec 3>&1 1> actual
# FIXME: This should be bigger: like more than 8k
contents=XYZ
for args in 'foo symlink' 'symlink foo' 'foo foo' 'sl1 sl2' 'foo hardlink'; do
for options in '' -d -f -df --rem -b -bd -bf -bdf \
-l -dl -fl -dfl -bl -bdl -bfl -bdfl; do
case $args$options in
# These tests are not portable.
# They all involve making a hard link to a symbolic link.
# In the past, we've skipped the tests that are not portable,
# by doing "continue" here and eliminating the corresponding
# expected output lines below. Don't do that anymore.
'symlink foo'-dfl)
continue;;
'symlink foo'-bdl)
continue;;
'symlink foo'-bdfl)
continue;;
'sl1 sl2'-dfl)
continue;;
'sl1 sl2'-bd*l)
continue;;
'sl1 sl2'-dl)
continue;;
esac
# cont'd Instead, skip them only on systems for which link does
# dereference a symlink. Detect and skip such tests here.
case $hard_link_to_symlink_does_the_deref:$args:$options in
'yes:sl1 sl2:-fl')
continue ;;
'yes:sl1 sl2:-bl')
continue ;;
'yes:sl1 sl2:-bfl')
continue ;;
esac
rm -rf dir
mkdir dir
cd dir
echo $contents > foo
case "$args" in *symlink*) ln -s foo symlink ;; esac
case "$args" in *hardlink*) ln foo hardlink ;; esac
case "$args" in *sl1*) ln -s foo sl1;; esac
case "$args" in *sl2*) ln -s foo sl2;; esac
(
(
# echo 1>&2 cp $options $args
cp $options $args 2>_err
echo $? $options
# Normalize the program name and diagnostics in the error output,
# and put brackets around the output.
if test -s _err; then
sed '
s/^[^:]*:\([^:]*\).*/cp:\1/
1s/^/[/
$s/$/]/
' _err
fi
# Strip off all but the file names.
ls=`ls -gG --ignore=_err . \
| sed \
-e '/^total /d' \
-e 's/^[^ ]* *[^ ]* *[^ ]* *[^ ]* *[^ ]* *[^ ]* *//'`
echo "($ls)"
# Make sure the original is unchanged and that
# the destination is a copy.
for f in $args; do
if test -f $f; then
case "`cat $f`" in
"$contents") ;;
*) echo cp FAILED;;
esac
else
echo symlink-loop
fi
done
) | tr '\n' ' '
echo
) | sed 's/ *$//'
cd ..
done
echo
done
cat <<\EOF | sed "$remove_these_sed" > expected
1 [cp: 'foo' and 'symlink' are the same file] (foo symlink -> foo)
1 -d [cp: 'foo' and 'symlink' are the same file] (foo symlink -> foo)
1 -f [cp: 'foo' and 'symlink' are the same file] (foo symlink -> foo)
1 -df [cp: 'foo' and 'symlink' are the same file] (foo symlink -> foo)
0 --rem (foo symlink)
0 -b (foo symlink symlink.~1~ -> foo)
0 -bd (foo symlink symlink.~1~ -> foo)
0 -bf (foo symlink symlink.~1~ -> foo)
0 -bdf (foo symlink symlink.~1~ -> foo)
1 -l [cp: cannot create hard link 'symlink' to 'foo'] (foo symlink -> foo)
0 -dl (foo symlink -> foo)
0 -fl (foo symlink)
0 -dfl (foo symlink)
0 -bl (foo symlink symlink.~1~ -> foo)
0 -bdl (foo symlink symlink.~1~ -> foo)
0 -bfl (foo symlink symlink.~1~ -> foo)
0 -bdfl (foo symlink symlink.~1~ -> foo)
1 [cp: 'symlink' and 'foo' are the same file] (foo symlink -> foo)
1 -d [cp: 'symlink' and 'foo' are the same file] (foo symlink -> foo)
1 -f [cp: 'symlink' and 'foo' are the same file] (foo symlink -> foo)
1 -df [cp: 'symlink' and 'foo' are the same file] (foo symlink -> foo)
1 --rem [cp: 'symlink' and 'foo' are the same file] (foo symlink -> foo)
1 -b [cp: 'symlink' and 'foo' are the same file] (foo symlink -> foo)
0 -bd (foo -> foo foo.~1~ symlink -> foo) symlink-loop symlink-loop
1 -bf [cp: 'symlink' and 'foo' are the same file] (foo symlink -> foo)
0 -bdf (foo -> foo foo.~1~ symlink -> foo) symlink-loop symlink-loop
0 -l (foo symlink -> foo)
0 -dl (foo symlink -> foo)
0 -fl (foo symlink -> foo)
0 -bl (foo symlink -> foo)
0 -bfl (foo symlink -> foo)
1 [cp: 'foo' and 'foo' are the same file] (foo)
1 -d [cp: 'foo' and 'foo' are the same file] (foo)
1 -f [cp: 'foo' and 'foo' are the same file] (foo)
1 -df [cp: 'foo' and 'foo' are the same file] (foo)
1 --rem [cp: 'foo' and 'foo' are the same file] (foo)
1 -b [cp: 'foo' and 'foo' are the same file] (foo)
1 -bd [cp: 'foo' and 'foo' are the same file] (foo)
0 -bf (foo foo.~1~)
0 -bdf (foo foo.~1~)
0 -l (foo)
0 -dl (foo)
0 -fl (foo)
0 -dfl (foo)
0 -bl (foo)
0 -bdl (foo)
0 -bfl (foo foo.~1~)
0 -bdfl (foo foo.~1~)
1 [cp: 'sl1' and 'sl2' are the same file] (foo sl1 -> foo sl2 -> foo)
0 -d (foo sl1 -> foo sl2 -> foo)
1 -f [cp: 'sl1' and 'sl2' are the same file] (foo sl1 -> foo sl2 -> foo)
0 -df (foo sl1 -> foo sl2 -> foo)
0 --rem (foo sl1 -> foo sl2)
0 -b (foo sl1 -> foo sl2 sl2.~1~ -> foo)
0 -bd (foo sl1 -> foo sl2 -> foo sl2.~1~ -> foo)
0 -bf (foo sl1 -> foo sl2 sl2.~1~ -> foo)
0 -bdf (foo sl1 -> foo sl2 -> foo sl2.~1~ -> foo)
1 -l [cp: cannot create hard link 'sl2' to 'sl1'] (foo sl1 -> foo sl2 -> foo)
0 -fl (foo sl1 -> foo sl2 -> foo)
0 -bl (foo sl1 -> foo sl2 -> foo sl2.~1~ -> foo)
0 -bfl (foo sl1 -> foo sl2 -> foo sl2.~1~ -> foo)
1 [cp: 'foo' and 'hardlink' are the same file] (foo hardlink)
1 -d [cp: 'foo' and 'hardlink' are the same file] (foo hardlink)
1 -f [cp: 'foo' and 'hardlink' are the same file] (foo hardlink)
1 -df [cp: 'foo' and 'hardlink' are the same file] (foo hardlink)
0 --rem (foo hardlink)
0 -b (foo hardlink hardlink.~1~)
0 -bd (foo hardlink hardlink.~1~)
0 -bf (foo hardlink hardlink.~1~)
0 -bdf (foo hardlink hardlink.~1~)
0 -l (foo hardlink)
0 -dl (foo hardlink)
0 -fl (foo hardlink)
0 -dfl (foo hardlink)
0 -bl (foo hardlink)
0 -bdl (foo hardlink)
0 -bfl (foo hardlink)
0 -bdfl (foo hardlink)
EOF
exec 1>&3 3>&-
compare expected actual 1>&2 || fail=1
Exit $fail
|
