1 |
## compare_shells: dash bash mksh ash
|
2 |
## oils_failures_allowed: 0
|
3 |
|
4 |
# TODO: upgrade to bash 5.2 and make OSH behave like that! redirect failures
|
5 |
|
6 |
|
7 |
set -o errexit
|
8 |
false
|
9 |
echo done
|
10 |
## stdout-json: ""
|
11 |
## status: 1
|
12 |
|
13 |
|
14 |
set -o errexit
|
15 |
nonexistent__ZZ
|
16 |
echo done
|
17 |
## stdout-json: ""
|
18 |
## status: 127
|
19 |
|
20 |
|
21 |
set -o errexit
|
22 |
echo hi | grep nonexistent
|
23 |
echo two
|
24 |
## stdout-json: ""
|
25 |
## status: 1
|
26 |
|
27 |
|
28 |
# This aborts because it's not part of an if statement.
|
29 |
set -o errexit
|
30 |
{ echo one; false; echo two; }
|
31 |
## stdout: one
|
32 |
## status: 1
|
33 |
|
34 |
|
35 |
set -o errexit
|
36 |
if { echo one; false; echo two; }; then
|
37 |
echo three
|
38 |
fi
|
39 |
echo four
|
40 |
## status: 0
|
41 |
## STDOUT:
|
42 |
one
|
43 |
two
|
44 |
three
|
45 |
four
|
46 |
## END
|
47 |
|
48 |
|
49 |
set -o errexit
|
50 |
echo hi | grep nonexistent || echo ok
|
51 |
## stdout: ok
|
52 |
## status: 0
|
53 |
|
54 |
|
55 |
set -o errexit
|
56 |
echo ok && echo hi | grep nonexistent
|
57 |
## stdout: ok
|
58 |
## status: 1
|
59 |
|
60 |
|
61 |
set -o errexit
|
62 |
test "$mod" = readline && echo "#endif"
|
63 |
echo status=$?
|
64 |
## stdout: status=1
|
65 |
|
66 |
|
67 |
set -o errexit
|
68 |
test -n X && false
|
69 |
echo status=$?
|
70 |
## stdout-json: ""
|
71 |
## status: 1
|
72 |
|
73 |
|
74 |
|
75 |
$SH -c 'set -e; false || { echo group; false; }; echo bad'
|
76 |
echo status=$?
|
77 |
echo
|
78 |
|
79 |
$SH -c 'set -e; false || ( echo subshell; exit 42 ); echo bad'
|
80 |
echo status=$?
|
81 |
echo
|
82 |
|
83 |
# noforklast optimization
|
84 |
$SH -c 'set -e; false || /bin/false; echo bad'
|
85 |
echo status=$?
|
86 |
|
87 |
## STDOUT:
|
88 |
group
|
89 |
status=1
|
90 |
|
91 |
subshell
|
92 |
status=42
|
93 |
|
94 |
status=1
|
95 |
## END
|
96 |
|
97 |
|
98 |
set -o errexit
|
99 |
for x in 1 2 3; do
|
100 |
test $x = 2 && echo "hi $x"
|
101 |
done
|
102 |
## stdout: hi 2
|
103 |
## status: 1
|
104 |
|
105 |
|
106 |
set -o errexit
|
107 |
{ test no = yes && echo hi; }
|
108 |
echo status=$?
|
109 |
## stdout: status=1
|
110 |
|
111 |
|
112 |
set -o errexit
|
113 |
time false
|
114 |
echo status=$?
|
115 |
## status: 1
|
116 |
|
117 |
|
118 |
set -o errexit
|
119 |
echo one
|
120 |
! true
|
121 |
echo two
|
122 |
! false
|
123 |
echo three
|
124 |
## STDOUT:
|
125 |
one
|
126 |
two
|
127 |
three
|
128 |
## END
|
129 |
|
130 |
|
131 |
# AST has extra Sentence nodes; there was a REGRESSION here.
|
132 |
set -o errexit; echo one; ! true; echo two; ! false; echo three
|
133 |
## STDOUT:
|
134 |
one
|
135 |
two
|
136 |
three
|
137 |
## END
|
138 |
|
139 |
|
140 |
set -o errexit
|
141 |
while false; do
|
142 |
echo ok
|
143 |
done
|
144 |
until false; do
|
145 |
echo ok # do this once then exit loop
|
146 |
break
|
147 |
done
|
148 |
## stdout: ok
|
149 |
## status: 0
|
150 |
|
151 |
|
152 |
# from http://mywiki.wooledge.org/BashFAQ/105, this changed between versions.
|
153 |
# ash says that 'i++' is not found, but it doesn't exit. I guess this is the
|
154 |
# subshell problem?
|
155 |
set -o errexit
|
156 |
i=0
|
157 |
(( i++ ))
|
158 |
echo done
|
159 |
## stdout-json: ""
|
160 |
## status: 1
|
161 |
## N-I dash/ash status: 127
|
162 |
## N-I dash/ash stdout-json: ""
|
163 |
|
164 |
|
165 |
set -o errexit
|
166 |
( echo one; false; echo two; )
|
167 |
echo three
|
168 |
## status: 1
|
169 |
## STDOUT:
|
170 |
one
|
171 |
## END
|
172 |
|
173 |
|
174 |
set -o errexit
|
175 |
# osh aborts early here
|
176 |
if { echo 1; false; echo 2; set -o errexit; echo 3; false; echo 4; }; then
|
177 |
echo 5;
|
178 |
fi
|
179 |
echo 6
|
180 |
false # this is the one that makes shells fail
|
181 |
echo 7
|
182 |
## status: 1
|
183 |
## STDOUT:
|
184 |
1
|
185 |
2
|
186 |
3
|
187 |
4
|
188 |
5
|
189 |
6
|
190 |
## END
|
191 |
|
192 |
|
193 |
set -o errexit
|
194 |
if { echo 1; false; echo 2; set +o errexit; echo 3; false; echo 4; }; then
|
195 |
echo 5;
|
196 |
fi
|
197 |
echo 6
|
198 |
false # does NOT fail, because we restored it.
|
199 |
echo 7
|
200 |
## STDOUT:
|
201 |
1
|
202 |
2
|
203 |
3
|
204 |
4
|
205 |
5
|
206 |
6
|
207 |
7
|
208 |
## END
|
209 |
|
210 |
|
211 |
set -o errexit
|
212 |
if { echo 1; ! set +o errexit; echo 2; }; then
|
213 |
echo 3
|
214 |
fi
|
215 |
echo 6
|
216 |
false
|
217 |
echo 7
|
218 |
|
219 |
## STDOUT:
|
220 |
1
|
221 |
2
|
222 |
3
|
223 |
6
|
224 |
7
|
225 |
## END
|
226 |
|
227 |
|
228 |
( echo 1; false; echo 2; set -o errexit; echo 3; false; echo 4; )
|
229 |
echo 5
|
230 |
false
|
231 |
echo 6
|
232 |
## STDOUT:
|
233 |
1
|
234 |
2
|
235 |
3
|
236 |
5
|
237 |
6
|
238 |
## END
|
239 |
|
240 |
|
241 |
set -o errexit
|
242 |
if ( echo 1; false; echo 2; set -o errexit; echo 3; false; echo 4 ); then
|
243 |
echo 5;
|
244 |
fi
|
245 |
echo 6 # This is executed because the subshell just returns false
|
246 |
false
|
247 |
echo 7
|
248 |
## status: 1
|
249 |
## STDOUT:
|
250 |
1
|
251 |
2
|
252 |
3
|
253 |
4
|
254 |
5
|
255 |
6
|
256 |
## END
|
257 |
|
258 |
|
259 |
set -o errexit
|
260 |
shopt -s strict:all || true
|
261 |
echo one
|
262 |
false # fail
|
263 |
echo two
|
264 |
## status: 1
|
265 |
## STDOUT:
|
266 |
one
|
267 |
## END
|
268 |
|
269 |
|
270 |
# OSH bug fix. ErrExit needs a counter, not a boolean.
|
271 |
set -o errexit
|
272 |
if { ! false; false; true; } then
|
273 |
echo true
|
274 |
fi
|
275 |
false
|
276 |
echo done
|
277 |
## status: 1
|
278 |
## STDOUT:
|
279 |
true
|
280 |
## END
|
281 |
|
282 |
|
283 |
set -o errexit
|
284 |
{ echo one; false; echo two; exit 42; } &
|
285 |
wait $!
|
286 |
## status: 1
|
287 |
## STDOUT:
|
288 |
one
|
289 |
## END
|
290 |
|
291 |
|
292 |
set -o errexit
|
293 |
# It is respected here.
|
294 |
{ echo one; false; echo two; } | cat
|
295 |
|
296 |
# Also respected here.
|
297 |
{ echo three; echo four; } | while read line; do
|
298 |
echo "[$line]"
|
299 |
false
|
300 |
done
|
301 |
echo four
|
302 |
## status: 1
|
303 |
## STDOUT:
|
304 |
one
|
305 |
[three]
|
306 |
## END
|
307 |
|
308 |
|
309 |
|
310 |
$SH -c '
|
311 |
set -o errexit
|
312 |
true > /
|
313 |
echo builtin status=$?
|
314 |
'
|
315 |
echo status=$?
|
316 |
|
317 |
$SH -c '
|
318 |
set -o errexit
|
319 |
/bin/true > /
|
320 |
echo extern status=$?
|
321 |
'
|
322 |
echo status=$?
|
323 |
|
324 |
$SH -c '
|
325 |
set -o errexit
|
326 |
assign=foo > /
|
327 |
echo assign status=$?
|
328 |
'
|
329 |
echo status=$?
|
330 |
|
331 |
## STDOUT:
|
332 |
status=1
|
333 |
status=1
|
334 |
status=1
|
335 |
## END
|
336 |
## OK dash STDOUT:
|
337 |
status=2
|
338 |
status=2
|
339 |
status=2
|
340 |
## END
|
341 |
|
342 |
|
343 |
|
344 |
# bash 5.2 fixed bash 4.4 bug: this is now checked
|
345 |
|
346 |
$SH -c '
|
347 |
shopt -s expand_aliases
|
348 |
|
349 |
set -o errexit
|
350 |
alias zz="{ echo 1; echo 2; }"
|
351 |
zz > /
|
352 |
echo alias status=$?
|
353 |
'
|
354 |
echo status=$?
|
355 |
|
356 |
## STDOUT:
|
357 |
status=1
|
358 |
## END
|
359 |
|
360 |
## BUG dash STDOUT:
|
361 |
alias status=2
|
362 |
status=0
|
363 |
## END
|
364 |
|
365 |
## BUG ash STDOUT:
|
366 |
alias status=1
|
367 |
status=0
|
368 |
## END
|
369 |
|
370 |
|
371 |
|
372 |
# bash 5.2 fixed bash 4.4 bug: this is now checked
|
373 |
|
374 |
case $SH in dash) exit ;; esac
|
375 |
|
376 |
$SH -c '
|
377 |
set -o errexit
|
378 |
[[ x = x ]] > /
|
379 |
echo dbracket status=$?
|
380 |
'
|
381 |
echo status=$?
|
382 |
|
383 |
$SH -c '
|
384 |
set -o errexit
|
385 |
(( 42 )) > /
|
386 |
echo dparen status=$?
|
387 |
'
|
388 |
echo status=$?
|
389 |
|
390 |
## STDOUT:
|
391 |
status=1
|
392 |
status=1
|
393 |
## END
|
394 |
|
395 |
## OK ash STDOUT:
|
396 |
status=1
|
397 |
status=2
|
398 |
## END
|
399 |
|
400 |
## N-I dash STDOUT:
|
401 |
## END
|
402 |
|
403 |
|
404 |
|
405 |
|
406 |
# bash 5.2 fixed bash 4.4 bug: this is now checked
|
407 |
|
408 |
# case from
|
409 |
# https://lists.gnu.org/archive/html/bug-bash/2020-05/msg00066.html
|
410 |
|
411 |
set -o errexit
|
412 |
|
413 |
{ cat ; } < not_exist.txt
|
414 |
|
415 |
echo status=$?
|
416 |
echo 'should not get here'
|
417 |
|
418 |
## status: 1
|
419 |
## STDOUT:
|
420 |
## END
|
421 |
|
422 |
## BUG dash status: 0
|
423 |
## BUG dash STDOUT:
|
424 |
status=2
|
425 |
should not get here
|
426 |
## END
|
427 |
|
428 |
## BUG ash status: 0
|
429 |
## BUG ash STDOUT:
|
430 |
status=1
|
431 |
should not get here
|
432 |
## END
|
433 |
|
434 |
|
435 |
|
436 |
|
437 |
# bash 5.2 fixed bash 4.4 bug: this is now checked
|
438 |
|
439 |
# case from
|
440 |
# https://lists.gnu.org/archive/html/bug-bash/2020-05/msg00066.html
|
441 |
|
442 |
set -o errexit
|
443 |
|
444 |
while read line; do
|
445 |
echo $line
|
446 |
done < not_exist.txt
|
447 |
|
448 |
echo status=$?
|
449 |
echo 'should not get here'
|
450 |
|
451 |
## status: 1
|
452 |
## STDOUT:
|
453 |
## END
|
454 |
|
455 |
## BUG dash status: 0
|
456 |
## BUG dash STDOUT:
|
457 |
status=2
|
458 |
should not get here
|
459 |
## END
|
460 |
|
461 |
## BUG ash status: 0
|
462 |
## BUG ash STDOUT:
|
463 |
status=1
|
464 |
should not get here
|
465 |
## END
|
466 |
|
467 |
|
468 |
|
469 |
foo() {
|
470 |
set -e
|
471 |
false
|
472 |
echo "should be executed"
|
473 |
}
|
474 |
#foo && true
|
475 |
#foo || true
|
476 |
|
477 |
if foo; then
|
478 |
true
|
479 |
fi
|
480 |
|
481 |
echo "should be executed"
|
482 |
## STDOUT:
|
483 |
should be executed
|
484 |
should be executed
|
485 |
## END
|
486 |
|
487 |
|
488 |
foo() {
|
489 |
set -e
|
490 |
false
|
491 |
echo "should be executed"
|
492 |
}
|
493 |
! foo
|
494 |
|
495 |
echo "should be executed"
|
496 |
## BUG bash stdout-json: ""
|
497 |
## BUG bash status: 1
|
498 |
## STDOUT:
|
499 |
should be executed
|
500 |
should be executed
|
501 |
## END
|
502 |
|
503 |
|
504 |
|
505 |
echo ft $(false) $(true)
|
506 |
echo status=$?
|
507 |
|
508 |
set -o errexit
|
509 |
shopt -s inherit_errexit || true
|
510 |
|
511 |
# This changes it
|
512 |
#shopt -s command_sub_errexit || true
|
513 |
|
514 |
echo f $(date %x)
|
515 |
echo status=$?
|
516 |
|
517 |
# compare with
|
518 |
# x=$(date %x) # FAILS
|
519 |
# local x=$(date %x) # does NOT fail
|
520 |
|
521 |
echo ft $(false) $(true)
|
522 |
echo status=$?
|
523 |
|
524 |
## STDOUT:
|
525 |
ft
|
526 |
status=0
|
527 |
f
|
528 |
status=0
|
529 |
ft
|
530 |
status=0
|
531 |
## END
|
532 |
|