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