1	#!/usr/bin/env bash
2	#
3	# Test set flags, sh flags.
4
5	#### $- with -c
6	# dash's behavior seems most sensible here?
7	$SH -o nounset -c 'echo $-'
8	## stdout: u
9	## OK bash stdout: huBc
10	## OK mksh stdout: uhc
11	## status: 0
12
13	#### $- with pipefail
14	set -o pipefail -o nounset
15	echo $-
16	## stdout: u
17	## status: 0
18	## OK bash stdout: huBs
19	## OK mksh stdout: ush
20	## N-I dash stdout-json: ""
21	## N-I dash status: 2
22
23	#### $- with interactive shell
24	$SH -c 'echo $-' | grep i || echo FALSE
25	$SH -i -c 'echo $-' | grep -q i && echo TRUE
26	## STDOUT:
27	FALSE
28	TRUE
29	## END
30
31	#### sh -c
32	$SH -c 'echo hi'
33	## stdout: hi
34	## status: 0
35
36	#### empty -c input
37	# had a bug here
38	$SH -c ''
39	## stdout-json: ""
40	## status: 0
41
42	#### empty stdin
43	# had a bug here
44	echo -n '' | $SH
45	## stdout-json: ""
46	## status: 0
47
48	#### args are passed
49	$SH -c 'argv.py "$@"' dummy a b
50	## stdout: ['a', 'b']
51
52	#### args that look like flags are passed after script
53	script=$TMP/sh1.sh
54	echo 'argv.py "$@"' > $script
55	chmod +x $script
56	$SH $script --help --help -h
57	## stdout: ['--help', '--help', '-h']
58
59	#### args that look like flags are passed after -c
60	$SH -c 'argv.py "$@"' --help --help -h
61	## stdout: ['--help', '-h']
62
63	#### pass short options on command line
64	$SH -e -c 'false; echo status=$?'
65	## stdout-json: ""
66	## status: 1
67
68	#### pass long options on command line
69	$SH -o errexit -c 'false; echo status=$?'
70	## stdout-json: ""
71	## status: 1
72
73	#### can continue after unknown option
74	# dash and mksh make this a fatal error no matter what.
75	set -o errexit
76	set -o STRICT || true # unknown option
77	echo hello
78	## stdout: hello
79	## status: 0
80	## BUG dash/mksh stdout-json: ""
81	## BUG dash status: 2
82	## BUG mksh status: 1
83
84	#### set with both options and argv
85	set -o errexit a b c
86	echo "$@"
87	false
88	echo done
89	## stdout: a b c
90	## status: 1
91
92	#### set -o vi/emacs
93	set -o vi
94	echo $?
95	set -o emacs
96	echo $?
97	## STDOUT:
98	0
99	0
100	## END
101
102	#### nounset
103	echo "[$unset]"
104	set -o nounset
105	echo "[$unset]"
106	echo end # never reached
107	## stdout: []
108	## status: 1
109	## OK dash status: 2
110
111	#### -u is nounset
112	echo "[$unset]"
113	set -u
114	echo "[$unset]"
115	echo end # never reached
116	## stdout: []
117	## status: 1
118	## OK dash status: 2
119
120	#### nounset with "$@"
121	set a b c
122	set -u # shouldn't touch argv
123	echo "$@"
124	## stdout: a b c
125
126	#### set -u -- clears argv
127	set a b c
128	set -u -- # shouldn't touch argv
129	echo "$@"
130	## stdout:
131
132	#### set -u -- x y z
133	set a b c
134	set -u -- x y z
135	echo "$@"
136	## stdout: x y z
137
138	#### reset option with long flag
139	set -o errexit
140	set +o errexit
141	echo "[$unset]"
142	## stdout: []
143	## status: 0
144
145	#### reset option with short flag
146	set -u
147	set +u
148	echo "[$unset]"
149	## stdout: []
150	## status: 0
151
152	#### set -eu (flag parsing)
153	set -eu
154	echo "[$unset]"
155	echo status=$?
156	## stdout-json: ""
157	## status: 1
158	## OK dash status: 2
159
160	#### -n for no execution (useful with --ast-output)
161	# NOTE: set +n doesn't work because nothing is executed!
162	echo 1
163	set -n
164	echo 2
165	set +n
166	echo 3
167	# osh doesn't work because it only checks -n in bin/oil.py?
168	## STDOUT:
169	1
170	## END
171	## status: 0
172
173	#### pipefail
174	# NOTE: the sleeps are because osh can fail non-deterministically because of a
175	# bug. Same problem as PIPESTATUS.
176	{ sleep 0.01; exit 9; } | { sleep 0.02; exit 2; } | { sleep 0.03; exit 0; }
177	echo $?
178	set -o pipefail
179	{ sleep 0.01; exit 9; } | { sleep 0.02; exit 2; } | { sleep 0.03; exit 0; }
180	echo $?
181	## stdout-json: "0\n2\n"
182	## status: 0
183	## N-I dash stdout-json: "0\n"
184	## N-I dash status: 2
185
186	#### shopt -p -o
187	shopt -po nounset
188	set -u
189	shopt -po nounset
190	## stdout-json: "set +o nounset\nset -o nounset\n"
191	## N-I dash/mksh stdout-json: ""
192	## N-I dash/mksh status: 127
193
194	#### shopt -p
195	shopt -p nullglob
196	shopt -s nullglob
197	shopt -p nullglob
198	## stdout-json: "shopt -u nullglob\nshopt -s nullglob\n"
199	## N-I dash/mksh stdout-json: ""
200	## N-I dash/mksh status: 127
201
202	#### noclobber off
203	set -o errexit
204	echo foo > $TMP/can-clobber
205	set +C
206	echo foo > $TMP/can-clobber
207	set +o noclobber
208	echo foo > $TMP/can-clobber
209	cat $TMP/can-clobber
210	## stdout: foo
211
212	#### noclobber on
213	# Not implemented yet.
214	rm $TMP/no-clobber
215	set -C
216	echo foo > $TMP/no-clobber
217	echo $?
218	echo foo > $TMP/no-clobber
219	echo $?
220	## stdout-json: "0\n1\n"
221	## OK dash stdout-json: "0\n2\n"
222
223	#### SHELLOPTS is updated when options are changed
224	echo $SHELLOPTS | grep -q xtrace
225	echo $?
226	set -x
227	echo $SHELLOPTS | grep -q xtrace
228	echo $?
229	set +x
230	echo $SHELLOPTS | grep -q xtrace
231	echo $?
232	## stdout-json: "1\n0\n1\n"
233	## N-I dash/mksh stdout-json: "1\n1\n1\n"
234
235	#### SHELLOPTS is readonly
236	SHELLOPTS=x
237	echo status=$?
238	## stdout: status=1
239	## N-I dash/mksh stdout: status=0
240
241	# Setting a readonly variable in osh is a hard failure.
242	## OK osh status: 1
243	## OK osh stdout-json: ""
244
245	#### set -o lists options
246	# NOTE: osh doesn't use the same format yet.
247	set -o | grep -o noexec
248	## STDOUT:
249	noexec
250	## END
251
252	#### set without args lists variables
253	__GLOBAL=g
254	f() {
255	local __mylocal=L
256	local __OTHERLOCAL=L
257	__GLOBAL=mutated
258	set | grep '^__'
259	}
260	g() {
261	local __var_in_parent_scope=D
262	f
263	}
264	g
265	## status: 0
266	## STDOUT:
267	__GLOBAL='mutated'
268	__OTHERLOCAL='L'
269	__mylocal='L'
270	__var_in_parent_scope='D'
271	## END
272	## OK bash STDOUT:
273	__GLOBAL=mutated
274	__OTHERLOCAL=L
275	__mylocal=L
276	__var_in_parent_scope=D
277	## END
278	## OK mksh STDOUT:
279	__GLOBAL=mutated
280	__var_in_parent_scope=D
281	__OTHERLOCAL=L
282	__mylocal=L
283	## END
284
285	#### 'set' and 'eval' round trip
286
287	# NOTE: not testing arrays and associative arrays!
288	_space='[ ]'
289	_whitespace=$'[\t\r\n]'
290	_sq="'single quotes'"
291	_backslash_dq="\\ \""
292	_unicode=$'[\u03bc]'
293
294	# Save the variables
295	varfile=$TMP/vars-$(basename $SH).txt
296
297	set | grep '^_' > "$varfile"
298
299	# Unset variables
300	unset _space _whitespace _sq _backslash_dq _unicode
301	echo [ $_space $_whitespace $_sq $_backslash_dq $_unicode ]
302
303	# Restore them
304
305	. $varfile
306	echo "Code saved to $varfile" 1>&2 # for debugging
307
308	test "$_space" = '[ ]' && echo OK
309	test "$_whitespace" = $'[\t\r\n]' && echo OK
310	test "$_sq" = "'single quotes'" && echo OK
311	test "$_backslash_dq" = "\\ \"" && echo OK
312	test "$_unicode" = $'[\u03bc]' && echo OK
313
314	## STDOUT:
315	[ ]
316	OK
317	OK
318	OK
319	OK
320	OK
321	## END
322
323	#### set without args and array variables (not in OSH)
324	declare -a __array
325	__array=(1 2 '3 4')
326	set | grep '^__'
327	## STDOUT:
328	__array=([0]="1" [1]="2" [2]="3 4")
329	## END
330	## OK mksh STDOUT:
331	__array[0]=1
332	__array[1]=2
333	__array[2]='3 4'
334	## N-I dash stdout-json: ""
335	## N-I dash status: 2
336	## N-I osh stdout-json: ""
337	## N-I osh status: 1
338
339	#### set without args and assoc array variables (not in OSH)
340	typeset -A __assoc
341	__assoc['k e y']='v a l'
342	__assoc[a]=b
343	set | grep '^__'
344	## STDOUT:
345	__assoc=(["k e y"]="v a l" [a]="b" )
346	## END
347	## N-I mksh stdout-json: ""
348	## N-I mksh status: 1
349	## N-I dash stdout-json: ""
350	## N-I dash status: 1
351	## N-I osh stdout-json: ""
352	## N-I osh status: 1
353
354	#### shopt -q
355	shopt -q nullglob
356	echo nullglob=$?
357
358	# set it
359	shopt -s nullglob
360
361	shopt -q nullglob
362	echo nullglob=$?
363
364	shopt -q nullglob failglob
365	echo nullglob,failglob=$?
366
367	# set it
368	shopt -s failglob
369	shopt -q nullglob failglob
370	echo nullglob,failglob=$?
371
372	## STDOUT:
373	nullglob=1
374	nullglob=0
375	nullglob,failglob=1
376	nullglob,failglob=0
377	## END
378	## N-I dash/mksh STDOUT:
379	nullglob=127
380	nullglob=127
381	nullglob,failglob=127
382	nullglob,failglob=127
383	## END
384
385	#### shopt -q invalid
386	shopt -q invalidZZ
387	echo invalidZZ=$?
388	## STDOUT:
389	invalidZZ=2
390	## END
391	## OK bash STDOUT:
392	invalidZZ=1
393	## END
394	## N-I dash/mksh STDOUT:
395	invalidZZ=127
396	## END
397
398	#### sh -i loads rcfile (when combined with -c)
399	$SH -c 'echo 1'
400	cat >$TMP/rcfile <<EOF
401	echo RCFILE
402	EOF
403	$SH --rcfile $TMP/rcfile -i -c 'echo 2'
404	## STDOUT:
405	1
406	RCFILE
407	2
408	## END
409	## N-I dash/mksh STDOUT:
410	1
411	## END
412	## N-I dash status: 2
413	## N-I mksh status: 1