1	#!/usr/bin/env bash
2
3	#### Env value doesn't persist
4	FOO=foo printenv.py FOO
5	echo [$FOO]
6	## STDOUT:
7	foo
8	[]
9	## END
10
11	#### Env value with equals
12	FOO=foo=foo printenv.py FOO
13	## stdout: foo=foo
14
15	#### Env binding can use preceding bindings, but not subsequent ones
16	# This means that for ASSIGNMENT_WORD, on the RHS you invoke the parser again!
17	# Could be any kind of quoted string.
18	FOO="foo" BAR="[$FOO][$BAZ]" BAZ=baz printenv.py FOO BAR BAZ
19	## STDOUT:
20	foo
21	[foo][]
22	baz
23	## BUG mksh STDOUT:
24	foo
25	[][]
26	baz
27	## END
28
29	#### Env value with two quotes
30	FOO='foo'"adjacent" printenv.py FOO
31	## stdout: fooadjacent
32
33	#### Env value with escaped <
34	FOO=foo\<foo printenv.py FOO
35	## stdout: foo<foo
36
37	#### FOO=foo echo [foo]
38	FOO=foo echo "[$foo]"
39	## stdout: []
40
41	#### FOO=foo func
42	func() {
43	echo "[$FOO]"
44	}
45	FOO=foo func
46	## stdout: [foo]
47
48	#### Multiple temporary envs on the stack
49	g() {
50	echo "$F" "$G1" "$G2"
51	echo '--- g() ---'
52	P=p printenv.py F G1 G2 A P
53	}
54	f() {
55	# NOTE: G1 doesn't pick up binding f, but G2 picks up a.
56	# I don't quite understand why this is, but bash and OSH agree!
57	G1=[$f] G2=[$a] g
58	echo '--- f() ---'
59	printenv.py F G1 G2 A P
60	}
61	a=A
62	F=f f
63	## STDOUT:
64	f [] [A]
65	--- g() ---
66	f
67	[]
68	[A]
69	None
70	p
71	--- f() ---
72	f
73	None
74	None
75	None
76	None
77	## END
78	## OK mksh STDOUT:
79	# G1 and G2 somehow persist. I think that is a bug. They should be local to
80	# the G call.
81	f [] [A]
82	--- g() ---
83	f
84	[]
85	[A]
86	None
87	p
88	--- f() ---
89	f
90	[]
91	[A]
92	None
93	None
94	## END
95	## BUG dash STDOUT:
96	# dash sets even less stuff. Doesn't appear correct.
97	f [] [A]
98	--- g() ---
99	None
100	None
101	None
102	None
103	p
104	--- f() ---
105	None
106	None
107	None
108	None
109	None
110	## END
111
112	#### Escaped = in command name
113	# foo=bar is in the 'spec/bin' dir.
114	foo\=bar
115	## stdout: HI
116
117	#### Env binding not allowed before compound command
118	# bash gives exit code 2 for syntax error, because of 'do'.
119	# dash gives 0 because there is stuff after for? Should really give an error.
120	# mksh gives acceptable error of 1.
121	FOO=bar for i in a b; do printenv.py $FOO; done
122	## BUG dash status: 0
123	## OK mksh status: 1
124	## status: 2
125
126	#### Trying to run keyword 'for'
127	FOO=bar for
128	## status: 127
129
130	#### Empty env binding
131	EMPTY= printenv.py EMPTY
132	## stdout:
133
134	#### Assignment doesn't do word splitting
135	words='one two'
136	a=$words
137	argv.py "$a"
138	## stdout: ['one two']
139
140	#### Assignment doesn't do glob expansion
141	touch _tmp/z.Z _tmp/zz.Z
142	a=_tmp/*.Z
143	argv.py "$a"
144	## stdout: ['_tmp/*.Z']
145
146	#### Env binding in readonly/declare disallowed
147	# I'm disallowing this in the oil shell, because it doesn't work in bash!
148	# (v=None vs v=foo)
149	# assert status 2 for parse error, but allow stdout v=None/status 0 for
150	# existing implementations.
151	FOO=foo readonly v=$(printenv.py FOO)
152	echo "v=$v"
153	## OK bash/dash/mksh stdout: v=None
154	## OK bash/dash/mksh status: 0
155	## status: 2
156
157	#### local -a
158	# nixpkgs setup.sh uses this (issue #26)
159	f() {
160	local -a array=(x y z)
161	argv.py "${array[@]}"
162	}
163	f
164	## stdout: ['x', 'y', 'z']
165	## N-I dash stdout-json: ""
166	## N-I dash status: 2
167	## N-I mksh stdout-json: ""
168	## N-I mksh status: 1
169
170	#### declare -a
171	# nixpkgs setup.sh uses this (issue #26)
172	declare -a array=(x y z)
173	argv.py "${array[@]}"
174	## stdout: ['x', 'y', 'z']
175	## N-I dash stdout-json: ""
176	## N-I dash status: 2
177	## N-I mksh stdout-json: ""
178	## N-I mksh status: 1
179
180	#### typeset -a a[1]=a a[3]=c
181	# declare works the same way in bash, but not mksh.
182	# spaces are NOT allowed here.
183	typeset -a a[1*1]=x a[1+2]=z
184	argv.py "${a[@]}"
185	## stdout: ['x', 'z']
186	## N-I dash stdout-json: ""
187	## N-I dash status: 2
188
189	#### indexed LHS without spaces is allowed
190	a[1 * 1]=x a[ 1 + 2 ]=z
191	argv.py "${a[@]}"
192	## stdout: ['x', 'z']
193	## N-I dash stdout-json: ""
194	## N-I dash status: 2
195
196	#### declare -f
197	func2=x # var names are NOT found
198	declare -f myfunc func2
199	echo $?
200
201	myfunc() { echo myfunc; }
202	# This prints the source code.
203	declare -f myfunc func2 > /dev/null
204	echo $?
205
206	func2() { echo func2; }
207	declare -f myfunc func2 > /dev/null
208	echo $?
209	## STDOUT:
210	1
211	1
212	0
213	## END
214	## N-I dash/mksh STDOUT:
215	127
216	127
217	127
218	## END
219
220	#### declare -p
221	var1() { echo func; } # function names are NOT found.
222	declare -p var1 var2 >/dev/null
223	echo $?
224
225	var1=x
226	declare -p var1 var2 >/dev/null
227	echo $?
228
229	var2=y
230	declare -p var1 var2 >/dev/null
231	echo $?
232	## STDOUT:
233	1
234	1
235	0
236	## N-I dash/mksh STDOUT:
237	127
238	127
239	127
240	## END
241
242	#### typeset -f
243	# mksh implement typeset but not declare
244	typeset -f myfunc func2
245	echo $?
246
247	myfunc() { echo myfunc; }
248	# This prints the source code.
249	typeset -f myfunc func2 > /dev/null
250	echo $?
251
252	func2() { echo func2; }
253	typeset -f myfunc func2 > /dev/null
254	echo $?
255	## STDOUT:
256	1
257	1
258	0
259	## END
260	## N-I dash STDOUT:
261	127
262	127
263	127
264	## END
265
266	#### typeset -p
267	var1() { echo func; } # function names are NOT found.
268	typeset -p var1 var2 >/dev/null
269	echo $?
270
271	var1=x
272	typeset -p var1 var2 >/dev/null
273	echo $?
274
275	var2=y
276	typeset -p var1 var2 >/dev/null
277	echo $?
278	## STDOUT:
279	1
280	1
281	0
282	## BUG mksh STDOUT:
283	# mksh doesn't respect exit codes
284	0
285	0
286	0
287	## END
288	## N-I dash STDOUT:
289	127
290	127
291	127
292	## END
293
294	#### typeset -r makes a string readonly
295	typeset -r s1='12'
296	typeset -r s2='34'
297
298	s1='c'
299	echo status=$?
300	s2='d'
301	echo status=$?
302
303	s1+='e'
304	echo status=$?
305	s2+='f'
306	echo status=$?
307
308	unset s1
309	echo status=$?
310	unset s2
311	echo status=$?
312
313	## status: 1
314	## stdout-json: ""
315	## OK mksh status: 2
316	## OK bash status: 0
317	## OK bash STDOUT:
318	status=1
319	status=1
320	status=1
321	status=1
322	status=1
323	status=1
324	## END
325	## OK dash status: 0
326	## N-I dash STDOUT:
327	status=0
328	status=0
329	status=127
330	status=127
331	status=0
332	status=0
333	## END
334
335	#### typeset -ar makes it readonly
336	typeset -a -r array1=(1 2)
337	typeset -ar array2=(3 4)
338
339	array1=('c')
340	echo status=$?
341	array2=('d')
342	echo status=$?
343
344	array1+=('e')
345	echo status=$?
346	array2+=('f')
347	echo status=$?
348
349	unset array1
350	echo status=$?
351	unset array2
352	echo status=$?
353
354	## status: 1
355	## stdout-json: ""
356	## OK bash status: 0
357	## OK bash STDOUT:
358	status=1
359	status=1
360	status=1
361	status=1
362	status=1
363	status=1
364	## END
365	## N-I dash status: 2
366	## N-I dash stdout-json: ""
367	## N-I mksh status: 1
368	## N-I mksh stdout-json: ""
369
370	#### typeset -x makes it exported
371	typeset -rx PYTHONPATH=lib/
372	printenv.py PYTHONPATH
373	## STDOUT:
374	lib/
375	## END
376	## N-I dash stdout: None
377