summaryrefslogtreecommitdiffstats
path: root/t/t1430-bad-ref-name.sh
blob: 68cc9e73d0c01bb7b9642b25d33155406662116c (plain)
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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
#!/bin/sh

test_description='Test handling of ref names that check-ref-format rejects'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh

test_expect_success setup '
	test_commit one &&
	test_commit two &&
	main_sha1=$(git rev-parse refs/heads/main)
'

test_expect_success 'fast-import: fail on invalid branch name ".badbranchname"' '
	test_when_finished "rm -f .git/objects/pack_* .git/objects/index_*" &&
	cat >input <<-INPUT_END &&
		commit .badbranchname
		committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
		data <<COMMIT
		corrupt
		COMMIT

		from refs/heads/main

	INPUT_END
	test_must_fail git fast-import <input
'

test_expect_success 'fast-import: fail on invalid branch name "bad[branch]name"' '
	test_when_finished "rm -f .git/objects/pack_* .git/objects/index_*" &&
	cat >input <<-INPUT_END &&
		commit bad[branch]name
		committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
		data <<COMMIT
		corrupt
		COMMIT

		from refs/heads/main

	INPUT_END
	test_must_fail git fast-import <input
'

test_expect_success 'git branch shows badly named ref as warning' '
	test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	git branch >output 2>error &&
	test_grep -e "ignoring ref with broken name refs/heads/broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'branch -d can delete badly named ref' '
	test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	git branch -d broken...ref &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'branch -D can delete badly named ref' '
	test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	git branch -D broken...ref &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'branch -D cannot delete non-ref in .git dir' '
	echo precious >.git/my-private-file &&
	echo precious >expect &&
	test_must_fail git branch -D ../../my-private-file &&
	test_cmp expect .git/my-private-file
'

test_expect_success 'branch -D cannot delete ref in .git dir' '
	git rev-parse HEAD >.git/my-private-file &&
	git rev-parse HEAD >expect &&
	git branch foo/legit &&
	test_must_fail git branch -D foo////./././../../../my-private-file &&
	test_cmp expect .git/my-private-file
'

test_expect_success 'branch -D cannot delete absolute path' '
	git branch -f extra &&
	test_must_fail git branch -D "$(pwd)/.git/refs/heads/extra" &&
	test_cmp_rev HEAD extra
'

test_expect_success 'git branch cannot create a badly named ref' '
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	test_must_fail git branch broken...ref &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'branch -m cannot rename to a bad ref name' '
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	test_might_fail git branch -D goodref &&
	git branch goodref &&
	test_must_fail git branch -m goodref broken...ref &&
	test_cmp_rev main goodref &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_failure 'branch -m can rename from a bad ref name' '
	test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&

	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	git branch -m broken...ref renamed &&
	test_cmp_rev main renamed &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'push cannot create a badly named ref' '
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	test_must_fail git push "file://$(pwd)" HEAD:refs/heads/broken...ref &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_failure 'push --mirror can delete badly named ref' '
	top=$(pwd) &&
	git init src &&
	git init dest &&

	(
		cd src &&
		test_commit one
	) &&
	(
		cd dest &&
		test_commit two &&
		git checkout --detach &&
		test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION
	) &&
	git -C src push --mirror "file://$top/dest" &&
	git -C dest branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'rev-parse skips symref pointing to broken name' '
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	git branch shadow one &&
	test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
	test-tool ref-store main create-symref refs/tags/shadow refs/heads/broken...ref msg &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/tags/shadow" &&
	git rev-parse --verify one >expect &&
	git rev-parse --verify shadow >actual 2>err &&
	test_cmp expect actual &&
	test_grep "ignoring dangling symref refs/tags/shadow" err
'

test_expect_success 'for-each-ref emits warnings for broken names' '
	test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	printf "ref: refs/heads/broken...ref\n" >.git/refs/heads/badname &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
	printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...symref" &&
	git for-each-ref >output 2>error &&
	! grep -e "broken\.\.\.ref" output &&
	! grep -e "badname" output &&
	! grep -e "broken\.\.\.symref" output &&
	test_grep "ignoring ref with broken name refs/heads/broken\.\.\.ref" error &&
	test_grep ! "ignoring broken ref refs/heads/badname" error &&
	test_grep "ignoring ref with broken name refs/heads/broken\.\.\.symref" error
'

test_expect_success 'update-ref -d can delete broken name' '
	test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	git update-ref -d refs/heads/broken...ref >output 2>error &&
	test_must_be_empty output &&
	test_must_be_empty error &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'branch -d can delete broken name' '
	test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	git branch -d broken...ref >output 2>error &&
	test_grep "Deleted branch broken...ref (was broken)" output &&
	test_must_be_empty error &&
	git branch >output 2>error &&
	! grep -e "broken\.\.\.ref" error &&
	! grep -e "broken\.\.\.ref" output
'

test_expect_success 'update-ref --no-deref -d can delete symref to broken name' '
	test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&

	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	test-tool ref-store main create-symref refs/heads/badname refs/heads/broken...ref msg &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
	test_ref_exists refs/heads/badname &&
	git update-ref --no-deref -d refs/heads/badname >output 2>error &&
	test_ref_missing refs/heads/badname &&
	test_must_be_empty output &&
	test_must_be_empty error
'

test_expect_success 'branch -d can delete symref to broken name' '
	test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	test-tool ref-store main create-symref refs/heads/badname refs/heads/broken...ref msg &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
	test_ref_exists refs/heads/badname &&
	git branch -d badname >output 2>error &&
	test_ref_missing refs/heads/badname &&
	test_grep "Deleted branch badname (was refs/heads/broken\.\.\.ref)" output &&
	test_must_be_empty error
'

test_expect_success 'update-ref --no-deref -d can delete dangling symref to broken name' '
	test-tool ref-store main create-symref refs/heads/badname refs/heads/broken...ref msg &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
	test_ref_exists refs/heads/badname &&
	git update-ref --no-deref -d refs/heads/badname >output 2>error &&
	test_ref_missing refs/heads/badname &&
	test_must_be_empty output &&
	test_must_be_empty error
'

test_expect_success 'branch -d can delete dangling symref to broken name' '
	test-tool ref-store main create-symref refs/heads/badname refs/heads/broken...ref msg &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
	test_ref_exists refs/heads/badname &&
	git branch -d badname >output 2>error &&
	test_ref_missing refs/heads/badname &&
	test_grep "Deleted branch badname (was refs/heads/broken\.\.\.ref)" output &&
	test_must_be_empty error
'

test_expect_success 'update-ref -d can delete broken name through symref' '
	test-tool ref-store main update-ref msg "refs/heads/broken...ref" $main_sha1 $ZERO_OID REF_SKIP_REFNAME_VERIFICATION &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...ref" &&
	test-tool ref-store main create-symref refs/heads/badname refs/heads/broken...ref msg &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/badname" &&
	test_ref_exists refs/heads/broken...ref &&
	git update-ref -d refs/heads/badname >output 2>error &&
	test_ref_missing refs/heads/broken...ref &&
	test_must_be_empty output &&
	test_must_be_empty error
'

test_expect_success 'update-ref --no-deref -d can delete symref with broken name' '
	printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...symref" &&
	test_ref_exists refs/heads/broken...symref &&
	git update-ref --no-deref -d refs/heads/broken...symref >output 2>error &&
	test_ref_missing refs/heads/broken...symref &&
	test_must_be_empty output &&
	test_must_be_empty error
'

test_expect_success 'branch -d can delete symref with broken name' '
	printf "ref: refs/heads/main\n" >.git/refs/heads/broken...symref &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...symref" &&
	test_ref_exists refs/heads/broken...symref &&
	git branch -d broken...symref >output 2>error &&
	test_ref_missing refs/heads/broken...symref &&
	test_grep "Deleted branch broken...symref (was refs/heads/main)" output &&
	test_must_be_empty error
'

test_expect_success 'update-ref --no-deref -d can delete dangling symref with broken name' '
	printf "ref: refs/heads/idonotexist\n" >.git/refs/heads/broken...symref &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...symref" &&
	test_ref_exists refs/heads/broken...symref &&
	git update-ref --no-deref -d refs/heads/broken...symref >output 2>error &&
	test_ref_missing refs/heads/broken...symref &&
	test_must_be_empty output &&
	test_must_be_empty error
'

test_expect_success 'branch -d can delete dangling symref with broken name' '
	printf "ref: refs/heads/idonotexist\n" >.git/refs/heads/broken...symref &&
	test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF msg refs/heads/broken...symref" &&
	test_ref_exists refs/heads/broken...symref &&
	git branch -d broken...symref >output 2>error &&
	test_ref_missing refs/heads/broken...symref &&
	test_grep "Deleted branch broken...symref (was refs/heads/idonotexist)" output &&
	test_must_be_empty error
'

test_expect_success 'update-ref -d cannot delete non-ref in .git dir' '
	echo precious >.git/my-private-file &&
	echo precious >expect &&
	test_must_fail git update-ref -d my-private-file >output 2>error &&
	test_must_be_empty output &&
	test_grep -e "refusing to update ref with bad name" error &&
	test_cmp expect .git/my-private-file
'

test_expect_success 'update-ref -d cannot delete absolute path' '
	git branch -f extra &&
	test_must_fail git update-ref -d "$(pwd)/.git/refs/heads/extra" &&
	test_cmp_rev HEAD extra
'

test_expect_success 'update-ref --stdin fails create with bad ref name' '
	echo "create ~a refs/heads/main" >stdin &&
	test_must_fail git update-ref --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a" err
'

test_expect_success 'update-ref --stdin fails update with bad ref name' '
	echo "update ~a refs/heads/main" >stdin &&
	test_must_fail git update-ref --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a" err
'

test_expect_success 'update-ref --stdin fails delete with bad ref name' '
	echo "delete ~a refs/heads/main" >stdin &&
	test_must_fail git update-ref --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a" err
'

test_expect_success 'update-ref --stdin -z fails create with bad ref name' '
	printf "%s\0" "create ~a " refs/heads/main >stdin &&
	test_must_fail git update-ref -z --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a " err
'

test_expect_success 'update-ref --stdin -z fails update with bad ref name' '
	printf "%s\0" "update ~a" refs/heads/main "" >stdin &&
	test_must_fail git update-ref -z --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a" err
'

test_expect_success 'update-ref --stdin -z fails delete with bad ref name' '
	printf "%s\0" "delete ~a" refs/heads/main >stdin &&
	test_must_fail git update-ref -z --stdin <stdin 2>err &&
	grep "fatal: invalid ref format: ~a" err
'

test_expect_success 'branch rejects HEAD as a branch name' '
	test_must_fail git branch HEAD HEAD^ &&
	test_must_fail git show-ref refs/heads/HEAD
'

test_expect_success 'checkout -b rejects HEAD as a branch name' '
	test_must_fail git checkout -B HEAD HEAD^ &&
	test_must_fail git show-ref refs/heads/HEAD
'

test_expect_success 'update-ref can operate on refs/heads/HEAD' '
	git update-ref refs/heads/HEAD HEAD^ &&
	git show-ref refs/heads/HEAD &&
	git update-ref -d refs/heads/HEAD &&
	test_must_fail git show-ref refs/heads/HEAD
'

test_expect_success 'branch -d can remove refs/heads/HEAD' '
	git update-ref refs/heads/HEAD HEAD^ &&
	git branch -d HEAD &&
	test_must_fail git show-ref refs/heads/HEAD
'

test_expect_success 'branch -m can rename refs/heads/HEAD' '
	git update-ref refs/heads/HEAD HEAD^ &&
	git branch -m HEAD tail &&
	test_must_fail git show-ref refs/heads/HEAD &&
	git show-ref refs/heads/tail
'

test_expect_success 'branch -d can remove refs/heads/-dash' '
	git update-ref refs/heads/-dash HEAD^ &&
	git branch -d -- -dash &&
	test_must_fail git show-ref refs/heads/-dash
'

test_expect_success 'branch -m can rename refs/heads/-dash' '
	git update-ref refs/heads/-dash HEAD^ &&
	git branch -m -- -dash dash &&
	test_must_fail git show-ref refs/heads/-dash &&
	git show-ref refs/heads/dash
'

test_done