Welcome to mirror list, hosted at ThFree Co, Russian Federation.

t4053-diff-no-index.sh « t - git.kernel.org/pub/scm/git/git.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: 5ce345d309eb70425b9c04cdbfa57d1611675af8 (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
#!/bin/sh

test_description='diff --no-index'

TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh

test_expect_success 'setup' '
	mkdir a &&
	mkdir b &&
	echo 1 >a/1 &&
	echo 2 >a/2 &&
	git init repo &&
	echo 1 >repo/a &&
	mkdir -p non/git &&
	echo 1 >non/git/a &&
	echo 1 >non/git/b
'

test_expect_success 'git diff --no-index --exit-code' '
	git diff --no-index --exit-code a/1 non/git/a &&
	test_expect_code 1 git diff --no-index --exit-code a/1 a/2
'

test_expect_success 'git diff --no-index directories' '
	test_expect_code 1 git diff --no-index a b >cnt &&
	test_line_count = 14 cnt
'

test_expect_success 'git diff --no-index relative path outside repo' '
	(
		cd repo &&
		test_expect_code 0 git diff --no-index a ../non/git/a &&
		test_expect_code 0 git diff --no-index ../non/git/a ../non/git/b
	)
'

test_expect_success 'git diff --no-index with broken index' '
	(
		cd repo &&
		echo broken >.git/index &&
		git diff --no-index a ../non/git/a
	)
'

test_expect_success 'git diff outside repo with broken index' '
	(
		cd repo &&
		git diff ../non/git/a ../non/git/b
	)
'

test_expect_success 'git diff --no-index executed outside repo gives correct error message' '
	(
		GIT_CEILING_DIRECTORIES=$TRASH_DIRECTORY/non &&
		export GIT_CEILING_DIRECTORIES &&
		cd non/git &&
		test_must_fail git diff --no-index a 2>actual.err &&
		test_grep "usage: git diff --no-index" actual.err
	)
'

test_expect_success 'diff D F and diff F D' '
	(
		cd repo &&
		echo in-repo >a &&
		echo non-repo >../non/git/a &&
		mkdir sub &&
		echo sub-repo >sub/a &&

		test_must_fail git diff --no-index sub/a ../non/git/a >expect &&
		test_must_fail git diff --no-index sub/a ../non/git/ >actual &&
		test_cmp expect actual &&

		test_must_fail git diff --no-index a ../non/git/a >expect &&
		test_must_fail git diff --no-index a ../non/git/ >actual &&
		test_cmp expect actual &&

		test_must_fail git diff --no-index ../non/git/a a >expect &&
		test_must_fail git diff --no-index ../non/git a >actual &&
		test_cmp expect actual
	)
'

test_expect_success 'turning a file into a directory' '
	(
		cd non/git &&
		mkdir d e e/sub &&
		echo 1 >d/sub &&
		echo 2 >e/sub/file &&
		printf "D\td/sub\nA\te/sub/file\n" >expect &&
		test_must_fail git diff --no-index --name-status d e >actual &&
		test_cmp expect actual
	)
'

test_expect_success 'diff from repo subdir shows real paths (explicit)' '
	echo "diff --git a/../../non/git/a b/../../non/git/b" >expect &&
	test_expect_code 1 \
		git -C repo/sub \
		diff --no-index ../../non/git/a ../../non/git/b >actual &&
	head -n 1 <actual >actual.head &&
	test_cmp expect actual.head
'

test_expect_success 'diff from repo subdir shows real paths (implicit)' '
	echo "diff --git a/../../non/git/a b/../../non/git/b" >expect &&
	test_expect_code 1 \
		git -C repo/sub \
		diff ../../non/git/a ../../non/git/b >actual &&
	head -n 1 <actual >actual.head &&
	test_cmp expect actual.head
'

test_expect_success 'diff --no-index from repo subdir respects config (explicit)' '
	echo "diff --git ../../non/git/a ../../non/git/b" >expect &&
	test_config -C repo diff.noprefix true &&
	test_expect_code 1 \
		git -C repo/sub \
		diff --no-index ../../non/git/a ../../non/git/b >actual &&
	head -n 1 <actual >actual.head &&
	test_cmp expect actual.head
'

test_expect_success 'diff --no-index from repo subdir respects config (implicit)' '
	echo "diff --git ../../non/git/a ../../non/git/b" >expect &&
	test_config -C repo diff.noprefix true &&
	test_expect_code 1 \
		git -C repo/sub \
		diff ../../non/git/a ../../non/git/b >actual &&
	head -n 1 <actual >actual.head &&
	test_cmp expect actual.head
'

test_expect_success 'diff --no-index from repo subdir with absolute paths' '
	cat <<-EOF >expect &&
	1	1	$(pwd)/non/git/{a => b}
	EOF
	test_expect_code 1 \
		git -C repo/sub diff --numstat \
		"$(pwd)/non/git/a" "$(pwd)/non/git/b" >actual &&
	test_cmp expect actual
'

test_expect_success 'diff --no-index allows external diff' '
	test_expect_code 1 \
		env GIT_EXTERNAL_DIFF="echo external ;:" \
		git diff --no-index non/git/a non/git/b >actual &&
	echo external >expect &&
	test_cmp expect actual
'

test_expect_success 'diff --no-index normalizes mode: no changes' '
	echo foo >x &&
	cp x y &&
	git diff --no-index x y >out &&
	test_must_be_empty out
'

test_expect_success POSIXPERM 'diff --no-index normalizes mode: chmod +x' '
	chmod +x y &&
	cat >expected <<-\EOF &&
	diff --git a/x b/y
	old mode 100644
	new mode 100755
	EOF
	test_expect_code 1 git diff --no-index x y >actual &&
	test_cmp expected actual
'

test_expect_success POSIXPERM 'diff --no-index normalizes: mode not like git mode' '
	chmod 666 x &&
	chmod 777 y &&
	cat >expected <<-\EOF &&
	diff --git a/x b/y
	old mode 100644
	new mode 100755
	EOF
	test_expect_code 1 git diff --no-index x y >actual &&
	test_cmp expected actual
'

test_expect_success POSIXPERM,SYMLINKS 'diff --no-index normalizes: mode not like git mode (symlink)' '
	ln -s y z &&
	X_OID=$(git hash-object --stdin <x) &&
	Z_OID=$(printf y | git hash-object --stdin) &&
	cat >expected <<-EOF &&
	diff --git a/x b/x
	deleted file mode 100644
	index $X_OID..$ZERO_OID
	--- a/x
	+++ /dev/null
	@@ -1 +0,0 @@
	-foo
	diff --git a/z b/z
	new file mode 120000
	index $ZERO_OID..$Z_OID
	--- /dev/null
	+++ b/z
	@@ -0,0 +1 @@
	+y
	\ No newline at end of file
	EOF
	test_expect_code 1 git -c core.abbrev=no diff --no-index x z >actual &&
	test_cmp expected actual
'

test_expect_success "diff --no-index treats '-' as stdin" '
	cat >expect <<-EOF &&
	diff --git a/- b/a/1
	index $ZERO_OID..$(git hash-object --stdin <a/1) 100644
	--- a/-
	+++ b/a/1
	@@ -1 +1 @@
	-x
	+1
	EOF

	test_write_lines x | test_expect_code 1 \
		git -c core.abbrev=no diff --no-index -- - a/1 >actual &&
	test_cmp expect actual &&

	test_write_lines 1 | git diff --no-index -- a/1 - >actual &&
	test_must_be_empty actual
'

test_expect_success "diff --no-index -R treats '-' as stdin" '
	cat >expect <<-EOF &&
	diff --git b/a/1 a/-
	index $(git hash-object --stdin <a/1)..$ZERO_OID 100644
	--- b/a/1
	+++ a/-
	@@ -1 +1 @@
	-1
	+x
	EOF

	test_write_lines x | test_expect_code 1 \
		git -c core.abbrev=no diff --no-index -R -- - a/1 >actual &&
	test_cmp expect actual &&

	test_write_lines 1 | git diff --no-index -R -- a/1 - >actual &&
	test_must_be_empty actual
'

test_expect_success 'diff --no-index refuses to diff stdin and a directory' '
	test_must_fail git diff --no-index -- - a </dev/null 2>err &&
	grep "fatal: cannot compare stdin to a directory" err
'

test_expect_success PIPE 'diff --no-index refuses to diff a named pipe and a directory' '
	test_when_finished "rm -f pipe" &&
	mkfifo pipe &&
	test_must_fail git diff --no-index -- pipe a 2>err &&
	grep "fatal: cannot compare a named pipe to a directory" err
'

test_expect_success PIPE,SYMLINKS 'diff --no-index reads from pipes' '
	test_when_finished "rm -f old new new-link" &&
	mkfifo old &&
	mkfifo new &&
	ln -s new new-link &&
	{
		(test_write_lines a b c >old) &
	} &&
	test_when_finished "kill $! || :" &&
	{
		(test_write_lines a x c >new) &
	} &&
	test_when_finished "kill $! || :" &&

	cat >expect <<-EOF &&
	diff --git a/old b/new-link
	--- a/old
	+++ b/new-link
	@@ -1,3 +1,3 @@
	 a
	-b
	+x
	 c
	EOF

	test_expect_code 1 git diff --no-index old new-link >actual &&
	test_cmp expect actual
'

test_done