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1 | #!/bin/sh | |
2 | # | |
3 | # Copyright (c) 2005 Johannes Schindelin | |
4 | # | |
5 | ||
6 | test_description='Test diff of symlinks. | |
7 | ||
8 | ' | |
9 | . ./test-lib.sh | |
10 | . "$TEST_DIRECTORY"/diff-lib.sh | |
11 | ||
12 | # Print the short OID of a symlink with the given name. | |
13 | symlink_oid () { | |
14 | local oid=$(printf "%s" "$1" | git hash-object --stdin) && | |
15 | git rev-parse --short "$oid" | |
16 | } | |
17 | ||
18 | # Print the short OID of the given file. | |
19 | short_oid () { | |
20 | local oid=$(git hash-object "$1") && | |
21 | git rev-parse --short "$oid" | |
22 | } | |
23 | ||
24 | test_expect_success 'diff new symlink and file' ' | |
25 | symlink=$(symlink_oid xyzzy) && | |
26 | cat >expected <<-EOF && | |
27 | diff --git a/frotz b/frotz | |
28 | new file mode 120000 | |
29 | index 0000000..$symlink | |
30 | --- /dev/null | |
31 | +++ b/frotz | |
32 | @@ -0,0 +1 @@ | |
33 | +xyzzy | |
34 | \ No newline at end of file | |
35 | diff --git a/nitfol b/nitfol | |
36 | new file mode 100644 | |
37 | index 0000000..$symlink | |
38 | --- /dev/null | |
39 | +++ b/nitfol | |
40 | @@ -0,0 +1 @@ | |
41 | +xyzzy | |
42 | EOF | |
43 | ||
44 | # the empty tree | |
45 | git update-index && | |
46 | tree=$(git write-tree) && | |
47 | ||
48 | test_ln_s_add xyzzy frotz && | |
49 | echo xyzzy >nitfol && | |
50 | git update-index --add nitfol && | |
51 | GIT_DIFF_OPTS=--unified=0 git diff-index -M -p $tree >current && | |
52 | compare_diff_patch expected current | |
53 | ' | |
54 | ||
55 | test_expect_success 'diff unchanged symlink and file' ' | |
56 | tree=$(git write-tree) && | |
57 | git update-index frotz nitfol && | |
58 | test -z "$(git diff-index --name-only $tree)" | |
59 | ' | |
60 | ||
61 | test_expect_success 'diff removed symlink and file' ' | |
62 | cat >expected <<-EOF && | |
63 | diff --git a/frotz b/frotz | |
64 | deleted file mode 120000 | |
65 | index $symlink..0000000 | |
66 | --- a/frotz | |
67 | +++ /dev/null | |
68 | @@ -1 +0,0 @@ | |
69 | -xyzzy | |
70 | \ No newline at end of file | |
71 | diff --git a/nitfol b/nitfol | |
72 | deleted file mode 100644 | |
73 | index $symlink..0000000 | |
74 | --- a/nitfol | |
75 | +++ /dev/null | |
76 | @@ -1 +0,0 @@ | |
77 | -xyzzy | |
78 | EOF | |
79 | mv frotz frotz2 && | |
80 | mv nitfol nitfol2 && | |
81 | git diff-index -M -p $tree >current && | |
82 | compare_diff_patch expected current | |
83 | ' | |
84 | ||
85 | test_expect_success 'diff identical, but newly created symlink and file' ' | |
86 | >expected && | |
87 | rm -f frotz nitfol && | |
88 | echo xyzzy >nitfol && | |
89 | test-tool chmtime +10 nitfol && | |
90 | if test_have_prereq SYMLINKS | |
91 | then | |
92 | ln -s xyzzy frotz | |
93 | else | |
94 | printf xyzzy >frotz | |
95 | # the symlink property propagates from the index | |
96 | fi && | |
97 | git diff-index -M -p $tree >current && | |
98 | compare_diff_patch expected current && | |
99 | ||
100 | >expected && | |
101 | git diff-index -M -p -w $tree >current && | |
102 | compare_diff_patch expected current | |
103 | ' | |
104 | ||
105 | test_expect_success 'diff different symlink and file' ' | |
106 | new=$(symlink_oid yxyyz) && | |
107 | cat >expected <<-EOF && | |
108 | diff --git a/frotz b/frotz | |
109 | index $symlink..$new 120000 | |
110 | --- a/frotz | |
111 | +++ b/frotz | |
112 | @@ -1 +1 @@ | |
113 | -xyzzy | |
114 | \ No newline at end of file | |
115 | +yxyyz | |
116 | \ No newline at end of file | |
117 | diff --git a/nitfol b/nitfol | |
118 | index $symlink..$new 100644 | |
119 | --- a/nitfol | |
120 | +++ b/nitfol | |
121 | @@ -1 +1 @@ | |
122 | -xyzzy | |
123 | +yxyyz | |
124 | EOF | |
125 | rm -f frotz && | |
126 | if test_have_prereq SYMLINKS | |
127 | then | |
128 | ln -s yxyyz frotz | |
129 | else | |
130 | printf yxyyz >frotz | |
131 | # the symlink property propagates from the index | |
132 | fi && | |
133 | echo yxyyz >nitfol && | |
134 | git diff-index -M -p $tree >current && | |
135 | compare_diff_patch expected current | |
136 | ' | |
137 | ||
138 | test_expect_success SYMLINKS 'diff symlinks with non-existing targets' ' | |
139 | ln -s narf pinky && | |
140 | ln -s take\ over brain && | |
141 | test_must_fail git diff --no-index pinky brain >output 2>output.err && | |
142 | grep narf output && | |
143 | test_must_be_empty output.err | |
144 | ' | |
145 | ||
146 | test_expect_success SYMLINKS 'setup symlinks with attributes' ' | |
147 | echo "*.bin diff=bin" >>.gitattributes && | |
148 | echo content >file.bin && | |
149 | ln -s file.bin link.bin && | |
150 | git add -N file.bin link.bin | |
151 | ' | |
152 | ||
153 | test_expect_success SYMLINKS 'symlinks do not respect userdiff config by path' ' | |
154 | file=$(short_oid file.bin) && | |
155 | link=$(symlink_oid file.bin) && | |
156 | cat >expect <<-EOF && | |
157 | diff --git a/file.bin b/file.bin | |
158 | new file mode 100644 | |
159 | index 0000000..$file | |
160 | Binary files /dev/null and b/file.bin differ | |
161 | diff --git a/link.bin b/link.bin | |
162 | new file mode 120000 | |
163 | index 0000000..$link | |
164 | --- /dev/null | |
165 | +++ b/link.bin | |
166 | @@ -0,0 +1 @@ | |
167 | +file.bin | |
168 | \ No newline at end of file | |
169 | EOF | |
170 | git config diff.bin.binary true && | |
171 | git diff file.bin link.bin >actual && | |
172 | test_cmp expect actual | |
173 | ' | |
174 | ||
175 | test_done |