1 #!/bin/sh
2 #
3 # Copyright (c) 2005 Johannes Schindelin
4 #
6 test_description='Test diff of symlinks.
8 '
9 . ./test-lib.sh
10 . "$TEST_DIRECTORY"/diff-lib.sh
12 if ! test_have_prereq SYMLINKS
13 then
14 skip_all='Symbolic links not supported, skipping tests.'
15 test_done
16 fi
18 cat > expected << EOF
19 diff --git a/frotz b/frotz
20 new file mode 120000
21 index 0000000..7c465af
22 --- /dev/null
23 +++ b/frotz
24 @@ -0,0 +1 @@
25 +xyzzy
26 \ No newline at end of file
27 EOF
29 test_expect_success \
30 'diff new symlink' \
31 'ln -s xyzzy frotz &&
32 git update-index &&
33 tree=$(git write-tree) &&
34 git update-index --add frotz &&
35 GIT_DIFF_OPTS=--unified=0 git diff-index -M -p $tree > current &&
36 compare_diff_patch current expected'
38 test_expect_success \
39 'diff unchanged symlink' \
40 'tree=$(git write-tree) &&
41 git update-index frotz &&
42 test -z "$(git diff-index --name-only $tree)"'
44 cat > expected << EOF
45 diff --git a/frotz b/frotz
46 deleted file mode 120000
47 index 7c465af..0000000
48 --- a/frotz
49 +++ /dev/null
50 @@ -1 +0,0 @@
51 -xyzzy
52 \ No newline at end of file
53 EOF
55 test_expect_success \
56 'diff removed symlink' \
57 'mv frotz frotz2 &&
58 git diff-index -M -p $tree > current &&
59 compare_diff_patch current expected'
61 cat > expected << EOF
62 diff --git a/frotz b/frotz
63 EOF
65 test_expect_success \
66 'diff identical, but newly created symlink' \
67 'ln -s xyzzy frotz &&
68 git diff-index -M -p $tree > current &&
69 compare_diff_patch current expected'
71 cat > expected << EOF
72 diff --git a/frotz b/frotz
73 index 7c465af..df1db54 120000
74 --- a/frotz
75 +++ b/frotz
76 @@ -1 +1 @@
77 -xyzzy
78 \ No newline at end of file
79 +yxyyz
80 \ No newline at end of file
81 EOF
83 test_expect_success \
84 'diff different symlink' \
85 'rm frotz &&
86 ln -s yxyyz frotz &&
87 git diff-index -M -p $tree > current &&
88 compare_diff_patch current expected'
90 test_expect_success \
91 'diff symlinks with non-existing targets' \
92 'ln -s narf pinky &&
93 ln -s take\ over brain &&
94 test_must_fail git diff --no-index pinky brain > output 2> output.err &&
95 grep narf output &&
96 ! grep error output.err'
98 test_expect_success SYMLINKS 'setup symlinks with attributes' '
99 echo "*.bin diff=bin" >>.gitattributes &&
100 echo content >file.bin &&
101 ln -s file.bin link.bin &&
102 git add -N file.bin link.bin
103 '
105 cat >expect <<'EOF'
106 diff --git a/file.bin b/file.bin
107 index e69de29..d95f3ad 100644
108 Binary files a/file.bin and b/file.bin differ
109 diff --git a/link.bin b/link.bin
110 index e69de29..dce41ec 120000
111 --- a/link.bin
112 +++ b/link.bin
113 @@ -0,0 +1 @@
114 +file.bin
115 \ No newline at end of file
116 EOF
117 test_expect_success SYMLINKS 'symlinks do not respect userdiff config by path' '
118 git config diff.bin.binary true &&
119 git diff file.bin link.bin >actual &&
120 test_cmp expect actual
121 '
123 test_done