1#!/bin/sh
2#
3# Copyright (c) 2005 Johannes Schindelin
4#
5
6test_description='Test diff of symlinks.
7
8'
9. ./test-lib.sh
10. "$TEST_DIRECTORY"/diff-lib.sh
11
12cat > expected << EOF
13diff --git a/frotz b/frotz
14new file mode 120000
15index 0000000..7c465af
16--- /dev/null
17+++ b/frotz
18@@ -0,0 +1 @@
19+xyzzy
20\ No newline at end of file
21EOF
22
23test_expect_success SYMLINKS \
24 'diff new symlink' \
25 'ln -s xyzzy frotz &&
26 git update-index &&
27 tree=$(git write-tree) &&
28 git update-index --add frotz &&
29 GIT_DIFF_OPTS=--unified=0 git diff-index -M -p $tree > current &&
30 compare_diff_patch current expected'
31
32test_expect_success SYMLINKS \
33 'diff unchanged symlink' \
34 'tree=$(git write-tree) &&
35 git update-index frotz &&
36 test -z "$(git diff-index --name-only $tree)"'
37
38cat > expected << EOF
39diff --git a/frotz b/frotz
40deleted file mode 120000
41index 7c465af..0000000
42--- a/frotz
43+++ /dev/null
44@@ -1 +0,0 @@
45-xyzzy
46\ No newline at end of file
47EOF
48
49test_expect_success SYMLINKS \
50 'diff removed symlink' \
51 'mv frotz frotz2 &&
52 git diff-index -M -p $tree > current &&
53 compare_diff_patch current expected'
54
55cat > expected << EOF
56diff --git a/frotz b/frotz
57EOF
58
59test_expect_success SYMLINKS \
60 'diff identical, but newly created symlink' \
61 'ln -s xyzzy frotz &&
62 git diff-index -M -p $tree > current &&
63 compare_diff_patch current expected'
64
65cat > expected << EOF
66diff --git a/frotz b/frotz
67index 7c465af..df1db54 120000
68--- a/frotz
69+++ b/frotz
70@@ -1 +1 @@
71-xyzzy
72\ No newline at end of file
73+yxyyz
74\ No newline at end of file
75EOF
76
77test_expect_success SYMLINKS \
78 'diff different symlink' \
79 'rm frotz &&
80 ln -s yxyyz frotz &&
81 git diff-index -M -p $tree > current &&
82 compare_diff_patch current expected'
83
84test_expect_success SYMLINKS \
85 'diff symlinks with non-existing targets' \
86 'ln -s narf pinky &&
87 ln -s take\ over brain &&
88 test_must_fail git diff --no-index pinky brain > output 2> output.err &&
89 grep narf output &&
90 ! grep error output.err'
91
92test_expect_success SYMLINKS 'setup symlinks with attributes' '
93 echo "*.bin diff=bin" >>.gitattributes &&
94 echo content >file.bin &&
95 ln -s file.bin link.bin &&
96 git add -N file.bin link.bin
97'
98
99cat >expect <<'EOF'
100diff --git a/file.bin b/file.bin
101index e69de29..d95f3ad 100644
102Binary files a/file.bin and b/file.bin differ
103diff --git a/link.bin b/link.bin
104index e69de29..dce41ec 120000
105--- a/link.bin
106+++ b/link.bin
107@@ -0,0 +1 @@
108+file.bin
109\ No newline at end of file
110EOF
111test_expect_success SYMLINKS 'symlinks do not respect userdiff config by path' '
112 git config diff.bin.binary true &&
113 git diff file.bin link.bin >actual &&
114 test_cmp expect actual
115'
116
117test_done