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. "$TEST_DIRECTORY"/diff-lib.sh
11
12cat > expected << EOF
13diff --git a/frotz b/frotz
14new file mode 120000
15index 0000000..7c465af
16--- /dev/null
17+++ b/frotz
18@@ -0,0 +1 @@
19+xyzzy
20\ No newline at end of file
21EOF
22
23test_expect_success \
24 'diff new symlink' \
25 'ln -s xyzzy frotz &&
26 git update-index &&
27 tree=$(git write-tree) &&
28 git update-index --add frotz &&
29 GIT_DIFF_OPTS=--unified=0 git diff-index -M -p $tree > current &&
30 compare_diff_patch current expected'
31
32test_expect_success \
33 'diff unchanged symlink' \
34 'tree=$(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 \
50 'diff removed symlink' \
51 'rm frotz &&
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 \
60 'diff identical, but newly created symlink' \
61 'sleep 3 &&
62 ln -s xyzzy frotz &&
63 git diff-index -M -p $tree > current &&
64 compare_diff_patch current expected'
65
66cat > expected << EOF
67diff --git a/frotz b/frotz
68index 7c465af..df1db54 120000
69--- a/frotz
70+++ b/frotz
71@@ -1 +1 @@
72-xyzzy
73\ No newline at end of file
74+yxyyz
75\ No newline at end of file
76EOF
77
78test_expect_success \
79 'diff different symlink' \
80 'rm frotz &&
81 ln -s yxyyz frotz &&
82 git diff-index -M -p $tree > current &&
83 compare_diff_patch current expected'
84
85test_expect_success \
86 'diff symlinks with non-existing targets' \
87 'ln -s narf pinky &&
88 ln -s take\ over brain &&
89 test_must_fail git diff --no-index pinky brain > output 2> output.err &&
90 grep narf output &&
91 ! grep error output.err'
92test_done