1#!/bin/sh
2
3test_description='rewrite diff'
4
5. ./test-lib.sh
6
7test_expect_success setup '
8
9 cat "$TEST_DIRECTORY"/../COPYING >test &&
10 git add test &&
11 tr \
12 "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" \
13 "nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM" \
14 <"$TEST_DIRECTORY"/../COPYING >test &&
15 echo "to be deleted" >test2 &&
16 git add test2
17
18'
19
20test_expect_success 'detect rewrite' '
21
22 actual=$(git diff-files -B --summary test) &&
23 expr "$actual" : " rewrite test ([0-9]*%)$" || {
24 echo "Eh? <<$actual>>"
25 false
26 }
27
28'
29
30cat >expect <<EOF
31diff --git a/test2 b/test2
32deleted file mode 100644
33index 4202011..0000000
34--- a/test2
35+++ /dev/null
36@@ -1 +0,0 @@
37-to be deleted
38EOF
39test_expect_success 'show deletion diff without -D' '
40
41 rm test2 &&
42 git diff -- test2 >actual &&
43 test_cmp expect actual
44'
45
46cat >expect <<EOF
47diff --git a/test2 b/test2
48deleted file mode 100644
49index 4202011..0000000
50EOF
51test_expect_success 'suppress deletion diff with -D' '
52
53 git diff -D -- test2 >actual &&
54 test_cmp expect actual
55'
56
57test_expect_success 'show deletion diff with -B' '
58
59 git diff -B -- test >actual &&
60 grep "Linus Torvalds" actual
61'
62
63test_expect_success 'suppress deletion diff with -B -D' '
64
65 git diff -B -D -- test >actual &&
66 grep -v "Linus Torvalds" actual
67'
68
69test_done
70