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1#!/bin/sh
2
3test_description='test diff with a bogus tree containing the null sha1'
4
5. ./test-lib.sh
6
7test_expect_success 'create bogus tree' '
8 name=$(echo $ZERO_OID | sed -e "s/00/Q/g") &&
9 bogus_tree=$(
10 printf "100644 fooQ$name" |
11 q_to_nul |
12 git hash-object --literally -w --stdin -t tree
13 )
14'
15
16test_expect_success 'create tree with matching file' '
17 echo bar >foo &&
18 git add foo &&
19 good_tree=$(git write-tree) &&
20 blob=$(git rev-parse :foo)
21'
22
23test_expect_success 'raw diff shows null sha1 (addition)' '
24 echo ":000000 100644 $ZERO_OID $ZERO_OID A foo" >expect &&
25 git diff-tree $EMPTY_TREE $bogus_tree >actual &&
26 test_cmp expect actual
27'
28
29test_expect_success 'raw diff shows null sha1 (removal)' '
30 echo ":100644 000000 $ZERO_OID $ZERO_OID D foo" >expect &&
31 git diff-tree $bogus_tree $EMPTY_TREE >actual &&
32 test_cmp expect actual
33'
34
35test_expect_success 'raw diff shows null sha1 (modification)' '
36 echo ":100644 100644 $blob $ZERO_OID M foo" >expect &&
37 git diff-tree $good_tree $bogus_tree >actual &&
38 test_cmp expect actual
39'
40
41test_expect_success 'raw diff shows null sha1 (other direction)' '
42 echo ":100644 100644 $ZERO_OID $blob M foo" >expect &&
43 git diff-tree $bogus_tree $good_tree >actual &&
44 test_cmp expect actual
45'
46
47test_expect_success 'raw diff shows null sha1 (reverse)' '
48 echo ":100644 100644 $ZERO_OID $blob M foo" >expect &&
49 git diff-tree -R $good_tree $bogus_tree >actual &&
50 test_cmp expect actual
51'
52
53test_expect_success 'raw diff shows null sha1 (index)' '
54 echo ":100644 100644 $ZERO_OID $blob M foo" >expect &&
55 git diff-index $bogus_tree >actual &&
56 test_cmp expect actual
57'
58
59test_expect_success 'patch fails due to bogus sha1 (addition)' '
60 test_must_fail git diff-tree -p $EMPTY_TREE $bogus_tree
61'
62
63test_expect_success 'patch fails due to bogus sha1 (removal)' '
64 test_must_fail git diff-tree -p $bogus_tree $EMPTY_TREE
65'
66
67test_expect_success 'patch fails due to bogus sha1 (modification)' '
68 test_must_fail git diff-tree -p $good_tree $bogus_tree
69'
70
71test_expect_success 'patch fails due to bogus sha1 (other direction)' '
72 test_must_fail git diff-tree -p $bogus_tree $good_tree
73'
74
75test_expect_success 'patch fails due to bogus sha1 (reverse)' '
76 test_must_fail git diff-tree -R -p $good_tree $bogus_tree
77'
78
79test_expect_success 'patch fails due to bogus sha1 (index)' '
80 test_must_fail git diff-index -p $bogus_tree
81'
82
83test_done