1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
#!/bin/sh
test_description='Test merge without common ancestors'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
# This scenario is based on a real-world repository of Shawn Pearce.
# 1 - A - D - F
# \ X /
# B X
# X \
# 2 - C - E - G
GIT_COMMITTER_DATE="2006-12-12 23:28:00 +0100"
export GIT_COMMITTER_DATE
test_expect_success 'setup tests' '
GIT_TEST_COMMIT_GRAPH=0 &&
export GIT_TEST_COMMIT_GRAPH &&
echo 1 >a1 &&
git add a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:00" git commit -m 1 a1 &&
git checkout -b A main &&
echo A >a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:01" git commit -m A a1 &&
git checkout -b B main &&
echo B >a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:02" git commit -m B a1 &&
git checkout -b D A &&
git rev-parse B >.git/MERGE_HEAD &&
echo D >a1 &&
git update-index a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:03" git commit -m D &&
git symbolic-ref HEAD refs/heads/other &&
echo 2 >a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:04" git commit -m 2 a1 &&
git checkout -b C &&
echo C >a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:05" git commit -m C a1 &&
git checkout -b E C &&
git rev-parse B >.git/MERGE_HEAD &&
echo E >a1 &&
git update-index a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:06" git commit -m E &&
git checkout -b G E &&
git rev-parse A >.git/MERGE_HEAD &&
echo G >a1 &&
git update-index a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:07" git commit -m G &&
git checkout -b F D &&
git rev-parse C >.git/MERGE_HEAD &&
echo F >a1 &&
git update-index a1 &&
GIT_AUTHOR_DATE="2006-12-12 23:00:08" git commit -m F &&
test_oid_cache <<-EOF
idxstage1 sha1:ec3fe2a791706733f2d8fa7ad45d9a9672031f5e
idxstage1 sha256:b3c8488929903aaebdeb22270cb6d36e5b8724b01ae0d4da24632f158c99676f
EOF
'
test_expect_success 'combined merge conflicts' '
test_must_fail git merge -m final G
'
test_expect_success 'result contains a conflict' '
cat >expect <<-\EOF &&
<<<<<<< HEAD
F
=======
G
>>>>>>> G
EOF
test_cmp expect a1
'
test_expect_success 'virtual trees were processed' '
# TODO: fragile test, relies on ambiguous merge-base resolution
git ls-files --stage >out &&
cat >expect <<-EOF &&
100644 $(test_oid idxstage1) 1 a1
100644 $(git rev-parse F:a1) 2 a1
100644 $(git rev-parse G:a1) 3 a1
EOF
test_cmp expect out
'
test_expect_success 'refuse to merge binary files' '
git reset --hard &&
printf "\0" >binary-file &&
git add binary-file &&
git commit -m binary &&
git checkout G &&
printf "\0\0" >binary-file &&
git add binary-file &&
git commit -m binary2 &&
test_must_fail git merge F >merge_output &&
grep "Cannot merge binary files: binary-file (HEAD vs. F)" merge_output
'
test_expect_success 'mark rename/delete as unmerged' '
git reset --hard &&
git checkout -b delete &&
git rm a1 &&
test_tick &&
git commit -m delete &&
git checkout -b rename HEAD^ &&
git mv a1 a2 &&
test_tick &&
git commit -m rename &&
test_must_fail git merge delete &&
test 2 = $(git ls-files --unmerged | wc -l) &&
git rev-parse --verify :2:a2 &&
test_must_fail git rev-parse --verify :3:a2 &&
git checkout -f delete &&
test_must_fail git merge rename &&
test 2 = $(git ls-files --unmerged | wc -l) &&
test_must_fail git rev-parse --verify :2:a2 &&
git rev-parse --verify :3:a2
'
test_done
|
