1#!/bin/sh
2
3test_description='Test merge without common ancestors'
4. ./test-lib.sh
5
6# This scenario is based on a real-world repository of Shawn Pearce.
7
8# 1 - A - D - F
9# \ X /
10# B X
11# X \
12# 2 - C - E - G
13
14GIT_COMMITTER_DATE="2006-12-12 23:28:00 +0100"
15export GIT_COMMITTER_DATE
16
17test_expect_success "setup tests" '
18echo 1 > a1 &&
19git add a1 &&
20GIT_AUTHOR_DATE="2006-12-12 23:00:00" git commit -m 1 a1 &&
21
22git checkout -b A master &&
23echo A > a1 &&
24GIT_AUTHOR_DATE="2006-12-12 23:00:01" git commit -m A a1 &&
25
26git checkout -b B master &&
27echo B > a1 &&
28GIT_AUTHOR_DATE="2006-12-12 23:00:02" git commit -m B a1 &&
29
30git checkout -b D A &&
31git rev-parse B > .git/MERGE_HEAD &&
32echo D > a1 &&
33git update-index a1 &&
34GIT_AUTHOR_DATE="2006-12-12 23:00:03" git commit -m D &&
35
36git symbolic-ref HEAD refs/heads/other &&
37echo 2 > a1 &&
38GIT_AUTHOR_DATE="2006-12-12 23:00:04" git commit -m 2 a1 &&
39
40git checkout -b C &&
41echo C > a1 &&
42GIT_AUTHOR_DATE="2006-12-12 23:00:05" git commit -m C a1 &&
43
44git checkout -b E C &&
45git rev-parse B > .git/MERGE_HEAD &&
46echo E > a1 &&
47git update-index a1 &&
48GIT_AUTHOR_DATE="2006-12-12 23:00:06" git commit -m E &&
49
50git checkout -b G E &&
51git rev-parse A > .git/MERGE_HEAD &&
52echo G > a1 &&
53git update-index a1 &&
54GIT_AUTHOR_DATE="2006-12-12 23:00:07" git commit -m G &&
55
56git checkout -b F D &&
57git rev-parse C > .git/MERGE_HEAD &&
58echo F > a1 &&
59git update-index a1 &&
60GIT_AUTHOR_DATE="2006-12-12 23:00:08" git commit -m F
61'
62
63test_expect_success "combined merge conflicts" "! git merge -m final G"
64
65cat > expect << EOF
66<<<<<<< HEAD:a1
67F
68=======
69G
70>>>>>>> G:a1
71EOF
72
73test_expect_success "result contains a conflict" "git diff expect a1"
74
75git ls-files --stage > out
76cat > expect << EOF
77100644 da056ce14a2241509897fa68bb2b3b6e6194ef9e 1 a1
78100644 cf84443e49e1b366fac938711ddf4be2d4d1d9e9 2 a1
79100644 fd7923529855d0b274795ae3349c5e0438333979 3 a1
80EOF
81
82test_expect_success "virtual trees were processed" "git diff expect out"
83
84test_expect_success 'refuse to merge binary files' '
85 git reset --hard &&
86 printf "\0" > binary-file &&
87 git add binary-file &&
88 git commit -m binary &&
89 git checkout G &&
90 printf "\0\0" > binary-file &&
91 git add binary-file &&
92 git commit -m binary2 &&
93 ! git merge F > merge.out 2> merge.err &&
94 grep "Cannot merge binary files: HEAD:binary-file vs. F:binary-file" \
95 merge.err
96'
97
98test_done