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Commit | Line | Data |
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1 | #!/bin/sh | |
2 | ||
3 | test_description='Test merge without common ancestors' | |
4 | GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main | |
5 | export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME | |
6 | ||
7 | . ./test-lib.sh | |
8 | ||
9 | # This scenario is based on a real-world repository of Shawn Pearce. | |
10 | ||
11 | # 1 - A - D - F | |
12 | # \ X / | |
13 | # B X | |
14 | # X \ | |
15 | # 2 - C - E - G | |
16 | ||
17 | GIT_COMMITTER_DATE="2006-12-12 23:28:00 +0100" | |
18 | export GIT_COMMITTER_DATE | |
19 | ||
20 | test_expect_success 'setup tests' ' | |
21 | GIT_TEST_COMMIT_GRAPH=0 && | |
22 | export GIT_TEST_COMMIT_GRAPH && | |
23 | echo 1 >a1 && | |
24 | git add a1 && | |
25 | GIT_AUTHOR_DATE="2006-12-12 23:00:00" git commit -m 1 a1 && | |
26 | ||
27 | git checkout -b A main && | |
28 | echo A >a1 && | |
29 | GIT_AUTHOR_DATE="2006-12-12 23:00:01" git commit -m A a1 && | |
30 | ||
31 | git checkout -b B main && | |
32 | echo B >a1 && | |
33 | GIT_AUTHOR_DATE="2006-12-12 23:00:02" git commit -m B a1 && | |
34 | ||
35 | git checkout -b D A && | |
36 | git rev-parse B >.git/MERGE_HEAD && | |
37 | echo D >a1 && | |
38 | git update-index a1 && | |
39 | GIT_AUTHOR_DATE="2006-12-12 23:00:03" git commit -m D && | |
40 | ||
41 | git symbolic-ref HEAD refs/heads/other && | |
42 | echo 2 >a1 && | |
43 | GIT_AUTHOR_DATE="2006-12-12 23:00:04" git commit -m 2 a1 && | |
44 | ||
45 | git checkout -b C && | |
46 | echo C >a1 && | |
47 | GIT_AUTHOR_DATE="2006-12-12 23:00:05" git commit -m C a1 && | |
48 | ||
49 | git checkout -b E C && | |
50 | git rev-parse B >.git/MERGE_HEAD && | |
51 | echo E >a1 && | |
52 | git update-index a1 && | |
53 | GIT_AUTHOR_DATE="2006-12-12 23:00:06" git commit -m E && | |
54 | ||
55 | git checkout -b G E && | |
56 | git rev-parse A >.git/MERGE_HEAD && | |
57 | echo G >a1 && | |
58 | git update-index a1 && | |
59 | GIT_AUTHOR_DATE="2006-12-12 23:00:07" git commit -m G && | |
60 | ||
61 | git checkout -b F D && | |
62 | git rev-parse C >.git/MERGE_HEAD && | |
63 | echo F >a1 && | |
64 | git update-index a1 && | |
65 | GIT_AUTHOR_DATE="2006-12-12 23:00:08" git commit -m F && | |
66 | ||
67 | test_oid_cache <<-EOF | |
68 | idxstage1 sha1:ec3fe2a791706733f2d8fa7ad45d9a9672031f5e | |
69 | idxstage1 sha256:b3c8488929903aaebdeb22270cb6d36e5b8724b01ae0d4da24632f158c99676f | |
70 | EOF | |
71 | ' | |
72 | ||
73 | test_expect_success 'combined merge conflicts' ' | |
74 | test_must_fail git merge -m final G | |
75 | ' | |
76 | ||
77 | test_expect_success 'result contains a conflict' ' | |
78 | cat >expect <<-\EOF && | |
79 | <<<<<<< HEAD | |
80 | F | |
81 | ======= | |
82 | G | |
83 | >>>>>>> G | |
84 | EOF | |
85 | ||
86 | test_cmp expect a1 | |
87 | ' | |
88 | ||
89 | test_expect_success 'virtual trees were processed' ' | |
90 | # TODO: fragile test, relies on ambigious merge-base resolution | |
91 | git ls-files --stage >out && | |
92 | ||
93 | cat >expect <<-EOF && | |
94 | 100644 $(test_oid idxstage1) 1 a1 | |
95 | 100644 $(git rev-parse F:a1) 2 a1 | |
96 | 100644 $(git rev-parse G:a1) 3 a1 | |
97 | EOF | |
98 | ||
99 | test_cmp expect out | |
100 | ' | |
101 | ||
102 | test_expect_success 'refuse to merge binary files' ' | |
103 | git reset --hard && | |
104 | printf "\0" >binary-file && | |
105 | git add binary-file && | |
106 | git commit -m binary && | |
107 | git checkout G && | |
108 | printf "\0\0" >binary-file && | |
109 | git add binary-file && | |
110 | git commit -m binary2 && | |
111 | test_must_fail git merge F >merge.out 2>merge.err && | |
112 | grep "Cannot merge binary files: binary-file (HEAD vs. F)" merge.err | |
113 | ' | |
114 | ||
115 | test_expect_success 'mark rename/delete as unmerged' ' | |
116 | ||
117 | git reset --hard && | |
118 | git checkout -b delete && | |
119 | git rm a1 && | |
120 | test_tick && | |
121 | git commit -m delete && | |
122 | git checkout -b rename HEAD^ && | |
123 | git mv a1 a2 && | |
124 | test_tick && | |
125 | git commit -m rename && | |
126 | test_must_fail git merge delete && | |
127 | if test "$GIT_TEST_MERGE_ALGORITHM" = ort | |
128 | then | |
129 | test 2 = $(git ls-files --unmerged | wc -l) | |
130 | else | |
131 | test 1 = $(git ls-files --unmerged | wc -l) | |
132 | fi && | |
133 | git rev-parse --verify :2:a2 && | |
134 | test_must_fail git rev-parse --verify :3:a2 && | |
135 | git checkout -f delete && | |
136 | test_must_fail git merge rename && | |
137 | if test "$GIT_TEST_MERGE_ALGORITHM" = ort | |
138 | then | |
139 | test 2 = $(git ls-files --unmerged | wc -l) | |
140 | else | |
141 | test 1 = $(git ls-files --unmerged | wc -l) | |
142 | fi && | |
143 | test_must_fail git rev-parse --verify :2:a2 && | |
144 | git rev-parse --verify :3:a2 | |
145 | ' | |
146 | ||
147 | test_done |