t6044: recursive can silently incorporate dirty changes in a merge
[git/git.git] / t / t6044-merge-unrelated-index-changes.sh
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1#!/bin/sh
2
3test_description="merges with unrelated index changes"
4
5. ./test-lib.sh
6
7# Testcase for some simple merges
8# A
eab3f285 9# o-------o B
a6ee883b 10# \
eab3f285 11# \-----o C
a6ee883b 12# \
eab3f285 13# \---o D
a6ee883b 14# \
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15# \-o E
16# \
17# o F
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18# Commit A: some file a
19# Commit B: adds file b, modifies end of a
20# Commit C: adds file c
21# Commit D: adds file d, modifies beginning of a
22# Commit E: renames a->subdir/a, adds subdir/e
eab3f285 23# Commit F: empty commit
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24
25test_expect_success 'setup trivial merges' '
3f215b03 26 test_seq 1 10 >a &&
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27 git add a &&
28 test_tick && git commit -m A &&
29
30 git branch A &&
31 git branch B &&
32 git branch C &&
33 git branch D &&
34 git branch E &&
eab3f285 35 git branch F &&
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36
37 git checkout B &&
38 echo b >b &&
39 echo 11 >>a &&
40 git add a b &&
41 test_tick && git commit -m B &&
42
43 git checkout C &&
44 echo c >c &&
45 git add c &&
46 test_tick && git commit -m C &&
47
48 git checkout D &&
3f215b03 49 test_seq 2 10 >a &&
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50 echo d >d &&
51 git add a d &&
52 test_tick && git commit -m D &&
53
54 git checkout E &&
55 mkdir subdir &&
56 git mv a subdir/a &&
57 echo e >subdir/e &&
58 git add subdir &&
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59 test_tick && git commit -m E &&
60
61 git checkout F &&
62 test_tick && git commit --allow-empty -m F
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63'
64
65test_expect_success 'ff update' '
66 git reset --hard &&
67 git checkout A^0 &&
68
69 touch random_file && git add random_file &&
70
71 git merge E^0 &&
72
73 test_must_fail git rev-parse HEAD:random_file &&
74 test "$(git diff --name-only --cached E)" = "random_file"
75'
76
77test_expect_success 'ff update, important file modified' '
78 git reset --hard &&
79 git checkout A^0 &&
80
81 mkdir subdir &&
82 touch subdir/e &&
83 git add subdir/e &&
84
85 test_must_fail git merge E^0
86'
87
88test_expect_success 'resolve, trivial' '
89 git reset --hard &&
90 git checkout B^0 &&
91
92 touch random_file && git add random_file &&
93
94 test_must_fail git merge -s resolve C^0
95'
96
97test_expect_success 'resolve, non-trivial' '
98 git reset --hard &&
99 git checkout B^0 &&
100
101 touch random_file && git add random_file &&
102
103 test_must_fail git merge -s resolve D^0
104'
105
106test_expect_success 'recursive' '
107 git reset --hard &&
108 git checkout B^0 &&
109
110 touch random_file && git add random_file &&
111
112 test_must_fail git merge -s recursive C^0
113'
114
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115test_expect_failure 'recursive, when merge branch matches merge base' '
116 git reset --hard &&
117 git checkout B^0 &&
118
119 touch random_file && git add random_file &&
120
121 test_must_fail git merge -s recursive F^0
122'
123
3ec62ad9 124test_expect_success 'octopus, unrelated file touched' '
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125 git reset --hard &&
126 git checkout B^0 &&
127
128 touch random_file && git add random_file &&
129
130 test_must_fail git merge C^0 D^0
131'
132
3ec62ad9 133test_expect_success 'octopus, related file removed' '
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134 git reset --hard &&
135 git checkout B^0 &&
136
137 git rm b &&
138
139 test_must_fail git merge C^0 D^0
140'
141
3ec62ad9 142test_expect_success 'octopus, related file modified' '
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143 git reset --hard &&
144 git checkout B^0 &&
145
146 echo 12 >>a && git add a &&
147
148 test_must_fail git merge C^0 D^0
149'
150
151test_expect_success 'ours' '
152 git reset --hard &&
153 git checkout B^0 &&
154
155 touch random_file && git add random_file &&
156
157 test_must_fail git merge -s ours C^0
158'
159
160test_expect_success 'subtree' '
161 git reset --hard &&
162 git checkout B^0 &&
163
164 touch random_file && git add random_file &&
165
166 test_must_fail git merge -s subtree E^0
167'
168
169test_done