t3507: introduce pristine-detach helper
[git/git.git] / t / t3507-cherry-pick-conflict.sh
1 #!/bin/sh
2
3 test_description='test cherry-pick and revert with conflicts
4
5 -
6 + picked: rewrites foo to c
7 + base: rewrites foo to b
8 + initial: writes foo as a, unrelated as unrelated
9
10 '
11
12 . ./test-lib.sh
13
14 test_cmp_rev () {
15 git rev-parse --verify "$1" >expect.rev &&
16 git rev-parse --verify "$2" >actual.rev &&
17 test_cmp expect.rev actual.rev
18 }
19
20 pristine_detach () {
21 git checkout -f "$1^0" &&
22 git read-tree -u --reset HEAD &&
23 git clean -d -f -f -q -x
24 }
25
26 test_expect_success setup '
27
28 echo unrelated >unrelated &&
29 git add unrelated &&
30 test_commit initial foo a &&
31 test_commit base foo b &&
32 test_commit picked foo c &&
33 git config advice.detachedhead false
34
35 '
36
37 test_expect_success 'failed cherry-pick does not advance HEAD' '
38 pristine_detach initial &&
39
40 head=$(git rev-parse HEAD) &&
41 test_must_fail git cherry-pick picked &&
42 newhead=$(git rev-parse HEAD) &&
43
44 test "$head" = "$newhead"
45 '
46
47 test_expect_success 'advice from failed cherry-pick' "
48 pristine_detach initial &&
49
50 picked=\$(git rev-parse --short picked) &&
51 cat <<-EOF >expected &&
52 error: could not apply \$picked... picked
53 hint: after resolving the conflicts, mark the corrected paths
54 hint: with 'git add <paths>' or 'git rm <paths>'
55 hint: and commit the result with 'git commit -c \$picked'
56 EOF
57 test_must_fail git cherry-pick picked 2>actual &&
58
59 test_cmp expected actual
60 "
61
62 test_expect_success 'failed cherry-pick produces dirty index' '
63 pristine_detach initial &&
64
65 test_must_fail git cherry-pick picked &&
66
67 test_must_fail git update-index --refresh -q &&
68 test_must_fail git diff-index --exit-code HEAD
69 '
70
71 test_expect_success 'failed cherry-pick registers participants in index' '
72 pristine_detach initial &&
73 {
74 git checkout base -- foo &&
75 git ls-files --stage foo &&
76 git checkout initial -- foo &&
77 git ls-files --stage foo &&
78 git checkout picked -- foo &&
79 git ls-files --stage foo
80 } > stages &&
81 sed "
82 1 s/ 0 / 1 /
83 2 s/ 0 / 2 /
84 3 s/ 0 / 3 /
85 " < stages > expected &&
86 git read-tree -u --reset HEAD &&
87
88 test_must_fail git cherry-pick picked &&
89 git ls-files --stage --unmerged > actual &&
90
91 test_cmp expected actual
92 '
93
94 test_expect_success 'failed cherry-pick describes conflict in work tree' '
95 pristine_detach initial &&
96 cat <<-EOF > expected &&
97 <<<<<<< HEAD
98 a
99 =======
100 c
101 >>>>>>> objid picked
102 EOF
103
104 test_must_fail git cherry-pick picked &&
105
106 sed "s/[a-f0-9]*\.\.\./objid/" foo > actual &&
107 test_cmp expected actual
108 '
109
110 test_expect_success 'diff3 -m style' '
111 pristine_detach initial &&
112 git config merge.conflictstyle diff3 &&
113 cat <<-EOF > expected &&
114 <<<<<<< HEAD
115 a
116 ||||||| parent of objid picked
117 b
118 =======
119 c
120 >>>>>>> objid picked
121 EOF
122
123 test_must_fail git cherry-pick picked &&
124
125 sed "s/[a-f0-9]*\.\.\./objid/" foo > actual &&
126 test_cmp expected actual
127 '
128
129 test_expect_success 'revert also handles conflicts sanely' '
130 git config --unset merge.conflictstyle &&
131 pristine_detach initial &&
132 cat <<-EOF > expected &&
133 <<<<<<< HEAD
134 a
135 =======
136 b
137 >>>>>>> parent of objid picked
138 EOF
139 {
140 git checkout picked -- foo &&
141 git ls-files --stage foo &&
142 git checkout initial -- foo &&
143 git ls-files --stage foo &&
144 git checkout base -- foo &&
145 git ls-files --stage foo
146 } > stages &&
147 sed "
148 1 s/ 0 / 1 /
149 2 s/ 0 / 2 /
150 3 s/ 0 / 3 /
151 " < stages > expected-stages &&
152 git read-tree -u --reset HEAD &&
153
154 head=$(git rev-parse HEAD) &&
155 test_must_fail git revert picked &&
156 newhead=$(git rev-parse HEAD) &&
157 git ls-files --stage --unmerged > actual-stages &&
158
159 test "$head" = "$newhead" &&
160 test_must_fail git update-index --refresh -q &&
161 test_must_fail git diff-index --exit-code HEAD &&
162 test_cmp expected-stages actual-stages &&
163 sed "s/[a-f0-9]*\.\.\./objid/" foo > actual &&
164 test_cmp expected actual
165 '
166
167 test_expect_success 'revert conflict, diff3 -m style' '
168 pristine_detach initial &&
169 git config merge.conflictstyle diff3 &&
170 cat <<-EOF > expected &&
171 <<<<<<< HEAD
172 a
173 ||||||| objid picked
174 c
175 =======
176 b
177 >>>>>>> parent of objid picked
178 EOF
179
180 test_must_fail git revert picked &&
181
182 sed "s/[a-f0-9]*\.\.\./objid/" foo > actual &&
183 test_cmp expected actual
184 '
185
186 test_done