1#!/bin/sh
2#
3# Copyright(C) 2008 Stephen Habermann & Andreas Ericsson
4#
5test_description='git rebase -p should preserve merges
6
7Run "git rebase -p" and check that merges are properly carried along
8'
9. ./test-lib.sh
10
11GIT_AUTHOR_EMAIL=bogus_email_address
12export GIT_AUTHOR_EMAIL
13
14# Clone 1 (trivial merge):
15#
16# A1--A2 <-- origin/master
17# \ \
18# B1--M <-- topic
19# \
20# B2 <-- origin/topic
21#
22# Clone 2 (conflicting merge):
23#
24# A1--A2--B3 <-- origin/master
25# \ \
26# B1------M <-- topic
27# \
28# B2 <-- origin/topic
29#
30# Clone 3 (no-ff merge):
31#
32# A1--A2--B3 <-- origin/master
33# \
34# B1------M <-- topic
35# \ /
36# \--A3 <-- topic2
37# \
38# B2 <-- origin/topic
39#
40# Clone 4 (merge using second parent as base):
41#
42# A1--A2--B3 <-- origin/master
43# \
44# B1--A3--M <-- topic
45# \ /
46# \--A4 <-- topic2
47# \
48# B2 <-- origin/topic
49
50test_expect_success 'setup for merge-preserving rebase' \
51 'echo First > A &&
52 git add A &&
53 git commit -m "Add A1" &&
54 git checkout -b topic &&
55 echo Second > B &&
56 git add B &&
57 git commit -m "Add B1" &&
58 git checkout -f master &&
59 echo Third >> A &&
60 git commit -a -m "Modify A2" &&
61
62 git clone ./. clone1 &&
63 (cd clone1 &&
64 git checkout -b topic origin/topic &&
65 git merge origin/master
66 ) &&
67
68 git clone ./. clone4 &&
69 (
70 cd clone4 &&
71 git checkout -b topic origin/topic &&
72 git merge origin/master
73 ) &&
74
75 echo Fifth > B &&
76 git add B &&
77 git commit -m "Add different B" &&
78
79 git clone ./. clone2 &&
80 (
81 cd clone2 &&
82 git checkout -b topic origin/topic &&
83 test_must_fail git merge origin/master &&
84 echo Resolved >B &&
85 git add B &&
86 git commit -m "Merge origin/master into topic"
87 ) &&
88
89 git clone ./. clone3 &&
90 (
91 cd clone3 &&
92 git checkout -b topic2 origin/topic &&
93 echo Sixth > A &&
94 git commit -a -m "Modify A3" &&
95 git checkout -b topic origin/topic &&
96 git merge --no-ff topic2
97 ) &&
98
99 git checkout topic &&
100 echo Fourth >> B &&
101 git commit -a -m "Modify B2"
102'
103
104test_expect_success 'rebase -p fakes interactive rebase' '
105 (
106 cd clone1 &&
107 git fetch &&
108 git rebase -p origin/topic &&
109 test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) &&
110 test 1 = $(git rev-list --all --pretty=oneline | grep "Merge remote-tracking branch " | wc -l)
111 )
112'
113
114test_expect_success '--continue works after a conflict' '
115 (
116 cd clone2 &&
117 git fetch &&
118 test_must_fail git rebase -p origin/topic &&
119 test 2 = $(git ls-files B | wc -l) &&
120 echo Resolved again > B &&
121 test_must_fail git rebase --continue &&
122 grep "^@@@ " .git/rebase-merge/patch &&
123 git add B &&
124 git rebase --continue &&
125 test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) &&
126 test 1 = $(git rev-list --all --pretty=oneline | grep "Add different" | wc -l) &&
127 test 1 = $(git rev-list --all --pretty=oneline | grep "Merge origin" | wc -l)
128 )
129'
130
131test_expect_success 'rebase -p preserves no-ff merges' '
132 (
133 cd clone3 &&
134 git fetch &&
135 git rebase -p origin/topic &&
136 test 3 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) &&
137 test 1 = $(git rev-list --all --pretty=oneline | grep "Merge branch" | wc -l)
138 )
139'
140
141test_expect_success 'rebase -p works when base inside second parent' '
142 (
143 cd clone4 &&
144 git fetch &&
145 git rebase -p HEAD^2 &&
146 test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) &&
147 test 1 = $(git rev-list --all --pretty=oneline | grep "Modify B" | wc -l) &&
148 test 1 = $(git rev-list --all --pretty=oneline | grep "Merge remote-tracking branch " | wc -l)
149 )
150'
151
152test_done