Merge branch 'js/maint-am-rebase-invalid-author'
[git/git.git] / t / t3400-rebase.sh
1 #!/bin/sh
2 #
3 # Copyright (c) 2005 Amos Waterland
4 #
5
6 test_description='git rebase assorted tests
7
8 This test runs git rebase and checks that the author information is not lost
9 among other things.
10 '
11 . ./test-lib.sh
12
13 GIT_AUTHOR_NAME=author@name
14 GIT_AUTHOR_EMAIL=bogus@email@address
15 export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
16
17 test_expect_success \
18 'prepare repository with topic branches' \
19 'git config core.logAllRefUpdates true &&
20 echo First > A &&
21 git update-index --add A &&
22 git commit -m "Add A." &&
23 git checkout -b my-topic-branch &&
24 echo Second > B &&
25 git update-index --add B &&
26 git commit -m "Add B." &&
27 git checkout -f master &&
28 echo Third >> A &&
29 git update-index A &&
30 git commit -m "Modify A." &&
31 git checkout -b side my-topic-branch &&
32 echo Side >> C &&
33 git add C &&
34 git commit -m "Add C" &&
35 git checkout -b nonlinear my-topic-branch &&
36 echo Edit >> B &&
37 git add B &&
38 git commit -m "Modify B" &&
39 git merge side &&
40 git checkout -b upstream-merged-nonlinear &&
41 git merge master &&
42 git checkout -f my-topic-branch &&
43 git tag topic
44 '
45
46 test_expect_success 'rebase on dirty worktree' '
47 echo dirty >> A &&
48 test_must_fail git rebase master'
49
50 test_expect_success 'rebase on dirty cache' '
51 git add A &&
52 test_must_fail git rebase master'
53
54 test_expect_success 'rebase against master' '
55 git reset --hard HEAD &&
56 git rebase master'
57
58 test_expect_success 'rebase against master twice' '
59 git rebase master >out &&
60 grep "Current branch my-topic-branch is up to date" out
61 '
62
63 test_expect_success 'rebase against master twice with --force' '
64 git rebase --force-rebase master >out &&
65 grep "Current branch my-topic-branch is up to date, rebase forced" out
66 '
67
68 test_expect_success 'rebase against master twice from another branch' '
69 git checkout my-topic-branch^ &&
70 git rebase master my-topic-branch >out &&
71 grep "Current branch my-topic-branch is up to date" out
72 '
73
74 test_expect_success 'rebase fast-forward to master' '
75 git checkout my-topic-branch^ &&
76 git rebase my-topic-branch >out &&
77 grep "Fast-forwarded HEAD to my-topic-branch" out
78 '
79
80 test_expect_success \
81 'the rebase operation should not have destroyed author information' \
82 '! (git log | grep "Author:" | grep "<>")'
83
84 test_expect_success \
85 'the rebase operation should not have destroyed author information (2)' \
86 "git log -1 | grep 'Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>'"
87
88 test_expect_success 'HEAD was detached during rebase' '
89 test $(git rev-parse HEAD@{1}) != $(git rev-parse my-topic-branch@{1})
90 '
91
92 test_expect_success 'rebase after merge master' '
93 git reset --hard topic &&
94 git merge master &&
95 git rebase master &&
96 ! (git show | grep "^Merge:")
97 '
98
99 test_expect_success 'rebase of history with merges is linearized' '
100 git checkout nonlinear &&
101 test 4 = $(git rev-list master.. | wc -l) &&
102 git rebase master &&
103 test 3 = $(git rev-list master.. | wc -l)
104 '
105
106 test_expect_success \
107 'rebase of history with merges after upstream merge is linearized' '
108 git checkout upstream-merged-nonlinear &&
109 test 5 = $(git rev-list master.. | wc -l) &&
110 git rebase master &&
111 test 3 = $(git rev-list master.. | wc -l)
112 '
113
114 test_expect_success 'rebase a single mode change' '
115 git checkout master &&
116 echo 1 > X &&
117 git add X &&
118 test_tick &&
119 git commit -m prepare &&
120 git checkout -b modechange HEAD^ &&
121 echo 1 > X &&
122 git add X &&
123 test_chmod +x A &&
124 test_tick &&
125 git commit -m modechange &&
126 GIT_TRACE=1 git rebase master
127 '
128
129 test_expect_success 'Show verbose error when HEAD could not be detached' '
130 : > B &&
131 test_must_fail git rebase topic 2> output.err > output.out &&
132 grep "Untracked working tree file .B. would be overwritten" output.err
133 '
134 rm -f B
135
136 test_expect_success 'dump usage when upstream arg is missing' '
137 git checkout -b usage topic &&
138 test_must_fail git rebase 2>error1 &&
139 grep "[Uu]sage" error1 &&
140 test_must_fail git rebase --abort 2>error2 &&
141 grep "No rebase in progress" error2 &&
142 test_must_fail git rebase --onto master 2>error3 &&
143 grep "[Uu]sage" error3 &&
144 ! grep "can.t shift" error3
145 '
146
147 test_expect_success 'rebase -q is quiet' '
148 git checkout -b quiet topic &&
149 git rebase -q master > output.out 2>&1 &&
150 test ! -s output.out
151 '
152
153 test_expect_success 'Rebase a commit that sprinkles CRs in' '
154 (
155 echo "One"
156 echo "TwoQ"
157 echo "Three"
158 echo "FQur"
159 echo "Five"
160 ) | q_to_cr >CR &&
161 git add CR &&
162 test_tick &&
163 git commit -a -m "A file with a line with CR" &&
164 git tag file-with-cr &&
165 git checkout HEAD^0 &&
166 git rebase --onto HEAD^^ HEAD^ &&
167 git diff --exit-code file-with-cr:CR HEAD:CR
168 '
169
170 test_expect_success 'rebase can copy notes' '
171 git config notes.rewrite.rebase true &&
172 git config notes.rewriteRef "refs/notes/*" &&
173 test_commit n1 &&
174 test_commit n2 &&
175 test_commit n3 &&
176 git notes add -m"a note" n3 &&
177 git rebase --onto n1 n2 &&
178 test "a note" = "$(git notes show HEAD)"
179 '
180
181 test_expect_success 'rebase -m can copy notes' '
182 git reset --hard n3 &&
183 git rebase -m --onto n1 n2 &&
184 test "a note" = "$(git notes show HEAD)"
185 '
186
187 test_done