1#!/bin/sh
2#
3# Copyright (c) 2007 Johannes E. Schindelin
4#
5
6test_description='git rebase interactive
7
8This test runs git rebase "interactively", by faking an edit, and verifies
9that the result still makes sense.
10'
11. ./test-lib.sh
12
13# set up two branches like this:
14#
15# A - B - C - D - E
16# \
17# F - G - H
18# \
19# I
20#
21# where B, D and G touch the same file.
22
23test_expect_success 'setup' '
24 : > file1 &&
25 git add file1 &&
26 test_tick &&
27 git commit -m A &&
28 git tag A &&
29 echo 1 > file1 &&
30 test_tick &&
31 git commit -m B file1 &&
32 : > file2 &&
33 git add file2 &&
34 test_tick &&
35 git commit -m C &&
36 echo 2 > file1 &&
37 test_tick &&
38 git commit -m D file1 &&
39 : > file3 &&
40 git add file3 &&
41 test_tick &&
42 git commit -m E &&
43 git checkout -b branch1 A &&
44 : > file4 &&
45 git add file4 &&
46 test_tick &&
47 git commit -m F &&
48 git tag F &&
49 echo 3 > file1 &&
50 test_tick &&
51 git commit -m G file1 &&
52 : > file5 &&
53 git add file5 &&
54 test_tick &&
55 git commit -m H &&
56 git checkout -b branch2 F &&
57 : > file6 &&
58 git add file6 &&
59 test_tick &&
60 git commit -m I &&
61 git tag I
62'
63
64echo "#!$SHELL_PATH" >fake-editor.sh
65cat >> fake-editor.sh <<\EOF
66case "$1" in
67*/COMMIT_EDITMSG)
68 test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1"
69 test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1"
70 exit
71 ;;
72esac
73test -z "$EXPECT_COUNT" ||
74 test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) ||
75 exit
76test -z "$FAKE_LINES" && exit
77grep -v '^#' < "$1" > "$1".tmp
78rm -f "$1"
79cat "$1".tmp
80action=pick
81for line in $FAKE_LINES; do
82 case $line in
83 squash|edit)
84 action="$line";;
85 *)
86 echo sed -n "${line}s/^pick/$action/p"
87 sed -n "${line}p" < "$1".tmp
88 sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1"
89 action=pick;;
90 esac
91done
92EOF
93
94test_set_editor "$(pwd)/fake-editor.sh"
95chmod a+x fake-editor.sh
96
97test_expect_success 'no changes are a nop' '
98 git rebase -i F &&
99 test $(git rev-parse I) = $(git rev-parse HEAD)
100'
101
102test_expect_success 'test the [branch] option' '
103 git checkout -b dead-end &&
104 git rm file6 &&
105 git commit -m "stop here" &&
106 git rebase -i F branch2 &&
107 test $(git rev-parse I) = $(git rev-parse HEAD)
108'
109
110test_expect_success 'rebase on top of a non-conflicting commit' '
111 git checkout branch1 &&
112 git tag original-branch1 &&
113 git rebase -i branch2 &&
114 test file6 = $(git diff --name-only original-branch1) &&
115 test $(git rev-parse I) = $(git rev-parse HEAD~2)
116'
117
118test_expect_success 'reflog for the branch shows state before rebase' '
119 test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
120'
121
122test_expect_success 'exchange two commits' '
123 FAKE_LINES="2 1" git rebase -i HEAD~2 &&
124 test H = $(git cat-file commit HEAD^ | sed -ne \$p) &&
125 test G = $(git cat-file commit HEAD | sed -ne \$p)
126'
127
128cat > expect << EOF
129diff --git a/file1 b/file1
130index e69de29..00750ed 100644
131--- a/file1
132+++ b/file1
133@@ -0,0 +1 @@
134+3
135EOF
136
137cat > expect2 << EOF
138<<<<<<< HEAD:file1
1392
140=======
1413
142>>>>>>> b7ca976... G:file1
143EOF
144
145test_expect_success 'stop on conflicting pick' '
146 git tag new-branch1 &&
147 ! git rebase -i master &&
148 test_cmp expect .git/.dotest-merge/patch &&
149 test_cmp expect2 file1 &&
150 test 4 = $(grep -v "^#" < .git/.dotest-merge/done | wc -l) &&
151 test 0 = $(grep -c "^[^#]" < .git/.dotest-merge/git-rebase-todo)
152'
153
154test_expect_success 'abort' '
155 git rebase --abort &&
156 test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
157 ! test -d .git/.dotest-merge
158'
159
160test_expect_success 'retain authorship' '
161 echo A > file7 &&
162 git add file7 &&
163 test_tick &&
164 GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
165 git tag twerp &&
166 git rebase -i --onto master HEAD^ &&
167 git show HEAD | grep "^Author: Twerp Snog"
168'
169
170test_expect_success 'squash' '
171 git reset --hard twerp &&
172 echo B > file7 &&
173 test_tick &&
174 GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
175 echo "******************************" &&
176 FAKE_LINES="1 squash 2" git rebase -i --onto master HEAD~2 &&
177 test B = $(cat file7) &&
178 test $(git rev-parse HEAD^) = $(git rev-parse master)
179'
180
181test_expect_success 'retain authorship when squashing' '
182 git show HEAD | grep "^Author: Twerp Snog"
183'
184
185test_expect_success '-p handles "no changes" gracefully' '
186 HEAD=$(git rev-parse HEAD) &&
187 git rebase -i -p HEAD^ &&
188 test $HEAD = $(git rev-parse HEAD)
189'
190
191test_expect_success 'preserve merges with -p' '
192 git checkout -b to-be-preserved master^ &&
193 : > unrelated-file &&
194 git add unrelated-file &&
195 test_tick &&
196 git commit -m "unrelated" &&
197 git checkout -b to-be-rebased master &&
198 echo B > file1 &&
199 test_tick &&
200 git commit -m J file1 &&
201 test_tick &&
202 git merge to-be-preserved &&
203 echo C > file1 &&
204 test_tick &&
205 git commit -m K file1 &&
206 test_tick &&
207 git rebase -i -p --onto branch1 master &&
208 test $(git rev-parse HEAD^^2) = $(git rev-parse to-be-preserved) &&
209 test $(git rev-parse HEAD~3) = $(git rev-parse branch1) &&
210 test $(git show HEAD:file1) = C &&
211 test $(git show HEAD~2:file1) = B
212'
213
214test_expect_success '--continue tries to commit' '
215 test_tick &&
216 ! git rebase -i --onto new-branch1 HEAD^ &&
217 echo resolved > file1 &&
218 git add file1 &&
219 FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
220 test $(git rev-parse HEAD^) = $(git rev-parse new-branch1) &&
221 git show HEAD | grep chouette
222'
223
224test_expect_success 'verbose flag is heeded, even after --continue' '
225 git reset --hard HEAD@{1} &&
226 test_tick &&
227 ! git rebase -v -i --onto new-branch1 HEAD^ &&
228 echo resolved > file1 &&
229 git add file1 &&
230 git rebase --continue > output &&
231 grep "^ file1 | 2 +-$" output
232'
233
234test_expect_success 'multi-squash only fires up editor once' '
235 base=$(git rev-parse HEAD~4) &&
236 FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 squash 2 squash 3 squash 4" \
237 git rebase -i $base &&
238 test $base = $(git rev-parse HEAD^) &&
239 test 1 = $(git show | grep ONCE | wc -l)
240'
241
242test_expect_success 'squash works as expected' '
243 for n in one two three four
244 do
245 echo $n >> file$n &&
246 git add file$n &&
247 git commit -m $n
248 done &&
249 one=$(git rev-parse HEAD~3) &&
250 FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 &&
251 test $one = $(git rev-parse HEAD~2)
252'
253
254test_expect_success 'interrupted squash works as expected' '
255 for n in one two three four
256 do
257 echo $n >> conflict &&
258 git add conflict &&
259 git commit -m $n
260 done &&
261 one=$(git rev-parse HEAD~3) &&
262 ! FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 &&
263 (echo one; echo two; echo four) > conflict &&
264 git add conflict &&
265 ! git rebase --continue &&
266 echo resolved > conflict &&
267 git add conflict &&
268 git rebase --continue &&
269 test $one = $(git rev-parse HEAD~2)
270'
271
272test_expect_success 'interrupted squash works as expected (case 2)' '
273 for n in one two three four
274 do
275 echo $n >> conflict &&
276 git add conflict &&
277 git commit -m $n
278 done &&
279 one=$(git rev-parse HEAD~3) &&
280 ! FAKE_LINES="3 squash 1 2" git rebase -i HEAD~3 &&
281 (echo one; echo four) > conflict &&
282 git add conflict &&
283 ! git rebase --continue &&
284 (echo one; echo two; echo four) > conflict &&
285 git add conflict &&
286 ! git rebase --continue &&
287 echo resolved > conflict &&
288 git add conflict &&
289 git rebase --continue &&
290 test $one = $(git rev-parse HEAD~2)
291'
292
293test_expect_success 'ignore patch if in upstream' '
294 HEAD=$(git rev-parse HEAD) &&
295 git checkout -b has-cherry-picked HEAD^ &&
296 echo unrelated > file7 &&
297 git add file7 &&
298 test_tick &&
299 git commit -m "unrelated change" &&
300 git cherry-pick $HEAD &&
301 EXPECT_COUNT=1 git rebase -i $HEAD &&
302 test $HEAD = $(git rev-parse HEAD^)
303'
304
305test_expect_success '--continue tries to commit, even for "edit"' '
306 parent=$(git rev-parse HEAD^) &&
307 test_tick &&
308 FAKE_LINES="edit 1" git rebase -i HEAD^ &&
309 echo edited > file7 &&
310 git add file7 &&
311 FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
312 test edited = $(git show HEAD:file7) &&
313 git show HEAD | grep chouette &&
314 test $parent = $(git rev-parse HEAD^)
315'
316
317test_expect_success 'rebase a detached HEAD' '
318 grandparent=$(git rev-parse HEAD~2) &&
319 git checkout $(git rev-parse HEAD) &&
320 test_tick &&
321 FAKE_LINES="2 1" git rebase -i HEAD~2 &&
322 test $grandparent = $(git rev-parse HEAD~2)
323'
324
325test_expect_success 'rebase a commit violating pre-commit' '
326
327 mkdir -p .git/hooks &&
328 PRE_COMMIT=.git/hooks/pre-commit &&
329 echo "#!/bin/sh" > $PRE_COMMIT &&
330 echo "test -z \"\$(git diff --cached --check)\"" >> $PRE_COMMIT &&
331 chmod a+x $PRE_COMMIT &&
332 echo "monde! " >> file1 &&
333 test_tick &&
334 ! git commit -m doesnt-verify file1 &&
335 git commit -m doesnt-verify --no-verify file1 &&
336 test_tick &&
337 FAKE_LINES=2 git rebase -i HEAD~2
338
339'
340
341test_expect_success 'rebase with a file named HEAD in worktree' '
342
343 rm -fr .git/hooks &&
344 git reset --hard &&
345 git checkout -b branch3 A &&
346
347 (
348 GIT_AUTHOR_NAME="Squashed Away" &&
349 export GIT_AUTHOR_NAME &&
350 >HEAD &&
351 git add HEAD &&
352 git commit -m "Add head" &&
353 >BODY &&
354 git add BODY &&
355 git commit -m "Add body"
356 ) &&
357
358 FAKE_LINES="1 squash 2" git rebase -i to-be-rebased &&
359 test "$(git show -s --pretty=format:%an)" = "Squashed Away"
360
361'
362
363test_done