summaryrefslogtreecommitdiff
path: root/t/t3404-rebase-interactive.sh
blob: 11139048fe2238a3e06972252d7410da4058dccb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
#!/bin/sh
#
# Copyright (c) 2007 Johannes E. Schindelin
#

test_description='git rebase interactive

This test runs git rebase "interactively", by faking an edit, and verifies
that the result still makes sense.
'
. ./test-lib.sh

# set up two branches like this:
#
# A - B - C - D - E
#   \
#     F - G - H
#       \
#         I
#
# where B, D and G touch the same file.

test_expect_success 'setup' '
	: > file1 &&
	git add file1 &&
	test_tick &&
	git commit -m A &&
	git tag A &&
	echo 1 > file1 &&
	test_tick &&
	git commit -m B file1 &&
	: > file2 &&
	git add file2 &&
	test_tick &&
	git commit -m C &&
	echo 2 > file1 &&
	test_tick &&
	git commit -m D file1 &&
	: > file3 &&
	git add file3 &&
	test_tick &&
	git commit -m E &&
	git checkout -b branch1 A &&
	: > file4 &&
	git add file4 &&
	test_tick &&
	git commit -m F &&
	git tag F &&
	echo 3 > file1 &&
	test_tick &&
	git commit -m G file1 &&
	: > file5 &&
	git add file5 &&
	test_tick &&
	git commit -m H &&
	git checkout -b branch2 F &&
	: > file6 &&
	git add file6 &&
	test_tick &&
	git commit -m I &&
	git tag I
'

cat > fake-editor.sh <<\EOF
#!/bin/sh
case "$1" in
*/COMMIT_EDITMSG)
	test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1"
	test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1"
	exit
	;;
esac
test -z "$EXPECT_COUNT" ||
	test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) ||
	exit
test -z "$FAKE_LINES" && exit
grep -v '^#' < "$1" > "$1".tmp
rm -f "$1"
cat "$1".tmp
action=pick
for line in $FAKE_LINES; do
	case $line in
	squash|edit)
		action="$line";;
	*)
		echo sed -n "${line}s/^pick/$action/p"
		sed -n "${line}p" < "$1".tmp
		sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1"
		action=pick;;
	esac
done
EOF

chmod a+x fake-editor.sh
VISUAL="$(pwd)/fake-editor.sh"
export VISUAL

test_expect_success 'no changes are a nop' '
	git rebase -i F &&
	test $(git rev-parse I) = $(git rev-parse HEAD)
'

test_expect_success 'test the [branch] option' '
	git checkout -b dead-end &&
	git rm file6 &&
	git commit -m "stop here" &&
	git rebase -i F branch2 &&
	test $(git rev-parse I) = $(git rev-parse HEAD)
'

test_expect_success 'rebase on top of a non-conflicting commit' '
	git checkout branch1 &&
	git tag original-branch1 &&
	git rebase -i branch2 &&
	test file6 = $(git diff --name-only original-branch1) &&
	test $(git rev-parse I) = $(git rev-parse HEAD~2)
'

test_expect_success 'reflog for the branch shows state before rebase' '
	test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
'

test_expect_success 'exchange two commits' '
	FAKE_LINES="2 1" git rebase -i HEAD~2 &&
	test H = $(git cat-file commit HEAD^ | tail -n 1) &&
	test G = $(git cat-file commit HEAD | tail -n 1)
'

cat > expect << EOF
diff --git a/file1 b/file1
index e69de29..00750ed 100644
--- a/file1
+++ b/file1
@@ -0,0 +1 @@
+3
EOF

cat > expect2 << EOF
<<<<<<< HEAD:file1
2
=======
3
>>>>>>> b7ca976... G:file1
EOF

test_expect_success 'stop on conflicting pick' '
	git tag new-branch1 &&
	! git rebase -i master &&
	diff -u expect .git/.dotest-merge/patch &&
	diff -u expect2 file1 &&
	test 4 = $(grep -v "^#" < .git/.dotest-merge/done | wc -l) &&
	test 0 = $(grep -v "^#" < .git/.dotest-merge/todo | wc -l)
'

test_expect_success 'abort' '
	git rebase --abort &&
	test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
	! test -d .git/.dotest-merge
'

test_expect_success 'retain authorship' '
	echo A > file7 &&
	git add file7 &&
	test_tick &&
	GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
	git tag twerp &&
	git rebase -i --onto master HEAD^ &&
	git show HEAD | grep "^Author: Twerp Snog"
'

test_expect_success 'squash' '
	git reset --hard twerp &&
	echo B > file7 &&
	test_tick &&
	GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
	echo "******************************" &&
	FAKE_LINES="1 squash 2" git rebase -i --onto master HEAD~2 &&
	test B = $(cat file7) &&
	test $(git rev-parse HEAD^) = $(git rev-parse master)
'

test_expect_success 'retain authorship when squashing' '
	git show HEAD | grep "^Author: Twerp Snog"
'

test_expect_success 'preserve merges with -p' '
	git checkout -b to-be-preserved master^ &&
	: > unrelated-file &&
	git add unrelated-file &&
	test_tick &&
	git commit -m "unrelated" &&
	git checkout -b to-be-rebased master &&
	echo B > file1 &&
	test_tick &&
	git commit -m J file1 &&
	test_tick &&
	git merge to-be-preserved &&
	echo C > file1 &&
	test_tick &&
	git commit -m K file1 &&
	test_tick &&
	git rebase -i -p --onto branch1 master &&
	test $(git rev-parse HEAD^^2) = $(git rev-parse to-be-preserved) &&
	test $(git rev-parse HEAD~3) = $(git rev-parse branch1) &&
	test $(git show HEAD:file1) = C &&
	test $(git show HEAD~2:file1) = B
'

test_expect_success '--continue tries to commit' '
	test_tick &&
	! git rebase -i --onto new-branch1 HEAD^ &&
	echo resolved > file1 &&
	git add file1 &&
	FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
	test $(git rev-parse HEAD^) = $(git rev-parse new-branch1) &&
	git show HEAD | grep chouette
'

test_expect_success 'verbose flag is heeded, even after --continue' '
	git reset --hard HEAD@{1} &&
	test_tick &&
	! git rebase -v -i --onto new-branch1 HEAD^ &&
	echo resolved > file1 &&
	git add file1 &&
	git rebase --continue > output &&
	grep "^ file1 |    2 +-$" output
'

test_expect_success 'multi-squash only fires up editor once' '
	base=$(git rev-parse HEAD~4) &&
	FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 squash 2 squash 3 squash 4" \
		git rebase -i $base &&
	test $base = $(git rev-parse HEAD^) &&
	test 1 = $(git show | grep ONCE | wc -l)
'

test_expect_success 'squash works as expected' '
	for n in one two three four
	do
		echo $n >> file$n &&
		git add file$n &&
		git commit -m $n
	done &&
	one=$(git rev-parse HEAD~3) &&
	FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 &&
	test $one = $(git rev-parse HEAD~2)
'

test_expect_success 'interrupted squash works as expected' '
	for n in one two three four
	do
		echo $n >> conflict &&
		git add conflict &&
		git commit -m $n
	done &&
	one=$(git rev-parse HEAD~3) &&
	! FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 &&
	(echo one; echo two; echo four) > conflict &&
	git add conflict &&
	! git rebase --continue &&
	echo resolved > conflict &&
	git add conflict &&
	git rebase --continue &&
	test $one = $(git rev-parse HEAD~2)
'

test_expect_success 'interrupted squash works as expected (case 2)' '
	for n in one two three four
	do
		echo $n >> conflict &&
		git add conflict &&
		git commit -m $n
	done &&
	one=$(git rev-parse HEAD~3) &&
	! FAKE_LINES="3 squash 1 2" git rebase -i HEAD~3 &&
	(echo one; echo four) > conflict &&
	git add conflict &&
	! git rebase --continue &&
	(echo one; echo two; echo four) > conflict &&
	git add conflict &&
	! git rebase --continue &&
	echo resolved > conflict &&
	git add conflict &&
	git rebase --continue &&
	test $one = $(git rev-parse HEAD~2)
'

test_expect_success 'ignore patch if in upstream' '
	HEAD=$(git rev-parse HEAD) &&
	git checkout -b has-cherry-picked HEAD^ &&
	echo unrelated > file7 &&
	git add file7 &&
	test_tick &&
	git commit -m "unrelated change" &&
	git cherry-pick $HEAD &&
	EXPECT_COUNT=1 git rebase -i $HEAD &&
	test $HEAD = $(git rev-parse HEAD^)
'

test_expect_success '--continue tries to commit, even for "edit"' '
	parent=$(git rev-parse HEAD^) &&
	test_tick &&
	FAKE_LINES="edit 1" git rebase -i HEAD^ &&
	echo edited > file7 &&
	git add file7 &&
	FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
	test edited = $(git show HEAD:file7) &&
	git show HEAD | grep chouette &&
	test $parent = $(git rev-parse HEAD^)
'

test_expect_success 'rebase a detached HEAD' '
	grandparent=$(git rev-parse HEAD~2) &&
	git checkout $(git rev-parse HEAD) &&
	test_tick &&
	FAKE_LINES="2 1" git rebase -i HEAD~2 &&
	test $grandparent = $(git rev-parse HEAD~2)
'

test_done