aboutsummaryrefslogtreecommitdiff
path: root/t/t3412-rebase-root.sh
blob: 73a39f2923aa7536ce65ea3ee514805122be79b1 (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
#!/bin/sh

test_description='git rebase --root

Tests if git rebase --root --onto <newparent> can rebase the root commit.
'
. ./test-lib.sh

log_with_names () {
	git rev-list --topo-order --parents --pretty="tformat:%s" HEAD |
	git name-rev --stdin --name-only --refs=refs/heads/$1
}


test_expect_success 'prepare repository' '
	test_commit 1 A &&
	test_commit 2 A &&
	git symbolic-ref HEAD refs/heads/other &&
	rm .git/index &&
	test_commit 3 B &&
	test_commit 1b A 1 &&
	test_commit 4 B
'

test_expect_success 'rebase --root fails with too many args' '
	git checkout -B fail other &&
	test_must_fail git rebase --onto master --root fail fail
'

test_expect_success 'setup pre-rebase hook' '
	mkdir -p .git/hooks &&
	cat >.git/hooks/pre-rebase <<EOF &&
#!$SHELL_PATH
echo "\$1,\$2" >.git/PRE-REBASE-INPUT
EOF
	chmod +x .git/hooks/pre-rebase
'
cat > expect <<EOF
4
3
2
1
EOF

test_expect_success 'rebase --root --onto <newbase>' '
	git checkout -b work other &&
	git rebase --root --onto master &&
	git log --pretty=tformat:"%s" > rebased &&
	test_cmp expect rebased
'

test_expect_success 'pre-rebase got correct input (1)' '
	test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,
'

test_expect_success 'rebase --root --onto <newbase> <branch>' '
	git branch work2 other &&
	git rebase --root --onto master work2 &&
	git log --pretty=tformat:"%s" > rebased2 &&
	test_cmp expect rebased2
'

test_expect_success 'pre-rebase got correct input (2)' '
	test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,work2
'

test_expect_success 'rebase -i --root --onto <newbase>' '
	git checkout -b work3 other &&
	git rebase -i --root --onto master &&
	git log --pretty=tformat:"%s" > rebased3 &&
	test_cmp expect rebased3
'

test_expect_success 'pre-rebase got correct input (3)' '
	test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,
'

test_expect_success 'rebase -i --root --onto <newbase> <branch>' '
	git branch work4 other &&
	git rebase -i --root --onto master work4 &&
	git log --pretty=tformat:"%s" > rebased4 &&
	test_cmp expect rebased4
'

test_expect_success 'pre-rebase got correct input (4)' '
	test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,work4
'

test_expect_success 'rebase -i -p with linear history' '
	git checkout -b work5 other &&
	git rebase -i -p --root --onto master &&
	git log --pretty=tformat:"%s" > rebased5 &&
	test_cmp expect rebased5
'

test_expect_success 'pre-rebase got correct input (5)' '
	test "z$(cat .git/PRE-REBASE-INPUT)" = z--root,
'

test_expect_success 'set up merge history' '
	git checkout other^ &&
	git checkout -b side &&
	test_commit 5 C &&
	git checkout other &&
	git merge side
'

cat > expect-side <<'EOF'
commit work6 work6~1 work6^2
Merge branch 'side' into other
commit work6^2 work6~2
5
commit work6~1 work6~2
4
commit work6~2 work6~3
3
commit work6~3 work6~4
2
commit work6~4
1
EOF

test_expect_success 'rebase -i -p with merge' '
	git checkout -b work6 other &&
	git rebase -i -p --root --onto master &&
	log_with_names work6 > rebased6 &&
	test_cmp expect-side rebased6
'

test_expect_success 'set up second root and merge' '
	git symbolic-ref HEAD refs/heads/third &&
	rm .git/index &&
	rm A B C &&
	test_commit 6 D &&
	git checkout other &&
	git merge --allow-unrelated-histories third
'

cat > expect-third <<'EOF'
commit work7 work7~1 work7^2
Merge branch 'third' into other
commit work7^2 work7~4
6
commit work7~1 work7~2 work7~1^2
Merge branch 'side' into other
commit work7~1^2 work7~3
5
commit work7~2 work7~3
4
commit work7~3 work7~4
3
commit work7~4 work7~5
2
commit work7~5
1
EOF

test_expect_success 'rebase -i -p with two roots' '
	git checkout -b work7 other &&
	git rebase -i -p --root --onto master &&
	log_with_names work7 > rebased7 &&
	test_cmp expect-third rebased7
'

test_expect_success 'setup pre-rebase hook that fails' '
	mkdir -p .git/hooks &&
	cat >.git/hooks/pre-rebase <<EOF &&
#!$SHELL_PATH
false
EOF
	chmod +x .git/hooks/pre-rebase
'

test_expect_success 'pre-rebase hook stops rebase' '
	git checkout -b stops1 other &&
	test_must_fail git rebase --root --onto master &&
	test "z$(git symbolic-ref HEAD)" = zrefs/heads/stops1 &&
	test 0 = $(git rev-list other...stops1 | wc -l)
'

test_expect_success 'pre-rebase hook stops rebase -i' '
	git checkout -b stops2 other &&
	test_must_fail git rebase --root --onto master &&
	test "z$(git symbolic-ref HEAD)" = zrefs/heads/stops2 &&
	test 0 = $(git rev-list other...stops2 | wc -l)
'

test_expect_success 'remove pre-rebase hook' '
	rm -f .git/hooks/pre-rebase
'

test_expect_success 'set up a conflict' '
	git checkout master &&
	echo conflict > B &&
	git add B &&
	git commit -m conflict
'

test_expect_success 'rebase --root with conflict (first part)' '
	git checkout -b conflict1 other &&
	test_must_fail git rebase --root --onto master &&
	git ls-files -u | grep "B$"
'

test_expect_success 'fix the conflict' '
	echo 3 > B &&
	git add B
'

cat > expect-conflict <<EOF
6
5
4
3
conflict
2
1
EOF

test_expect_success 'rebase --root with conflict (second part)' '
	git rebase --continue &&
	git log --pretty=tformat:"%s" > conflict1 &&
	test_cmp expect-conflict conflict1
'

test_expect_success 'rebase -i --root with conflict (first part)' '
	git checkout -b conflict2 other &&
	test_must_fail git rebase -i --root --onto master &&
	git ls-files -u | grep "B$"
'

test_expect_success 'fix the conflict' '
	echo 3 > B &&
	git add B
'

test_expect_success 'rebase -i --root with conflict (second part)' '
	git rebase --continue &&
	git log --pretty=tformat:"%s" > conflict2 &&
	test_cmp expect-conflict conflict2
'

cat >expect-conflict-p <<\EOF
commit conflict3 conflict3~1 conflict3^2
Merge branch 'third' into other
commit conflict3^2 conflict3~4
6
commit conflict3~1 conflict3~2 conflict3~1^2
Merge branch 'side' into other
commit conflict3~1^2 conflict3~3
5
commit conflict3~2 conflict3~3
4
commit conflict3~3 conflict3~4
3
commit conflict3~4 conflict3~5
conflict
commit conflict3~5 conflict3~6
2
commit conflict3~6
1
EOF

test_expect_success 'rebase -i -p --root with conflict (first part)' '
	git checkout -b conflict3 other &&
	test_must_fail git rebase -i -p --root --onto master &&
	git ls-files -u | grep "B$"
'

test_expect_success 'fix the conflict' '
	echo 3 > B &&
	git add B
'

test_expect_success 'rebase -i -p --root with conflict (second part)' '
	git rebase --continue &&
	log_with_names conflict3 >out &&
	test_cmp expect-conflict-p out
'

test_done