aboutsummaryrefslogtreecommitdiff
path: root/t/t6026-merge-attr.sh
blob: 8f9b48a4937bb4141d17b7d9096d2b6fb695c25c (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
#!/bin/sh
#
# Copyright (c) 2007 Junio C Hamano
#

test_description='per path merge controlled by merge attribute'

. ./test-lib.sh

test_expect_success setup '

	for f in text binary union
	do
		echo Initial >$f && git add $f || return 1
	done &&
	test_tick &&
	git commit -m Initial &&

	git branch side &&
	for f in text binary union
	do
		echo Master >>$f && git add $f || return 1
	done &&
	test_tick &&
	git commit -m Master &&

	git checkout side &&
	for f in text binary union
	do
		echo Side >>$f && git add $f || return 1
	done &&
	test_tick &&
	git commit -m Side &&

	git tag anchor
'

test_expect_success merge '

	{
		echo "binary -merge"
		echo "union merge=union"
	} >.gitattributes &&

	if git merge master
	then
		echo Gaah, should have conflicted
		false
	else
		echo Ok, conflicted.
	fi
'

test_expect_success 'check merge result in index' '

	git ls-files -u | grep binary &&
	git ls-files -u | grep text &&
	! (git ls-files -u | grep union)

'

test_expect_success 'check merge result in working tree' '

	git cat-file -p HEAD:binary >binary-orig &&
	grep "<<<<<<<" text &&
	cmp binary-orig binary &&
	! grep "<<<<<<<" union &&
	grep Master union &&
	grep Side union

'

test_expect_success 'retry the merge with longer context' '
	echo text conflict-marker-size=32 >>.gitattributes &&
	git checkout -m text &&
	sed -ne "/^\([<=>]\)\1\1\1*/{
		s/ .*$//
		p
	}" >actual text &&
	grep ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" actual &&
	grep "================================" actual &&
	grep "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" actual
'

cat >./custom-merge <<\EOF
#!/bin/sh

orig="$1" ours="$2" theirs="$3" exit="$4" path=$5
(
	echo "orig is $orig"
	echo "ours is $ours"
	echo "theirs is $theirs"
	echo "path is $path"
	echo "=== orig ==="
	cat "$orig"
	echo "=== ours ==="
	cat "$ours"
	echo "=== theirs ==="
	cat "$theirs"
) >"$ours+"
cat "$ours+" >"$ours"
rm -f "$ours+"
exit "$exit"
EOF
chmod +x ./custom-merge

test_expect_success 'custom merge backend' '

	echo "* merge=union" >.gitattributes &&
	echo "text merge=custom" >>.gitattributes &&

	git reset --hard anchor &&
	git config --replace-all \
	merge.custom.driver "./custom-merge %O %A %B 0 %P" &&
	git config --replace-all \
	merge.custom.name "custom merge driver for testing" &&

	git merge master &&

	cmp binary union &&
	sed -e 1,3d text >check-1 &&
	o=$(git unpack-file master^:text) &&
	a=$(git unpack-file side^:text) &&
	b=$(git unpack-file master:text) &&
	sh -c "./custom-merge $o $a $b 0 'text'" &&
	sed -e 1,3d $a >check-2 &&
	cmp check-1 check-2 &&
	rm -f $o $a $b
'

test_expect_success 'custom merge backend' '

	git reset --hard anchor &&
	git config --replace-all \
	merge.custom.driver "./custom-merge %O %A %B 1 %P" &&
	git config --replace-all \
	merge.custom.name "custom merge driver for testing" &&

	if git merge master
	then
		echo "Eh? should have conflicted"
		false
	else
		echo "Ok, conflicted"
	fi &&

	cmp binary union &&
	sed -e 1,3d text >check-1 &&
	o=$(git unpack-file master^:text) &&
	a=$(git unpack-file anchor:text) &&
	b=$(git unpack-file master:text) &&
	sh -c "./custom-merge $o $a $b 0 'text'" &&
	sed -e 1,3d $a >check-2 &&
	cmp check-1 check-2 &&
	sed -e 1,3d -e 4q $a >check-3 &&
	echo "path is text" >expect &&
	cmp expect check-3 &&
	rm -f $o $a $b
'

test_expect_success 'up-to-date merge without common ancestor' '
	test_create_repo repo1 &&
	test_create_repo repo2 &&
	test_tick &&
	(
		cd repo1 &&
		>a &&
		git add a &&
		git commit -m initial
	) &&
	test_tick &&
	(
		cd repo2 &&
		git commit --allow-empty -m initial
	) &&
	test_tick &&
	(
		cd repo1 &&
		git fetch ../repo2 master &&
		git merge --allow-unrelated-histories FETCH_HEAD
	)
'

test_expect_success 'custom merge does not lock index' '
	git reset --hard anchor &&
	write_script sleep-an-hour.sh <<-\EOF &&
		sleep 3600 &
		echo $! >sleep.pid
	EOF

	test_write_lines >.gitattributes \
		"* merge=ours" "text merge=sleep-an-hour" &&
	test_config merge.ours.driver true &&
	test_config merge.sleep-an-hour.driver ./sleep-an-hour.sh &&

	# We are testing that the custom merge driver does not block
	# index.lock on Windows due to an inherited file handle.
	# To ensure that the backgrounded process ran sufficiently
	# long (and has been started in the first place), we do not
	# ignore the result of the kill command.
	# By packaging the command in test_when_finished, we get both
	# the correctness check and the clean-up.
	test_when_finished "kill \$(cat sleep.pid)" &&
	git merge master
'

test_done