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
| | #!/bin/sh
test_description='push to a repository that borrows from elsewhere'
. ./test-lib.sh
test_expect_success setup '
mkdir alice-pub &&
(
cd alice-pub &&
GIT_DIR=. git init
) &&
mkdir alice-work &&
(
cd alice-work &&
git init &&
>file &&
git add . &&
git commit -m initial &&
git push ../alice-pub main
) &&
# Project Bob is a fork of project Alice
mkdir bob-pub &&
(
cd bob-pub &&
GIT_DIR=. git init &&
mkdir -p objects/info &&
echo ../../alice-pub/objects >objects/info/alternates
) &&
git clone alice-pub bob-work &&
(
cd bob-work &&
git push ../bob-pub main
)
'
test_expect_success 'alice works and pushes' '
(
cd alice-work &&
echo more >file &&
git commit -a -m second &&
git push ../alice-pub :
)
'
test_expect_success 'bob fetches from alice, works and pushes' '
(
# Bob acquires what Alice did in his work tree first.
# Even though these objects are not directly in
# the public repository of Bob, this push does not
# need to send the commit Bob received from Alice
# to his public repository, as all the object Alice
# has at her public repository are available to it
# via its alternates.
cd bob-work &&
git pull ../alice-pub main &&
echo more bob >file &&
git commit -a -m third &&
git push ../bob-pub :
) &&
# Check that the second commit by Alice is not sent
# to ../bob-pub
(
cd bob-pub &&
second=$(git rev-parse HEAD^) &&
rm -f objects/info/alternates &&
test_must_fail git cat-file -t $second &&
echo ../../alice-pub/objects >objects/info/alternates
)
'
test_expect_success 'clean-up in case the previous failed' '
(
cd bob-pub &&
echo ../../alice-pub/objects >objects/info/alternates
)
'
test_expect_success 'alice works and pushes again' '
(
# Alice does not care what Bob does. She does not
# even have to be aware of his existence. She just
# keeps working and pushing
cd alice-work &&
echo more alice >file &&
git commit -a -m fourth &&
git push ../alice-pub :
)
'
test_expect_success 'bob works and pushes' '
(
# This time Bob does not pull from Alice, and
# the main branch at her public repository points
# at a commit Bob does not know about. This should
# not prevent the push by Bob from succeeding.
cd bob-work &&
echo yet more bob >file &&
git commit -a -m fifth &&
git push ../bob-pub :
)
'
test_expect_success 'alice works and pushes yet again' '
(
# Alice does not care what Bob does. She does not
# even have to be aware of his existence. She just
# keeps working and pushing
cd alice-work &&
echo more and more alice >file &&
git commit -a -m sixth.1 &&
echo more and more alice >>file &&
git commit -a -m sixth.2 &&
echo more and more alice >>file &&
git commit -a -m sixth.3 &&
git push ../alice-pub :
)
'
test_expect_success 'bob works and pushes again' '
(
cd alice-pub &&
git cat-file commit main >../bob-work/commit
) &&
(
# This time Bob does not pull from Alice, and
# the main branch at her public repository points
# at a commit Bob does not fully know about, but
# he happens to have the commit object (but not the
# necessary tree) in his repository from Alice.
# This should not prevent the push by Bob from
# succeeding.
cd bob-work &&
git hash-object -t commit -w commit &&
echo even more bob >file &&
git commit -a -m seventh &&
git push ../bob-pub :
)
'
test_done
|