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[git/git.git] / t / t5710-info-alternate.sh
1 #!/bin/sh
2 #
3 # Copyright (C) 2006 Martin Waitz <tali@admingilde.org>
4 #
5
6 test_description='test transitive info/alternate entries'
7 . ./test-lib.sh
8
9 # test that a file is not reachable in the current repository
10 # but that it is after creating a info/alternate entry
11 reachable_via() {
12 alternate="$1"
13 file="$2"
14 if git cat-file -e "HEAD:$file"; then return 1; fi
15 echo "$alternate" >> .git/objects/info/alternate
16 git cat-file -e "HEAD:$file"
17 }
18
19 test_valid_repo() {
20 git fsck-objects --full > fsck.log &&
21 test `wc -l < fsck.log` = 0
22 }
23
24 base_dir=`pwd`
25
26 test_expect_success 'preparing first repository' \
27 'test_create_repo A && cd A &&
28 echo "Hello World" > file1 &&
29 git add file1 &&
30 git commit -m "Initial commit" file1 &&
31 git repack -a -d &&
32 git prune'
33
34 cd "$base_dir"
35
36 test_expect_success 'preparing second repository' \
37 'git clone -l -s A B && cd B &&
38 echo "foo bar" > file2 &&
39 git add file2 &&
40 git commit -m "next commit" file2 &&
41 git repack -a -d -l &&
42 git prune'
43
44 cd "$base_dir"
45
46 test_expect_success 'preparing third repository' \
47 'git clone -l -s B C && cd C &&
48 echo "Goodbye, cruel world" > file3 &&
49 git add file3 &&
50 git commit -m "one more" file3 &&
51 git repack -a -d -l &&
52 git prune'
53
54 cd "$base_dir"
55
56 test_expect_failure 'creating too deep nesting' \
57 'git clone -l -s C D &&
58 git clone -l -s D E &&
59 git clone -l -s E F &&
60 git clone -l -s F G &&
61 test_valid_repo'
62
63 cd "$base_dir"
64
65 test_expect_success 'validity of third repository' \
66 'cd C &&
67 test_valid_repo'
68
69 cd "$base_dir"
70
71 test_expect_success 'validity of fourth repository' \
72 'cd D &&
73 test_valid_repo'
74
75 cd "$base_dir"
76
77 test_expect_success 'breaking of loops' \
78 "echo '$base_dir/B/.git/objects' >> '$base_dir'/A/.git/objects/info/alternates&&
79 cd C &&
80 test_valid_repo"
81
82 cd "$base_dir"
83
84 test_expect_failure 'that info/alternates is neccessary' \
85 'cd C &&
86 rm .git/objects/info/alternates &&
87 test_valid_repo'
88
89 cd "$base_dir"
90
91 test_expect_success 'that relative alternate is possible for current dir' \
92 'cd C &&
93 echo "../../../B/.git/objects" > .git/objects/info/alternates &&
94 test_valid_repo'
95
96 cd "$base_dir"
97
98 test_expect_failure 'that relative alternate is only possible for current dir' \
99 'cd D &&
100 test_valid_repo'
101
102 cd "$base_dir"
103
104 test_done
105