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dd05ea17 MW |
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 | ||
128a348d | 9 | test_expect_success 'preparing first repository' ' |
8f2ed267 JK |
10 | test_create_repo A && ( |
11 | cd A && | |
12 | echo "Hello World" > file1 && | |
13 | git add file1 && | |
14 | git commit -m "Initial commit" file1 && | |
15 | git repack -a -d && | |
16 | git prune | |
17 | ) | |
128a348d | 18 | ' |
dd05ea17 | 19 | |
128a348d | 20 | test_expect_success 'preparing second repository' ' |
8f2ed267 JK |
21 | git clone -l -s A B && ( |
22 | cd B && | |
23 | echo "foo bar" > file2 && | |
24 | git add file2 && | |
25 | git commit -m "next commit" file2 && | |
26 | git repack -a -d -l && | |
27 | git prune | |
28 | ) | |
128a348d | 29 | ' |
dd05ea17 | 30 | |
128a348d | 31 | test_expect_success 'preparing third repository' ' |
8f2ed267 JK |
32 | git clone -l -s B C && ( |
33 | cd C && | |
34 | echo "Goodbye, cruel world" > file3 && | |
35 | git add file3 && | |
36 | git commit -m "one more" file3 && | |
37 | git repack -a -d -l && | |
38 | git prune | |
39 | ) | |
128a348d | 40 | ' |
dd05ea17 | 41 | |
f0f86fa9 JK |
42 | # Note: These tests depend on the hard-coded value of 5 as the maximum depth |
43 | # we will follow recursion. We start the depth at 0 and count links, not | |
44 | # repositories. This means that in a chain like: | |
45 | # | |
46 | # A --> B --> C --> D --> E --> F --> G --> H | |
47 | # 0 1 2 3 4 5 6 | |
48 | # | |
49 | # we are OK at "G", but break at "H", even though "H" is actually the 8th | |
50 | # repository, not the 6th, which you might expect. Counting the links allows | |
51 | # N+1 repositories, and counting from 0 to 5 inclusive allows 6 links. | |
52 | # | |
53 | # Note also that we must use "--bare -l" to make the link to H. The "-l" | |
54 | # ensures we do not do a connectivity check, and the "--bare" makes sure | |
55 | # we do not try to checkout the result (which needs objects), either of | |
56 | # which would cause the clone to fail. | |
128a348d JK |
57 | test_expect_success 'creating too deep nesting' ' |
58 | git clone -l -s C D && | |
59 | git clone -l -s D E && | |
60 | git clone -l -s E F && | |
61 | git clone -l -s F G && | |
62 | git clone --bare -l -s G H | |
63 | ' | |
125a05fd | 64 | |
f0f86fa9 JK |
65 | test_expect_success 'validity of seventh repository' ' |
66 | git -C G fsck | |
128a348d | 67 | ' |
dd05ea17 | 68 | |
f0f86fa9 JK |
69 | test_expect_success 'invalidity of eighth repository' ' |
70 | test_must_fail git -C H fsck | |
128a348d | 71 | ' |
dd05ea17 | 72 | |
128a348d | 73 | test_expect_success 'breaking of loops' ' |
8f2ed267 JK |
74 | echo "$(pwd)"/B/.git/objects >>A/.git/objects/info/alternates && |
75 | git -C C fsck | |
128a348d | 76 | ' |
dd05ea17 | 77 | |
128a348d | 78 | test_expect_success 'that info/alternates is necessary' ' |
8f2ed267 JK |
79 | rm -f C/.git/objects/info/alternates && |
80 | test_must_fail git -C C fsck | |
195eb465 | 81 | ' |
dd05ea17 | 82 | |
128a348d | 83 | test_expect_success 'that relative alternate is possible for current dir' ' |
8f2ed267 | 84 | echo "../../../B/.git/objects" >C/.git/objects/info/alternates && |
128a348d JK |
85 | git fsck |
86 | ' | |
dd05ea17 | 87 | |
128a348d | 88 | test_expect_success 'that relative alternate is only possible for current dir' ' |
8f2ed267 | 89 | test_must_fail git -C D fsck |
41ac414e | 90 | ' |
dd05ea17 | 91 | |
dd05ea17 | 92 | test_done |