Merge branch 'master' of git://git.kernel.org/pub/scm/git/git
[git/jnareb-git.git] / t / t1060-object-corruption.sh
blob3f8705139d74e8e358ae60cabe5d1cd92d316489
1 #!/bin/sh
3 test_description='see how we handle various forms of corruption'
4 . ./test-lib.sh
6 # convert "1234abcd" to ".git/objects/12/34abcd"
7 obj_to_file() {
8 echo "$(git rev-parse --git-dir)/objects/$(git rev-parse "$1" | sed 's,..,&/,')"
11 # Convert byte at offset "$2" of object "$1" into '\0'
12 corrupt_byte() {
13 obj_file=$(obj_to_file "$1") &&
14 chmod +w "$obj_file" &&
15 printf '\0' | dd of="$obj_file" bs=1 seek="$2" conv=notrunc
18 test_expect_success 'setup corrupt repo' '
19 git init bit-error &&
21 cd bit-error &&
22 test_commit content &&
23 corrupt_byte HEAD:content.t 10
27 test_expect_success 'setup repo with missing object' '
28 git init missing &&
30 cd missing &&
31 test_commit content &&
32 rm -f "$(obj_to_file HEAD:content.t)"
36 test_expect_success 'setup repo with misnamed object' '
37 git init misnamed &&
39 cd misnamed &&
40 test_commit content &&
41 good=$(obj_to_file HEAD:content.t) &&
42 blob=$(echo corrupt | git hash-object -w --stdin) &&
43 bad=$(obj_to_file $blob) &&
44 rm -f "$good" &&
45 mv "$bad" "$good"
49 test_expect_success 'streaming a corrupt blob fails' '
51 cd bit-error &&
52 test_must_fail git cat-file blob HEAD:content.t
56 test_expect_success 'read-tree -u detects bit-errors in blobs' '
58 cd bit-error &&
59 rm -f content.t &&
60 test_must_fail git read-tree --reset -u HEAD
64 test_expect_success 'read-tree -u detects missing objects' '
66 cd missing &&
67 rm -f content.t &&
68 test_must_fail git read-tree --reset -u HEAD
72 # We use --bare to make sure that the transport detects it, not the checkout
73 # phase.
74 test_expect_success 'clone --no-local --bare detects corruption' '
75 test_must_fail git clone --no-local --bare bit-error corrupt-transport
78 test_expect_success 'clone --no-local --bare detects missing object' '
79 test_must_fail git clone --no-local --bare missing missing-transport
82 test_expect_success 'clone --no-local --bare detects misnamed object' '
83 test_must_fail git clone --no-local --bare misnamed misnamed-transport
86 # We do not expect --local to detect corruption at the transport layer,
87 # so we are really checking the checkout() code path.
88 test_expect_success 'clone --local detects corruption' '
89 test_must_fail git clone --local bit-error corrupt-checkout
92 test_expect_success 'error detected during checkout leaves repo intact' '
93 test_path_is_dir corrupt-checkout/.git
96 test_expect_success 'clone --local detects missing objects' '
97 test_must_fail git clone --local missing missing-checkout
100 test_expect_failure 'clone --local detects misnamed objects' '
101 test_must_fail git clone --local misnamed misnamed-checkout
104 test_done