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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
commit | c8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch) | |
tree | 24e09d9f84dec336720cf393e156089ca2835791 /t/t1060-object-corruption.sh | |
parent | Initial commit. (diff) | |
download | git-17a789943131483bc454986d1be6da6caaabce8c.tar.xz git-17a789943131483bc454986d1be6da6caaabce8c.zip |
Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/t1060-object-corruption.sh')
-rwxr-xr-x | t/t1060-object-corruption.sh | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/t/t1060-object-corruption.sh b/t/t1060-object-corruption.sh new file mode 100755 index 0000000..35261af --- /dev/null +++ b/t/t1060-object-corruption.sh @@ -0,0 +1,149 @@ +#!/bin/sh + +test_description='see how we handle various forms of corruption' + +TEST_PASSES_SANITIZE_LEAK=true +. ./test-lib.sh + +# convert "1234abcd" to ".git/objects/12/34abcd" +obj_to_file() { + echo "$(git rev-parse --git-dir)/objects/$(git rev-parse "$1" | sed 's,..,&/,')" +} + +# Convert byte at offset "$2" of object "$1" into '\0' +corrupt_byte() { + obj_file=$(obj_to_file "$1") && + chmod +w "$obj_file" && + printf '\0' | dd of="$obj_file" bs=1 seek="$2" conv=notrunc +} + +test_expect_success 'setup corrupt repo' ' + git init bit-error && + ( + cd bit-error && + test_commit content && + corrupt_byte HEAD:content.t 10 + ) && + git init no-bit-error && + ( + # distinct commit from bit-error, but containing a + # non-corrupted version of the same blob + cd no-bit-error && + test_tick && + test_commit content + ) +' + +test_expect_success 'setup repo with missing object' ' + git init missing && + ( + cd missing && + test_commit content && + rm -f "$(obj_to_file HEAD:content.t)" + ) +' + +test_expect_success 'setup repo with misnamed object' ' + git init misnamed && + ( + cd misnamed && + test_commit content && + good=$(obj_to_file HEAD:content.t) && + blob=$(echo corrupt | git hash-object -w --stdin) && + bad=$(obj_to_file $blob) && + rm -f "$good" && + mv "$bad" "$good" + ) +' + +test_expect_success 'streaming a corrupt blob fails' ' + ( + cd bit-error && + test_must_fail git cat-file blob HEAD:content.t + ) +' + +test_expect_success 'getting type of a corrupt blob fails' ' + ( + cd bit-error && + test_must_fail git cat-file -s HEAD:content.t + ) +' + +test_expect_success 'read-tree -u detects bit-errors in blobs' ' + ( + cd bit-error && + rm -f content.t && + test_must_fail git read-tree --reset -u HEAD + ) +' + +test_expect_success 'read-tree -u detects missing objects' ' + ( + cd missing && + rm -f content.t && + test_must_fail git read-tree --reset -u HEAD + ) +' + +# We use --bare to make sure that the transport detects it, not the checkout +# phase. +test_expect_success 'clone --no-local --bare detects corruption' ' + test_must_fail git clone --no-local --bare bit-error corrupt-transport +' + +test_expect_success 'clone --no-local --bare detects missing object' ' + test_must_fail git clone --no-local --bare missing missing-transport +' + +test_expect_success 'clone --no-local --bare detects misnamed object' ' + test_must_fail git clone --no-local --bare misnamed misnamed-transport +' + +# We do not expect --local to detect corruption at the transport layer, +# so we are really checking the checkout() code path. +test_expect_success 'clone --local detects corruption' ' + test_must_fail git clone --local bit-error corrupt-checkout +' + +test_expect_success 'error detected during checkout leaves repo intact' ' + test_path_is_dir corrupt-checkout/.git +' + +test_expect_success 'clone --local detects missing objects' ' + test_must_fail git clone --local missing missing-checkout +' + +test_expect_failure 'clone --local detects misnamed objects' ' + test_must_fail git clone --local misnamed misnamed-checkout +' + +test_expect_success 'fetch into corrupted repo with index-pack' ' + cp -R bit-error bit-error-cp && + test_when_finished "rm -rf bit-error-cp" && + ( + cd bit-error-cp && + test_must_fail git -c transfer.unpackLimit=1 \ + fetch ../no-bit-error 2>stderr && + test_i18ngrep ! -i collision stderr + ) +' + +test_expect_success 'internal tree objects are not "missing"' ' + git init missing-empty && + ( + cd missing-empty && + empty_tree=$(git hash-object -t tree /dev/null) && + commit=$(echo foo | git commit-tree $empty_tree) && + git rev-list --objects $commit + ) +' + +test_expect_success 'partial clone of corrupted repository' ' + test_config -C misnamed uploadpack.allowFilter true && + git clone --no-local --no-checkout --filter=blob:none \ + misnamed corrupt-partial && \ + test_must_fail git -C corrupt-partial checkout --force +' + +test_done |