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140 lines
3.4 KiB
140 lines
3.4 KiB
#!/bin/sh |
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test_description='see how we handle various forms of corruption' |
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. ./test-lib.sh |
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# convert "1234abcd" to ".git/objects/12/34abcd" |
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obj_to_file() { |
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echo "$(git rev-parse --git-dir)/objects/$(git rev-parse "$1" | sed 's,..,&/,')" |
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} |
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# Convert byte at offset "$2" of object "$1" into '\0' |
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corrupt_byte() { |
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obj_file=$(obj_to_file "$1") && |
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chmod +w "$obj_file" && |
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printf '\0' | dd of="$obj_file" bs=1 seek="$2" conv=notrunc |
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} |
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test_expect_success 'setup corrupt repo' ' |
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git init bit-error && |
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( |
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cd bit-error && |
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test_commit content && |
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corrupt_byte HEAD:content.t 10 |
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) && |
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git init no-bit-error && |
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( |
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# distinct commit from bit-error, but containing a |
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# non-corrupted version of the same blob |
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cd no-bit-error && |
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test_tick && |
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test_commit content |
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) |
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' |
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test_expect_success 'setup repo with missing object' ' |
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git init missing && |
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( |
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cd missing && |
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test_commit content && |
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rm -f "$(obj_to_file HEAD:content.t)" |
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) |
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' |
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test_expect_success 'setup repo with misnamed object' ' |
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git init misnamed && |
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( |
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cd misnamed && |
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test_commit content && |
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good=$(obj_to_file HEAD:content.t) && |
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blob=$(echo corrupt | git hash-object -w --stdin) && |
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bad=$(obj_to_file $blob) && |
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rm -f "$good" && |
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mv "$bad" "$good" |
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) |
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' |
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test_expect_success 'streaming a corrupt blob fails' ' |
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( |
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cd bit-error && |
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test_must_fail git cat-file blob HEAD:content.t |
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) |
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' |
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test_expect_success 'getting type of a corrupt blob fails' ' |
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( |
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cd bit-error && |
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test_must_fail git cat-file -s HEAD:content.t |
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) |
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' |
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test_expect_success 'read-tree -u detects bit-errors in blobs' ' |
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( |
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cd bit-error && |
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rm -f content.t && |
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test_must_fail git read-tree --reset -u HEAD |
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) |
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' |
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test_expect_success 'read-tree -u detects missing objects' ' |
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( |
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cd missing && |
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rm -f content.t && |
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test_must_fail git read-tree --reset -u HEAD |
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) |
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' |
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# We use --bare to make sure that the transport detects it, not the checkout |
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# phase. |
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test_expect_success 'clone --no-local --bare detects corruption' ' |
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test_must_fail git clone --no-local --bare bit-error corrupt-transport |
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' |
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test_expect_success 'clone --no-local --bare detects missing object' ' |
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test_must_fail git clone --no-local --bare missing missing-transport |
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' |
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test_expect_success 'clone --no-local --bare detects misnamed object' ' |
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test_must_fail git clone --no-local --bare misnamed misnamed-transport |
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' |
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# We do not expect --local to detect corruption at the transport layer, |
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# so we are really checking the checkout() code path. |
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test_expect_success 'clone --local detects corruption' ' |
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test_must_fail git clone --local bit-error corrupt-checkout |
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' |
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test_expect_success 'error detected during checkout leaves repo intact' ' |
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test_path_is_dir corrupt-checkout/.git |
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' |
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test_expect_success 'clone --local detects missing objects' ' |
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test_must_fail git clone --local missing missing-checkout |
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' |
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test_expect_failure 'clone --local detects misnamed objects' ' |
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test_must_fail git clone --local misnamed misnamed-checkout |
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' |
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test_expect_success 'fetch into corrupted repo with index-pack' ' |
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cp -R bit-error bit-error-cp && |
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test_when_finished "rm -rf bit-error-cp" && |
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( |
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cd bit-error-cp && |
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test_must_fail git -c transfer.unpackLimit=1 \ |
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fetch ../no-bit-error 2>stderr && |
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test_i18ngrep ! -i collision stderr |
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) |
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' |
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test_expect_success 'internal tree objects are not "missing"' ' |
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git init missing-empty && |
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( |
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cd missing-empty && |
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empty_tree=$(git hash-object -t tree /dev/null) && |
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commit=$(echo foo | git commit-tree $empty_tree) && |
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git rev-list --objects $commit |
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) |
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' |
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test_done
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