| #!/bin/sh |
| |
| test_description='see how we handle various forms of corruption' |
| . ./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' ' |
| ( |
| cd bit-error && |
| test_must_fail git -c transfer.unpackLimit=1 \ |
| fetch ../no-bit-error 2>stderr && |
| test_i18ngrep ! -i collision stderr |
| ) |
| ' |
| |
| test_done |