#!/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="$2" conv=notrunc } test_expect_success 'setup corrupt repo' ' git init bit-error && ( cd bit-error && test_commit content && corrupt_byte HEAD:content.t 10 ) ' test_expect_success 'setup repo with missing object' ' git init missing && ( cd missing && test_commit content && rm -f "$(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 '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_done