Andrew's git / gitweb.git /
c887dd86b0bacdf8a867e639867c1cacf24454ab
   1#!/bin/sh
   2
   3test_description='see how we handle various forms of corruption'
   4. ./test-lib.sh
   5
   6# convert "1234abcd" to ".git/objects/12/34abcd"
   7obj_to_file() {
   8        echo "$(git rev-parse --git-dir)/objects/$(git rev-parse "$1" | sed 's,..,&/,')"
   9}
  10
  11# Convert byte at offset "$2" of object "$1" into '\0'
  12corrupt_byte() {
  13        obj_file=$(obj_to_file "$1") &&
  14        chmod +w "$obj_file" &&
  15        printf '\0' | dd of="$obj_file" bs=1 seek="$2" conv=notrunc
  16}
  17
  18test_expect_success 'setup corrupt repo' '
  19        git init bit-error &&
  20        (
  21                cd bit-error &&
  22                test_commit content &&
  23                corrupt_byte HEAD:content.t 10
  24        )
  25'
  26
  27test_expect_success 'streaming a corrupt blob fails' '
  28        (
  29                cd bit-error &&
  30                test_must_fail git cat-file blob HEAD:content.t
  31        )
  32'
  33
  34test_done