Check if zlib is compatible.

Add a --zlib_fingerprint flag in delta_generator to check if the zlib of
source image is compatible, and only enable IMGDIFF operation if it is.

Test: Added unittest to check /etc/zlib_fingerprint
Bug: 27156099

Change-Id: Ida346a99430c95cdc8a43e1055d6efa08f07ca25
8 files changed
tree: d525d878feedac223f7d541799bfc63d82fac0ce
  1. binder_bindings/
  2. client_library/
  3. common/
  4. dbus_bindings/
  5. include/
  6. init/
  7. payload_consumer/
  8. payload_generator/
  9. sample_images/
  10. scripts/
  11. update_manager/
  12. update_payload_key/
  13. weaved/
  14. .gitignore
  15. Android.mk
  16. binder_service_android.cc
  17. binder_service_android.h
  18. binder_service_brillo.cc
  19. binder_service_brillo.h
  20. boot_control_android.cc
  21. boot_control_android.h
  22. boot_control_chromeos.cc
  23. boot_control_chromeos.h
  24. boot_control_chromeos_unittest.cc
  25. chrome_browser_proxy_resolver.cc
  26. chrome_browser_proxy_resolver.h
  27. chrome_browser_proxy_resolver_unittest.cc
  28. common_service.cc
  29. common_service.h
  30. common_service_unittest.cc
  31. connection_manager.cc
  32. connection_manager.h
  33. connection_manager_interface.h
  34. connection_manager_unittest.cc
  35. daemon.cc
  36. daemon.h
  37. daemon_state_android.cc
  38. daemon_state_android.h
  39. daemon_state_interface.h
  40. dbus_service.cc
  41. dbus_service.h
  42. dbus_test_utils.h
  43. fake_file_writer.h
  44. fake_p2p_manager.h
  45. fake_p2p_manager_configuration.h
  46. fake_shill_proxy.cc
  47. fake_shill_proxy.h
  48. fake_system_state.cc
  49. fake_system_state.h
  50. generate_pc_file.sh
  51. hardware_android.cc
  52. hardware_android.h
  53. hardware_chromeos.cc
  54. hardware_chromeos.h
  55. image_properties.h
  56. image_properties_android.cc
  57. image_properties_chromeos.cc
  58. libcros_proxy.cc
  59. libcros_proxy.h
  60. libupdate_engine-client-test.pc.in
  61. libupdate_engine-client.pc.in
  62. local_coverage_rate
  63. main.cc
  64. metrics.cc
  65. metrics.h
  66. metrics_utils.cc
  67. metrics_utils.h
  68. metrics_utils_unittest.cc
  69. mock_connection_manager.h
  70. mock_file_writer.h
  71. mock_omaha_request_params.h
  72. mock_p2p_manager.h
  73. mock_payload_state.h
  74. mock_proxy_resolver.h
  75. mock_update_attempter.h
  76. MODULE_LICENSE_APACHE2
  77. NOTICE
  78. omaha_request_action.cc
  79. omaha_request_action.h
  80. omaha_request_action_unittest.cc
  81. omaha_request_params.cc
  82. omaha_request_params.h
  83. omaha_request_params_unittest.cc
  84. omaha_response.h
  85. omaha_response_handler_action.cc
  86. omaha_response_handler_action.h
  87. omaha_response_handler_action_unittest.cc
  88. OWNERS
  89. p2p_manager.cc
  90. p2p_manager.h
  91. p2p_manager_unittest.cc
  92. parcelable_update_engine_status.cc
  93. parcelable_update_engine_status.h
  94. payload_state.cc
  95. payload_state.h
  96. payload_state_interface.h
  97. payload_state_unittest.cc
  98. PRESUBMIT.cfg
  99. proxy_resolver.cc
  100. proxy_resolver.h
  101. real_system_state.cc
  102. real_system_state.h
  103. run_unittests
  104. sample_omaha_v3_response.xml
  105. service_delegate_android_interface.h
  106. service_observer_interface.h
  107. shill_proxy.cc
  108. shill_proxy.h
  109. shill_proxy_interface.h
  110. system_state.h
  111. tar_bunzip2.gypi
  112. test_http_server.cc
  113. testrunner.cc
  114. unittest_key.pem
  115. unittest_key2.pem
  116. update_attempter.cc
  117. update_attempter.h
  118. update_attempter_android.cc
  119. update_attempter_android.h
  120. update_attempter_unittest.cc
  121. update_engine-client.gyp
  122. update_engine.conf
  123. update_engine.gyp
  124. update_engine.rc
  125. update_engine_client.cc
  126. update_engine_client_android.cc
  127. update_metadata.proto
  128. update_status_utils.cc
  129. update_status_utils.h
  130. UpdateEngine.conf
  131. WATCHLISTS
  132. weave_service.cc
  133. weave_service.h
  134. weave_service_factory.cc
  135. weave_service_factory.h
  136. weave_service_interface.h