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Commit 4d0bfb4f authored by Doug Zongker's avatar Doug Zongker
Browse files

remove unused xdelta3/xz utilities 

This was part of the original block-based OTA mechanism.

Bug: 16987495
Change-Id: I5bd6599829ee6084a8da1f0b14af87aabf07c130
parent 5f9c28ca

core/Makefile

+0 −2
Original line number Diff line number Diff line
@@ -1242,8 +1242,6 @@ DISTTOOLS := $(HOST_OUT_EXECUTABLES)/minigzip \ 
	  $(HOST_OUT_EXECUTABLES)/make_ext4fs \

	  $(HOST_OUT_EXECUTABLES)/simg2img \

	  $(HOST_OUT_EXECUTABLES)/e2fsck \

	  $(HOST_OUT_EXECUTABLES)/xdelta3 \

	  $(HOST_OUT_EXECUTABLES)/syspatch_host \

	  $(HOST_OUT_EXECUTABLES)/build_verity_tree \

	  $(HOST_OUT_EXECUTABLES)/verity_signer \

	  $(HOST_OUT_EXECUTABLES)/append2simg \

tools/releasetools/common.py

+0 −25
Original line number Diff line number Diff line
@@ -1037,31 +1037,6 @@ def ParseCertificate(data): 
  cert = "".join(cert).decode('base64')

  return cert



def XDelta3(source_path, target_path, output_path):

  diff_program = ["xdelta3", "-0", "-B", str(64<<20), "-e", "-f", "-s"]

  diff_program.append(source_path)

  diff_program.append(target_path)

  diff_program.append(output_path)

  p = Run(diff_program, stdin=subprocess.PIPE, stdout=subprocess.PIPE)

  p.communicate()

  assert p.returncode == 0, "Couldn't produce patch"



def XZ(path):

  compress_program = ["xz", "-zk", "-9", "--check=crc32"]

  compress_program.append(path)

  p = Run(compress_program, stdin=subprocess.PIPE, stdout=subprocess.PIPE)

  p.communicate()

  assert p.returncode == 0, "Couldn't compress patch"



def MakePartitionPatch(source_file, target_file, partition):

  with tempfile.NamedTemporaryFile() as output_file:

    XDelta3(source_file.name, target_file.name, output_file.name)

    XZ(output_file.name)

    with open(output_file.name + ".xz") as patch_file:

      patch_data = patch_file.read()

      os.unlink(patch_file.name)

      return File(partition + ".muimg.p", patch_data)



def MakeRecoveryPatch(input_dir, output_sink, recovery_img, boot_img,

                      info_dict=None):

  """Generate a binary patch that creates the recovery image starting