blob: 2812c207edcd71e38a126426f273d50b04f73eaf [file] [log] [blame]
#!/usr/bin/env python
# Copyright (C) 2008 The Android Open Source Project
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# See the License for the specific language governing permissions and
# limitations under the License.
Given a target-files zipfile, produces an OTA package that installs
that build. An incremental OTA is produced if -i is given, otherwise
a full OTA is produced.
Usage: ota_from_target_files [flags] input_target_files output_ota_package
-b (--board_config) <file>
-k (--package_key) <key> Key to use to sign the package (default is
the value of default_system_dev_certificate from the input
target-files's META/misc_info.txt, or
"build/target/product/security/testkey" if that value is not
For incremental OTAs, the default value is based on the source
target-file, not the target build.
-i (--incremental_from) <file>
Generate an incremental OTA using the given target-files zip as
the starting build.
-w (--wipe_user_data)
Generate an OTA package that will wipe the user data partition
when installed.
-n (--no_prereq)
Omit the timestamp prereq check normally included at the top of
the build scripts (used for developer OTA packages which
legitimately need to go back and forth).
-e (--extra_script) <file>
Insert the contents of file at the end of the update script.
-a (--aslr_mode) <on|off>
Specify whether to turn on ASLR for the package (on by default).
--backup <boolean>
Enable or disable the execution of
Disabled by default.
--override_device <device>
Override device-specific asserts. Can be a comma-separated list.
import sys
if sys.hexversion < 0x02040000:
print >> sys.stderr, "Python 2.4 or newer is required."
import copy
import errno
import os
import re
import subprocess
import tempfile
import time
import zipfile
from hashlib import sha1 as sha1
except ImportError:
from sha import sha as sha1
import common
import edify_generator
OPTIONS.package_key = None
OPTIONS.incremental_source = None
OPTIONS.require_verbatim = set()
OPTIONS.prohibit_verbatim = set(("system/build.prop",))
OPTIONS.patch_threshold = 0.95
OPTIONS.wipe_user_data = False
OPTIONS.omit_prereq = False
OPTIONS.extra_script = None
OPTIONS.aslr_mode = True
OPTIONS.worker_threads = 3
OPTIONS.backuptool = False
OPTIONS.override_device = 'auto'
def MostPopularKey(d, default):
"""Given a dict, return the key corresponding to the largest
value. Returns 'default' if the dict is empty."""
x = [(v, k) for (k, v) in d.iteritems()]
if not x: return default
return x[-1][1]
def IsSymlink(info):
"""Return true if the zipfile.ZipInfo object passed in represents a
return (info.external_attr >> 16) & 0770000 == 0120000
def IsRegular(info):
"""Return true if the zipfile.ZipInfo object passed in represents a
return (info.external_attr >> 28) == 010
def ClosestFileMatch(src, tgtfiles, existing):
"""Returns the closest file match between a source file and list
of potential matches. The exact filename match is preferred,
then the sha1 is searched for, and finally a file with the same
basename is evaluated. Rename support in the updater-binary is
required for the latter checks to be used."""
result = tgtfiles.get("path:" +
if result is not None:
return result
if not OPTIONS.target_info_dict.get("update_rename_support", False):
return None
if src.size < 1000:
return None
result = tgtfiles.get("sha1:" + src.sha1)
if result is not None and existing.get( is None:
return result
result = tgtfiles.get("file:" +"/")[-1])
if result is not None and existing.get( is None:
return result
return None
class Item:
"""Items represent the metadata (user, group, mode) of files and
directories in the system image."""
ITEMS = {}
def __init__(self, name, dir=False): = name
self.uid = None
self.gid = None
self.mode = None
self.selabel = None
self.capabilities = None
self.dir = dir
if name:
self.parent = Item.Get(os.path.dirname(name), dir=True)
self.parent = None
if dir:
self.children = []
def Dump(self, indent=0):
if self.uid is not None:
print "%s%s %d %d %o" % (" "*indent,, self.uid, self.gid, self.mode)
print "%s%s %s %s %s" % (" "*indent,, self.uid, self.gid, self.mode)
if self.dir:
print "%s%s" % (" "*indent, self.descendants)
print "%s%s" % (" "*indent, self.best_subtree)
for i in self.children:
def Get(cls, name, dir=False):
if name not in cls.ITEMS:
cls.ITEMS[name] = Item(name, dir=dir)
return cls.ITEMS[name]
def GetMetadata(cls, input_zip):
# The target_files contains a record of what the uid,
# gid, and mode are supposed to be.
output ="META/filesystem_config.txt")
for line in output.split("\n"):
if not line: continue
columns = line.split()
name, uid, gid, mode = columns[:4]
selabel = None
capabilities = None
# After the first 4 columns, there are a series of key=value
# pairs. Extract out the fields we care about.
for element in columns[4:]:
key, value = element.split("=")
if key == "selabel":
selabel = value
if key == "capabilities":
capabilities = value
i = cls.ITEMS.get(name, None)
if i is not None:
i.uid = int(uid)
i.gid = int(gid)
i.mode = int(mode, 8)
i.selabel = selabel
i.capabilities = capabilities
if i.dir:
i.children.sort(key=lambda i:
# set metadata for the files generated by this script.
i = cls.ITEMS.get("system/recovery-from-boot.p", None)
if i: i.uid, i.gid, i.mode, i.selabel, i.capabilities = 0, 0, 0644, None, None
i = cls.ITEMS.get("system/etc/", None)
if i: i.uid, i.gid, i.mode, i.selabel, i.capabilities = 0, 0, 0544, None, None
def CountChildMetadata(self):
"""Count up the (uid, gid, mode, selabel, capabilities) tuples for
all children and determine the best strategy for using set_perm_recursive and
set_perm to correctly chown/chmod all the files to their desired
values. Recursively calls itself for all descendants.
Returns a dict of {(uid, gid, dmode, fmode, selabel, capabilities): count} counting up
all descendants of this node. (dmode or fmode may be None.) Also
sets the best_subtree of each directory Item to the (uid, gid,
dmode, fmode, selabel, capabilities) tuple that will match the most
descendants of that Item.
assert self.dir
d = self.descendants = {(self.uid, self.gid, self.mode, None, self.selabel, self.capabilities): 1}
for i in self.children:
if i.dir:
for k, v in i.CountChildMetadata().iteritems():
d[k] = d.get(k, 0) + v
k = (i.uid, i.gid, None, i.mode, i.selabel, i.capabilities)
d[k] = d.get(k, 0) + 1
# Find the (uid, gid, dmode, fmode, selabel, capabilities)
# tuple that matches the most descendants.
# First, find the (uid, gid) pair that matches the most
# descendants.
ug = {}
for (uid, gid, _, _, _, _), count in d.iteritems():
ug[(uid, gid)] = ug.get((uid, gid), 0) + count
ug = MostPopularKey(ug, (0, 0))
# Now find the dmode, fmode, selabel, and capabilities that match
# the most descendants with that (uid, gid), and choose those.
best_dmode = (0, 0755)
best_fmode = (0, 0644)
best_selabel = (0, None)
best_capabilities = (0, None)
for k, count in d.iteritems():
if k[:2] != ug: continue
if k[2] is not None and count >= best_dmode[0]: best_dmode = (count, k[2])
if k[3] is not None and count >= best_fmode[0]: best_fmode = (count, k[3])
if k[4] is not None and count >= best_selabel[0]: best_selabel = (count, k[4])
if k[5] is not None and count >= best_capabilities[0]: best_capabilities = (count, k[5])
self.best_subtree = ug + (best_dmode[1], best_fmode[1], best_selabel[1], best_capabilities[1])
return d
def SetPermissions(self, script):
"""Append set_perm/set_perm_recursive commands to 'script' to
set all permissions, users, and groups for the tree of files
rooted at 'self'."""
def recurse(item, current):
# current is the (uid, gid, dmode, fmode, selabel, capabilities) tuple that the current
# item (and all its children) have already been set to. We only
# need to issue set_perm/set_perm_recursive commands if we're
# supposed to be something different.
if item.dir:
if current != item.best_subtree:
script.SetPermissionsRecursive("/", *item.best_subtree)
current = item.best_subtree
if item.uid != current[0] or item.gid != current[1] or \
item.mode != current[2] or item.selabel != current[4] or \
item.capabilities != current[5]:
script.SetPermissions("/", item.uid, item.gid,
item.mode, item.selabel, item.capabilities)
for i in item.children:
recurse(i, current)
if item.uid != current[0] or item.gid != current[1] or \
item.mode != current[3] or item.selabel != current[4] or \
item.capabilities != current[5]:
script.SetPermissions("/", item.uid, item.gid,
item.mode, item.selabel, item.capabilities)
recurse(self, (-1, -1, -1, -1, None, None))
def CopySystemFiles(input_zip, output_zip=None,
"""Copies files underneath system/ in the input zip to the output
zip. Populates the Item class with their metadata, and returns a
list of symlinks. output_zip may be None, in which case the copy is
skipped (but the other side effects still happen). substitute is an
optional dict of {output filename: contents} to be output instead of
certain input files.
symlinks = []
for info in input_zip.infolist():
if info.filename.startswith("SYSTEM/"):
basefilename = info.filename[7:]
if IsSymlink(info):
"/system/" + basefilename))
info2 = copy.copy(info)
fn = info2.filename = "system/" + basefilename
if substitute and fn in substitute and substitute[fn] is None:
if output_zip is not None:
if substitute and fn in substitute:
data = substitute[fn]
data =
output_zip.writestr(info2, data)
if fn.endswith("/"):
Item.Get(fn[:-1], dir=True)
Item.Get(fn, dir=False)
return symlinks
def SignOutput(temp_zip_name, output_zip_name):
key_passwords = common.GetKeyPasswords([OPTIONS.package_key])
pw = key_passwords[OPTIONS.package_key]
common.SignFile(temp_zip_name, output_zip_name, OPTIONS.package_key, pw,
def AppendAssertions(script, info_dict):
if OPTIONS.override_device == "auto":
device = GetBuildProp("ro.product.device", info_dict)
device = OPTIONS.override_device
# script.AssertDevice(device)
def MakeRecoveryPatch(input_tmp, output_zip, recovery_img, boot_img):
"""Generate a binary patch that creates the recovery image starting
with the boot image. (Most of the space in these images is just the
kernel, which is identical for the two, so the resulting patch
should be efficient.) Add it to the output zip, along with a shell
script that is run from init.rc on first boot to actually do the
patching and install the new recovery image.
recovery_img and boot_img should be File objects for the
corresponding images. info should be the dictionary returned by
common.LoadInfoDict() on the input target_files.
Returns an Item for the shell script, which must be made
diff_program = ["imgdiff"]
path = os.path.join(input_tmp, "SYSTEM", "etc", "recovery-resource.dat")
if os.path.exists(path):
bonus_args = "-b /system/etc/recovery-resource.dat"
bonus_args = ""
d = common.Difference(recovery_img, boot_img, diff_program=diff_program)
_, _, patch = d.ComputePatch()
common.ZipWriteStr(output_zip, "recovery/recovery-from-boot.p", patch)
Item.Get("system/recovery-from-boot.p", dir=False)
boot_type, boot_device = common.GetTypeAndDevice("/boot", OPTIONS.info_dict)
recovery_type, recovery_device = common.GetTypeAndDevice("/recovery", OPTIONS.info_dict)
sh = """#!/system/bin/sh
if ! applypatch -c %(recovery_type)s:%(recovery_device)s:%(recovery_size)d:%(recovery_sha1)s; then
log -t recovery "Installing new recovery image"
applypatch %(bonus_args)s %(boot_type)s:%(boot_device)s:%(boot_size)d:%(boot_sha1)s %(recovery_type)s:%(recovery_device)s %(recovery_sha1)s %(recovery_size)d %(boot_sha1)s:/system/recovery-from-boot.p
log -t recovery "Recovery image already installed"
""" % { 'boot_size': boot_img.size,
'boot_sha1': boot_img.sha1,
'recovery_size': recovery_img.size,
'recovery_sha1': recovery_img.sha1,
'boot_type': boot_type,
'boot_device': boot_device,
'recovery_type': recovery_type,
'recovery_device': recovery_device,
'bonus_args': bonus_args,
common.ZipWriteStr(output_zip, "recovery/etc/", sh)
return Item.Get("system/etc/", dir=False)
def WriteFullOTAPackage(input_zip, output_zip):
# TODO: how to determine this? We don't know what version it will
# be installed on top of. For now, we expect the API just won't
# change very often.
script = edify_generator.EdifyGenerator(3, OPTIONS.info_dict)
metadata = {"post-build": GetBuildProp("",
"pre-device": GetBuildProp("ro.product.device",
"post-timestamp": GetBuildProp("",
device_specific = common.DeviceSpecificParams(
#if not OPTIONS.omit_prereq:
# ts = GetBuildProp("", OPTIONS.info_dict)
# ts_text = GetBuildProp("", OPTIONS.info_dict)
# script.AssertOlderBuild(ts, ts_text)
#AppendAssertions(script, OPTIONS.info_dict)
if OPTIONS.backuptool:
script.ShowProgress(0.5, 0)
if OPTIONS.wipe_user_data:
if "selinux_fc" in OPTIONS.info_dict:
WritePolicyConfig(OPTIONS.info_dict["selinux_fc"], output_zip)
#script.UnpackPackageDir("recovery", "/system")
script.UnpackPackageDir("system", "/system")
symlinks = CopySystemFiles(input_zip, output_zip)
boot_img = common.GetBootableImage("boot.img", "boot.img",
OPTIONS.input_tmp, "BOOT")
#recovery_img = common.GetBootableImage("recovery.img", "recovery.img",
# OPTIONS.input_tmp, "RECOVERY")
#MakeRecoveryPatch(OPTIONS.input_tmp, output_zip, recovery_img, boot_img)
common.CheckSize(, "boot.img", OPTIONS.info_dict)
common.ZipWriteStr(output_zip, "boot.img",
script.ShowProgress(0.2, 0)
if OPTIONS.backuptool:
script.ShowProgress(0.2, 10)
script.ShowProgress(0.2, 10)
script.WriteRawImage("/boot", "boot.img")
script.ShowProgress(0.1, 0)
if OPTIONS.extra_script is not None:
script.AddToZip(input_zip, output_zip)
WriteMetadata(metadata, output_zip)
def WritePolicyConfig(file_context, output_zip):
f = open(file_context, 'r');
basename = os.path.basename(file_context)
common.ZipWriteStr(output_zip, basename,
def WriteMetadata(metadata, output_zip):
common.ZipWriteStr(output_zip, "META-INF/com/android/metadata",
"".join(["%s=%s\n" % kv
for kv in sorted(metadata.iteritems())]))
def LoadSystemFiles(z):
"""Load all the files from SYSTEM/... in a given target-files
ZipFile, and return a dict of {filename: File object}."""
out = {}
for info in z.infolist():
if info.filename.startswith("SYSTEM/") and not IsSymlink(info):
basefilename = info.filename[7:]
fn = "system/" + basefilename
data =
out[fn] = common.File(fn, data)
return out
def GetBuildProp(prop, info_dict):
"""Return the fingerprint of the build of a given target-files info_dict."""
return info_dict.get("build.prop", {})[prop]
except KeyError:
raise common.ExternalError("couldn't find %s in build.prop" % (property,))
def WriteIncrementalOTAPackage(target_zip, source_zip, output_zip):
source_version = OPTIONS.source_info_dict["recovery_api_version"]
target_version = OPTIONS.target_info_dict["recovery_api_version"]
if source_version == 0:
print ("WARNING: generating edify script for a source that "
"can't install it.")
script = edify_generator.EdifyGenerator(source_version,
metadata = {"pre-device": GetBuildProp("ro.product.device",
"post-timestamp": GetBuildProp("",
device_specific = common.DeviceSpecificParams(
print "Loading target..."
target_data = LoadSystemFiles(target_zip)
print "Loading source..."
source_data = LoadSystemFiles(source_zip)
verbatim_targets = []
patch_list = []
diffs = []
renames = {}
largest_source_size = 0
matching_file_cache = {}
for fn in source_data.keys():
sf = source_data[fn]
assert fn ==
matching_file_cache["path:" + fn] = sf
# Only allow eligability for filename/sha matching
# if there isn't a perfect path match.
if target_data.get( is None:
matching_file_cache["file:" + fn.split("/")[-1]] = sf
matching_file_cache["sha:" + sf.sha1] = sf
for fn in sorted(target_data.keys()):
tf = target_data[fn]
assert fn ==
sf = ClosestFileMatch(tf, matching_file_cache, renames)
if sf is not None and !=
print "File has moved from " + + " to " +
renames[] = tf
if sf is None or fn in OPTIONS.require_verbatim:
# This file should be included verbatim
if fn in OPTIONS.prohibit_verbatim:
raise common.ExternalError("\"%s\" must be sent verbatim" % (fn,))
print "send", fn, "verbatim"
verbatim_targets.append((fn, tf.size))
elif tf.sha1 != sf.sha1:
# File is different; consider sending as a patch
diffs.append(common.Difference(tf, sf))
# Target file data identical to source (may still be renamed)
for diff in diffs:
tf, sf, d = diff.GetPatch()
if d is None or len(d) > tf.size * OPTIONS.patch_threshold:
# patch is almost as big as the file; don't bother patching
verbatim_targets.append((, tf.size))
common.ZipWriteStr(output_zip, "patch/" + + ".p", d)
patch_list.append((, tf, sf, tf.size, common.sha1(d).hexdigest()))
largest_source_size = max(largest_source_size, sf.size)
source_fp = GetBuildProp("", OPTIONS.source_info_dict)
target_fp = GetBuildProp("", OPTIONS.target_info_dict)
metadata["pre-build"] = source_fp
metadata["post-build"] = target_fp
script.AssertSomeFingerprint(source_fp, target_fp)
source_boot = common.GetBootableImage(
"/tmp/boot.img", "boot.img", OPTIONS.source_tmp, "BOOT",
target_boot = common.GetBootableImage(
"/tmp/boot.img", "boot.img", OPTIONS.target_tmp, "BOOT")
updating_boot = ( !=
#source_recovery = common.GetBootableImage(
# "/tmp/recovery.img", "recovery.img", OPTIONS.source_tmp, "RECOVERY",
# OPTIONS.source_info_dict)
#target_recovery = common.GetBootableImage(
# "/tmp/recovery.img", "recovery.img", OPTIONS.target_tmp, "RECOVERY")
updating_recovery = ( !=
# Here's how we divide up the progress bar:
# 0.1 for verifying the start state (PatchCheck calls)
# 0.8 for applying patches (ApplyPatch calls)
# 0.1 for unpacking verbatim files, symlinking, and doing the
# device-specific commands.
AppendAssertions(script, OPTIONS.target_info_dict)
script.Print("Verifying current system...")
script.ShowProgress(0.1, 0)
total_verify_size = float(sum([i[2].size for i in patch_list]) + 1)
if updating_boot:
total_verify_size += source_boot.size
so_far = 0
for fn, tf, sf, size, patch_sha in patch_list:
script.PatchCheck("/"+fn, tf.sha1, sf.sha1)
so_far += sf.size
script.SetProgress(so_far / total_verify_size)
if updating_boot:
d = common.Difference(target_boot, source_boot)
_, _, d = d.ComputePatch()
print "boot target: %d source: %d diff: %d" % (
target_boot.size, source_boot.size, len(d))
common.ZipWriteStr(output_zip, "patch/boot.img.p", d)
boot_type, boot_device = common.GetTypeAndDevice("/boot", OPTIONS.info_dict)
script.PatchCheck("%s:%s:%d:%s:%d:%s" %
(boot_type, boot_device,
source_boot.size, source_boot.sha1,
target_boot.size, target_boot.sha1))
so_far += source_boot.size
script.SetProgress(so_far / total_verify_size)
if patch_list or updating_recovery or updating_boot:
script.Comment("---- start making changes here ----")
if OPTIONS.wipe_user_data:
script.Print("Erasing user data...")
script.Print("Removing unneeded files...")
script.DeleteFiles(["/"+i[0] for i in verbatim_targets] +
["/"+i for i in sorted(source_data)
if i not in target_data and
i not in renames] +
script.ShowProgress(0.8, 0)
total_patch_size = float(sum([i[1].size for i in patch_list]) + 1)
if updating_boot:
total_patch_size += target_boot.size
so_far = 0
script.Print("Patching system files...")
deferred_patch_list = []
for item in patch_list:
fn, tf, sf, size, _ = item
if == "system/build.prop":
script.ApplyPatch("/"+fn, "-", tf.size, tf.sha1, sf.sha1, "patch/"+fn+".p")
so_far += tf.size
script.SetProgress(so_far / total_patch_size)
if updating_boot:
# Produce the boot image by applying a patch to the current
# contents of the boot partition, and write it back to the
# partition.
script.Print("Patching boot image...")
% (boot_type, boot_device,
source_boot.size, source_boot.sha1,
target_boot.size, target_boot.sha1),
target_boot.size, target_boot.sha1,
source_boot.sha1, "patch/boot.img.p")
so_far += target_boot.size
script.SetProgress(so_far / total_patch_size)
print "boot image changed; including."
print "boot image unchanged; skipping."
if updating_recovery:
# Recovery is generated as a patch using both the boot image
# (which contains the same linux kernel as recovery) and the file
# /system/etc/recovery-resource.dat (which contains all the images
# used in the recovery UI) as sources. This lets us minimize the
# size of the patch, which must be included in every OTA package.
# For older builds where recovery-resource.dat is not present, we
# use only the boot image as the source.
MakeRecoveryPatch(OPTIONS.target_tmp, output_zip,
target_recovery, target_boot)
print "recovery image changed; including as patch from boot."
print "recovery image unchanged; skipping."
script.ShowProgress(0.1, 10)
target_symlinks = CopySystemFiles(target_zip, None)
target_symlinks_d = dict([(i[1], i[0]) for i in target_symlinks])
temp_script = script.MakeTemporary()
# Note that this call will mess up the tree of Items, so make sure
# we're done with it.
source_symlinks = CopySystemFiles(source_zip, None)
source_symlinks_d = dict([(i[1], i[0]) for i in source_symlinks])
# Delete all the symlinks in source that aren't in target. This
# needs to happen before verbatim files are unpacked, in case a
# symlink in the source is replaced by a real file in the target.
to_delete = []
for dest, link in source_symlinks:
if link not in target_symlinks_d:
if verbatim_targets:
script.Print("Unpacking new files...")
script.UnpackPackageDir("system", "/system")
#if updating_recovery:
# script.Print("Unpacking new recovery...")
# script.UnpackPackageDir("recovery", "/system")
if len(renames) > 0:
script.Print("Renaming files...")
for src in renames:
print "Renaming " + src + " to " + renames[src].name
script.RenameFile(src, renames[src].name)
script.Print("Symlinks and permissions...")
# Create all the symlinks that don't already exist, or point to
# somewhere different than what we want. Delete each symlink before
# creating it, since the 'symlink' command won't overwrite.
to_create = []
for dest, link in target_symlinks:
if link in source_symlinks_d:
if dest != source_symlinks_d[link]:
to_create.append((dest, link))
to_create.append((dest, link))
script.DeleteFiles([i[1] for i in to_create])
# Now that the symlinks are created, we can set all the
# permissions.
# Do device-specific installation (eg, write radio image).
if OPTIONS.extra_script is not None:
# Patch the build.prop file last, so if something fails but the
# device can still come up, it appears to be the old build and will
# get set the OTA package again to retry.
script.Print("Patching remaining system files...")
for item in deferred_patch_list:
fn, tf, sf, size, _ = item
script.ApplyPatch("/"+fn, "-", tf.size, tf.sha1, sf.sha1, "patch/"+fn+".p")
script.SetPermissions("/system/build.prop", 0, 0, 0644, None, None)
script.AddToZip(target_zip, output_zip)
WriteMetadata(metadata, output_zip)
def main(argv):
def option_handler(o, a):
if o in ("-b", "--board_config"):
pass # deprecated
elif o in ("-k", "--package_key"):
OPTIONS.package_key = a
elif o in ("-i", "--incremental_from"):
OPTIONS.incremental_source = a
elif o in ("-w", "--wipe_user_data"):
OPTIONS.wipe_user_data = True
elif o in ("-n", "--no_prereq"):
OPTIONS.omit_prereq = True
elif o in ("-e", "--extra_script"):
OPTIONS.extra_script = a
elif o in ("-a", "--aslr_mode"):
if a in ("on", "On", "true", "True", "yes", "Yes"):
OPTIONS.aslr_mode = True
OPTIONS.aslr_mode = False
elif o in ("--worker_threads"):
OPTIONS.worker_threads = int(a)
elif o in ("--backup"):
OPTIONS.backuptool = bool(a.lower() == 'true')
elif o in ("--override_device"):
OPTIONS.override_device = a
return False
return True
args = common.ParseOptions(argv, __doc__,
if len(args) != 2:
if OPTIONS.extra_script is not None:
OPTIONS.extra_script = open(OPTIONS.extra_script).read()
print "unzipping target target-files..."
OPTIONS.input_tmp, input_zip = common.UnzipTemp(args[0])
OPTIONS.target_tmp = OPTIONS.input_tmp
OPTIONS.info_dict = common.LoadInfoDict(input_zip)
# If this image was originally labelled with SELinux contexts, make sure we
# also apply the labels in our new image. During building, the "file_contexts"
# is in the out/ directory tree, but for repacking from it's
# in the root directory of the ramdisk.
if "selinux_fc" in OPTIONS.info_dict:
OPTIONS.info_dict["selinux_fc"] = os.path.join(OPTIONS.input_tmp, "BOOT", "RAMDISK",
if OPTIONS.verbose:
print "--- target info ---"
if OPTIONS.device_specific is None:
OPTIONS.device_specific = OPTIONS.info_dict.get("tool_extensions", None)
if OPTIONS.device_specific is not None:
OPTIONS.device_specific = os.path.normpath(OPTIONS.device_specific)
print "using device-specific extensions in", OPTIONS.device_specific
temp_zip_file = tempfile.NamedTemporaryFile()
output_zip = zipfile.ZipFile(temp_zip_file, "w",
if OPTIONS.incremental_source is None:
WriteFullOTAPackage(input_zip, output_zip)
if OPTIONS.package_key is None:
OPTIONS.package_key = OPTIONS.info_dict.get(
print "unzipping source target-files..."
OPTIONS.source_tmp, source_zip = common.UnzipTemp(OPTIONS.incremental_source)
OPTIONS.target_info_dict = OPTIONS.info_dict
OPTIONS.source_info_dict = common.LoadInfoDict(source_zip)
if OPTIONS.package_key is None:
OPTIONS.package_key = OPTIONS.source_info_dict.get(
if OPTIONS.verbose:
print "--- source info ---"
WriteIncrementalOTAPackage(input_zip, source_zip, output_zip)
SignOutput(, args[1])
print "done."
if __name__ == '__main__':
except common.ExternalError, e:
print " ERROR: %s" % (e,)