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When we initialize a SquashFS file system, at the same time we find the
location of all deflate buffers. But for some files that have specific
postfix like gz or zip, we try to find the deflates there again. But, we
should only do this when the SquashFS did not actually compress that
file. Otherwise we're just gonna fail.
BUG=chromium:1050869
TEST=cros_generate_update_payload --image gs://chromeos-releases/dev-channel/eve-kvm/12871.1.0/dlc/pita/package/dlc.img --src_image gs://chromeos-releases/dev-channel/eve-kvm/12861.0.0/dlc/pita/package/dlc.img --output delta.bin --debug --work_dir workdir
TEST=sudo FEATURES=test emerge update_engine
Change-Id: I8b01fb182b88d7ec75dcbfa4c1271caf3bf074fe
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/system/update_engine/+/2076162
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
Commit-Queue: Amin Hassani <ahassani@chromium.org>
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BUG=none
TEST=unittest
Change-Id: I00cafb1fc709d8f02119cb0058cfcb0b573ef25d
Reviewed-on: https://chromium-review.googlesource.com/1409927
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
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Test: mma
Change-Id: Icc49a4ee76f12d302ed18982d334f2f70b7263a8
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This patch adds functionality for generating PUFFDIFF operation, but
since the minor verion has not been increase, it actually does not
generate the operation itself. PUFFDIFF is used for patching deflate
based files.
BUG=chromium:767120
TEST=unittest passes; brillo_update_payload {generate|verify} passes;
CQ-DEPEND=CL:726945
Change-Id: I4ffdac8dce3740ef9fc2156cb0dad83a8364c8b5
Reviewed-on: https://chromium-review.googlesource.com/658298
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Ben Chan <benchan@chromium.org>
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libchromeos is transitioning to libbrillo and chromeos namespaces
and include directory is changing to brillo.
Bug: 24872993
Change-Id: I770659a95be380a50fe3b2ba9f91d65818f40945
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This patch automatically replaced the license on all text files from
Chromium OS (BSD style) to AOSP (Apache2), keeping the original year as
a reference.
The license header was added to .gyp and .gypi files, the NOTICE was
replaced with a copy of the Apache2 license and MODULE_LICENSE_* file
was updated.
BUG=b/23084294
TEST=grep 'Chromium OS Authors' doesn't find anything.
Change-Id: Ie5083750755f5180a8a785b24fe67dbf9195cd10
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The old image contains a /etc/update_engine.conf file that states the
payload version supported by that image. Currently we read this file
directly from the mounted filesystem and parse its contents. To stop
mounting the filesystem we need to retrieve the information on this file
somehow.
This patch extends the FilesystemInterface with a method to load the
update_engine.conf settings from the filesystem and implemets it using
ext2fs on ext2 filesystems.
CQ-DEPED=CL:282380
BUG=chromium:305832
TEST=Added new unittests with and without this file.
Change-Id: I41b41e8aac58c645fb40aabfe340cde8821e405a
Reviewed-on: https://chromium-review.googlesource.com/282381
Reviewed-by: Alex Deymo <deymo@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
Trybot-Ready: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
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The interaction with the filesystem in the payload generation process
is hard-coded in several places, making it hard to mock out or use a
different filesystem like squashfs for delta generation. For example,
the metadata, regular file data and non-file data are handled by three
different functions in a similar way, but with different code.
This patch introcudes a filesystem abstraction to map files or
pseudo-files (like the metadata, free-space, etc) into the same interface.
The interface includes three implementations: for parsing ext2 filesystems
using ext2fs (already used by the metadata parsing but not by the file
data processing), a raw one for monolitic partitions like the kernel
and a fake one used for testing without requiring to build/parse a real
ext2 filesystem.
BUG=chromium:331965
TEST=FEATURES=test emerge-link update_engine
Change-Id: I1e14cf8f3883c8e9a1d471c8193c8da60776aa7c
Reviewed-on: https://chromium-review.googlesource.com/275803
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
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