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This change is part of a topic that moves the recovery resources from the
system partition to the vendor partition, if it exists, or the vendor directory
on the system partition otherwise. The recovery resources are moving from the
system image to the vendor partition so that a single system image may be used
with either an A/B or a non-A/B vendor image. The topic removes a delta in the
system image that prevented such reuse in the past.
The recovery resources that are moving are involved with updating the recovery
partition after an update. In a non-A/B configuration, the system boots from
the recovery partition, updates the other partitions (system, vendor, etc.)
Then, the next time the system boots normally, a script updates the recovery
partition (if necessary). This script, the executables it invokes, and the data
files that it uses were previously on the system partition. The resources that
are moving include the following.
* install-recovery.sh
* applypatch
* recovery-resource.dat (if present)
* recovery-from-boot.p (if present)
This makes the applypatch executable a vendor module.
This change supports making dependencies of the applypatch executable available
to applypatch, which is now on vendor.
Since install-recovery.sh is now a vendor service, we add the
applypatch/vendor_flash_recovery.rc file to /vendor/etc/init to start the
service.
Bug: 68319577
Test: Ensure that recovery partition is updated correctly.
Change-Id: I01c0800ee6078aa6c9d716d5f154ad2d63c7af84
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Prior to this CL, applypatch was the only user of libbrotli.so and
libbz.so (update_engine and puffin have been using the static versions).
This CL switches applypatch to their static versions to save space in
/system.
Sizes prior to the change (aosp_taimen-userdebug):
/system/bin/applypatch 91296
/system/lib64/libbrotli.so 688536
/system/lib64/libbz.so 79560
After:
/system/bin/applypatch 272368
Test: `m dist`
Test: Check the built blueline-userdebug target. libbrotli.so and
libbz.so are not installed.
Change-Id: I08422a0d5a287bbac69aa9f6cfd9c97e5b2e9078
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Tested by running recovery_unit_test as described in
https://android.googlesource.com/platform/bootable/recovery/+/refs/heads/master/README.md
Attempted to build and boot a recovery image with the
same change to confirm it still works, but
m recoveryimage-nodeps
fails for me.
Bug: 140940227
Test: See above
Change-Id: I00545968a0e5684823e505f2ddbe7e993319b5d4
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Stop building libimgpatch as it's merely a subset of libapplypatch.
Test: unit tests pass
Change-Id: I0735ec053344404434a50e53a36e3f55964c2e4f
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Stop building libimgdiff on device because we are only running
patching there.
Test: unit tests pass
Change-Id: I4225c6b52a536617301a64c405e325799a303b40
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Now it's less beneficial to inject I/O faults since we don't see many of
them. Remove the library that mocks I/O failures. And switch to android::base
I/O when possible.
Bug: 113032079
Test: unit tests pass
Change-Id: I9f2a92b7ba80f4da6ff9e2abc27f2680138f942c
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The sdk_mac on build server fails with the error:
bootable/recovery/applypatch/freecache.cpp:23:10: fatal error: 'sys/statfs.h' file not found
So we will disable libapplypatch on mac.
Test: the library still builds on linux; and check the other host targets in the same cl.
Change-Id: Ie4a30708726e51c810f7ad7f1085d38154076cca
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When running the update simulation, we choose to skip the cache size
check for now due to the lack of "/cache" on host. And in later cls we
can implement a cache size estimator to make the check more constrained.
Also build the host version of support libraries.
Test: unit test pass
Change-Id: I3ed93c857fd02f7b62f5baba9130f75c3236e717
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libbrotli is now used in libbspatch.
Bug: 34220646
Test: mma
Change-Id: I8d3527141539ffdae112d9042355fd705caeb250
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Bug: 34220646
Test: mma
Change-Id: If00285943fff8226f1bc7239db5570a277739904
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Since it has grown much larger, users of the header shouldn't compile
and carry their full copies.
Also add missing header includes in imgdiff.cpp and imgdiff_test.cpp.
Test: mmma bootable/recovery
Test: recovery_unit_test; recovery_component_test; recovery_host_test
Change-Id: I88ca54171765e5606ab0d61580fbc1ada578fd7d
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Test: mmma bootable/recovery
Change-Id: Ie163aff1c4c2b3b15bb705825779ada6bc38ad67
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