Change build version in target_files

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Vladimir Belousov

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May 28, 2020, 6:32:45 AM5/28/20
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Hi, we building an Android 10 using Jenkins. My task is as follows: after the build, I get target_files (let's say version 1.1). I want to get a full copy of these target_files but with a different version of the build without restarting the build (let's say 1.2). This can be done? The task is exactly this: from the original target_files to get their full copy, but so that the copy already has a different version (through the replacement of Build.prop or some other files). Why this is done (there is probably a normal solution, but we did not come up with it): when we update the device to version 1.1 we want to make sure that this update doesn't break update_engine. To do this, we create a "fake version" with the following number (1.2) and re-update the device. If everything works correctly, we can use version 1.1

Wesolowski, Krzysztof

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May 28, 2020, 7:16:45 PM5/28/20
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You can replace files in targetfiles.zip and then rebuild them / create ota. See what sign_target_files_apks.py is actually doing.

BR, K

From: android-...@googlegroups.com <android-...@googlegroups.com> on behalf of Vladimir Belousov <sovm...@gmail.com>
Sent: Thursday, May 28, 2020 06:11
To: Android Building <android-...@googlegroups.com>
Subject: [android-building] Change build version in target_files
 
Hi, we building an Android 10 using Jenkins.  My task is as follows: after the build, I get target_files (let's say version 1.1).  I want to get a full copy of these target_files but with a different version of the build without restarting the build (let's say 1.2).  This can be done?  The task is exactly this: from the original target_files to get their full copy, but so that the copy already has a different version (through the replacement of Build.prop or some other files).  Why this is done (there is probably a normal solution, but we did not come up with it): when we update the device to version 1.1 we want to make sure that this update doesn't break update_engine. To do this, we create a "fake version" with the following number (1.2) and re-update the device.  If everything works correctly, we can use version 1.1

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Vladimir Belousov

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May 29, 2020, 11:19:15 AM5/29/20
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Thanks, that’s what I’m trying to do. Tell me, please, will it be enough to modify the System/build.prop file? I found various other files where the build version was stored.

Wesolowski, Krzysztof

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Jun 4, 2020, 4:59:06 PM6/4/20
to Android Building
Not remember perfectly, I think we needed to go through build.prop, default.prop, and do it for both vendor and system partitions. In general "grep -R tour-prop" in /out folder to be sure.

BR, K.


Sent: Friday, May 29, 2020 09:22
To: Android Building <android-...@googlegroups.com>
Subject: Re: [android-building] Change build version in target_files
 
Thanks, that’s what I’m trying to do.  Tell me, please, will it be enough to modify the System/build.prop file?  I found various other files where the build version was stored.

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