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Robotnix

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Build Android (AOSP) using Nix | https://github.com/danielfullmer/robotnix73 Servers

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2 Jan 2025
@oak:universumi.fioak 🏳️‍🌈♥️It looks like you just need to unzip the GApps bundle, and copy some files to right places during the build17:25:42
@oak:universumi.fioak 🏳️‍🌈♥️and remove few apps from the build if you don't want to have two Contacts, Calendar, etc. apps17:27:13
@atemu12:matrix.orgatemu12I'm sure there's a pre-made vendor/gapps module somewhere17:27:36
@countoren:matrix.orgcountorendo we have way right now to change init.rc on the device?18:50:42
@countoren:matrix.orgcountorenfrom a module in robotnix?18:50:58
@atemu12:matrix.orgatemu12I'm sure there is19:02:16
@atemu12:matrix.orgatemu12But not from robotnix itself19:02:32
@oak:universumi.fioak 🏳️‍🌈♥️You could patch how the init.rc is being built from the source files20:25:30
@oak:universumi.fioak 🏳️‍🌈♥️IIRC init.rc or at least some of those configuration files are generated by combining mulitple source files from Android source tree20:27:32
@atemu12:matrix.orgatemu12Generally with most of this stuff the answer is yes because all we really do is wrap the AOSP build process in a Nix drv20:28:11
@atemu12:matrix.orgatemu12You first gotta figure out how to do it with AOSP and then just inject that declaratively via robotnix20:28:31
@countoren:matrix.orgcountorenyes that will be one way, but if you would like to add custom configurations/services we might want something like robotnix.rc that will be written from the expression directly20:30:13
@atemu12:matrix.orgatemu12Sure, feel free20:30:34
@atemu12:matrix.orgatemu12to build that20:30:39
@countoren:matrix.orgcountorenI might go to this direction20:30:59
@atemu12:matrix.orgatemu12There's precedent for stuff like this in e.g. the webviews20:31:01
@countoren:matrix.orgcountorennot 100% sure20:31:05
@atemu12:matrix.orgatemu12Or system APK handling20:31:10
@atemu12:matrix.orgatemu12I'd recommend you try to do it via a Magisk overlay first though for quicker iteration20:31:35
@countoren:matrix.orgcountorenthe cool thing about that you will be able to cross compile you own services if you want and just run them from robotnix.rc20:32:21
@oak:universumi.fioak 🏳️‍🌈♥️Usually with Android it's not that easy, or I mean you need to provide build scripts on how to build the thing as part of the Android tree20:33:29
@countoren:matrix.orgcountorenat work for me it was as straightforward as that20:34:13
@countoren:matrix.orgcountorenand I am able to access wifi, serial from the service without any other config20:34:58
@countoren:matrix.orgcountorenusing crossPkgs, pkgsStatic20:36:03
@oak:universumi.fioak 🏳️‍🌈♥️Properly packaging a native low-level Linux-daemon for Android is a process which involves multiple kinds of steps, for example you need to provide the necessary SELinux policy in addition to other things20:36:26
@countoren:matrix.orgcountorenyes we had to do that too20:37:13
@oak:universumi.fioak 🏳️‍🌈♥️Builds done with pkgsStatic won't use the Android's bionic libc, but instead something that is provided by nixpkgs, statically built into the binary20:37:52
@atemu12:matrix.orgatemu12nix-daemon when?20:38:23
@countoren:matrix.orgcountorenyep20:38:51
@oak:universumi.fioak 🏳️‍🌈♥️For quick hacking that is probably fine, but if you want to properly package software for Android System then it should be built as part of the Android tree20:39:10

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