https://github.com/oppiliappan/conversations

nix flake to build conversations.im
https://github.com/oppiliappan/conversations

Last synced: about 2 months ago
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nix flake to build conversations.im

• Host: GitHub
• URL: https://github.com/oppiliappan/conversations
• Owner: oppiliappan
• Created: 2021-08-06T05:26:33.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2021-08-13T07:04:33.000Z (over 3 years ago)
• Last Synced: 2024-10-10T23:41:22.867Z (3 months ago)
• Language: Nix
• Size: 48.8 KB
• Stars: 3
• Watchers: 4
• Forks: 4
• Open Issues: 0
• Metadata Files:
  • Readme: readme.md

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README

        
## Android on Nix

This repo summarizes my several attempts at packaging

android applications as nix flakes:

- [sphinx-style](./sphinx-style): replicating the

  androsphinx nix flake, that uses a fork of

  [gradle2nix](https://github.com/tadfisher/gradle2nix)

- [statsim-style](./statusim-style): replicating the [nix workflow at status-im](https://github.com/status-im/status-react/tree/develop/nix#readme)

- [tadfisher-style](./tadfisher-style): replicating [this gist](https://gist.github.com/tadfisher/17000caf8653019a9a98fd9b9b921d93) by tadfisher

All attempts were unsuccessful with semi-complex

application configurations that use any of the following:

 - subprojects

 - gradle build configurations

 - buildscript dependencies

 - custom maven repositories (tend to lack a

   `maven-metadata.xml`)

### Conversations.im specific nits

The Conversations application vendors in `libwebrtc` because

it is not provided as a consumable library via a maven

repository. Build instructions suggest downloading the

`.aar` file and placing it inside `/libs`. To side step

this, make use of the following patch that fetches

`libwebrtc` from an unofficial maven repo:

```diff

20a21,23

>     maven {

>         url 'https://raw.github.com/abdularis/libwebrtc-android/repo/'

>     }

36a40

>     implementation 'com.aar.app:google-webrtc:M83'

81d84

<     implementation fileTree(include: ['libwebrtc-m90.aar'], dir: 'libs')

293d295

< 

```

Entering a nix-shell with the android sdk and gradle should

now allow you to build the application with:

```

./gradlew assembleConversationsFreeSystemDebug

```

### General notes

- all project sources are loaded from local directories, a

  local copy of `build.gradle` is required to run any form

  of gradle locking + SHA calculation

- gradle v7 has an internal lock mechanism but unlike

  tools like `cargo` or `yarn`, lock files aren't as useful

  because `gradle` further resolves these dependencies into

  "artifacts". Additionally, `gradle` gives projects the

  ability to modify this resolution process (resolution

  strategies, dependency substitution, module replacement),

  making it pretty complex to replicate in nix

- there exists a `androidenv.buildApp` in nixpkgs, this

  works only for ANT based android projects. The utility to

  convert gradle projects to ANT android projects has been

  deprecated by google