95 lines
4.5 KiB
Markdown
95 lines
4.5 KiB
Markdown
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# Description
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This document describes how to update Status APK builds for the [F-Droid](https://f-droid.org/) Android application catalogue.
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# Intro
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In simplest terms F-Droid requires a YAML file that defines the steps necessary to create a universal unsigned APK build. This is achieved by submitting a new app versions into the `metadata/im.status.ethereum.yml` file in the [fdroiddata](https://gitlab.com/fdroid/fdroiddata) repository.
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The app builds defined this way run on servers that generate the unsigned APKs using the [fdroidserver](https://gitlab.com/fdroid/fdroidserver) software. The [server setup](https://f-droid.org/en/docs/Build_Server_Setup/) is quite involved but is not necessary unless you want to run your own instance. Normally the applications defines in `fdroiddata` are built by servers maintained by [the F-Droid volunteers](https://f-droid.org/en/contribute/).
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First release of Status app was merged in [fdroid/fdroiddata#7179](https://gitlab.com/fdroid/fdroiddata/-/merge_requests/7179).
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# Adding New Versions
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You can find our configuration file at [`metadata/im.status.ethereum.yml`](https://gitlab.com/fdroid/fdroiddata/-/blob/master/metadata/im.status.ethereum.yml)
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The file defines all the necessary metadata like `SourceCode`, `Website`, or `License`, but the most important key is `Builds`, which looks like this:
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```yml
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Builds:
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- versionName: 1.4.1
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versionCode: 2020070112
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commit: cfb825a11b61d312af8cb5d36686af540c31f481
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sudo:
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- mkdir -m 0755 /nix
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- chown vagrant /nix
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init: ./nix/scripts/setup.sh
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output: ./result/app-release-unsigned.apk
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scanignore:
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- android/build.gradle
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scandelete:
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- ios
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build: make release-android BUILD_TYPE=release BUILD_NUMBER=2020070112 ANDROID_APK_SIGNED=false
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```
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It contains a list of objects defining each release of the application. In order to add a new release simply copy a previous release object and adjust the following values:
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* `versionName` - String version like `1.4.1`
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* `versionCode` - Android `versionCode`. We use a timestamp generated by [a script](../scripts/version/gen_build_no.sh)
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* `commit` - Specific commit SHA1 from which the given release was built
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* `BUILD_NUMBER` in `build` step - Same value as `versionCode`
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The `versionCode` should be the same as the one in build that was uplodade to Play Store. It can be found in the build logs or by using:
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```
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> apkanalyzer manifest version-code StatusIm-v1.4.1.apk
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2020070112
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```
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At the bottom of the file you should also update the following keys:
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* `CurrentVersion` - Same as the new `versionName` added
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* `CurrentVersionCode` - Same as the `versionCode` added
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Then submit a merge request to the [fdroid/fdroiddata](https://gitlab.com/fdroid/fdroiddata) repository.
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# Checking Builds
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The simplest way to test if the app builds via F-Droid is to use the Docker image:
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https://gitlab.com/fdroid/docker-executable-fdroidserver
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Which is available under `registry.gitlab.com/fdroid/docker-executable-fdroidserver:latest`.
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Because we use Nix to build the mobile app we need to slightly modify the image with this `Dockerfile`:
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```Dockerfile
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FROM registry.gitlab.com/fdroid/docker-executable-fdroidserver:latest
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ARG BUILDER_UID=1000
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ENV BUILDER_USER=vagrant
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RUN useradd -u $BUILDER_UID $BUILDER_USER
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RUN mkdir -m 0755 /nix /home/$BUILDER_USER \
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&& chown -R $BUILDER_USER /nix /home/$BUILDER_USER
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```
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Build it using:
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```
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docker build --build-arg=BUILDER_UID=$UID -t statusteam/docker-executable-fdroidserver:latest .
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```
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Then clone the [fdroiddata](https://gitlab.com/fdroid/fdroiddata) and [fdroidserver](https://gitlab.com/fdroid/fdroidserver) repos and use it to test the build of a specific Status Android app version: `1.4.1`
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```
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docker run --rm \
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-u $UID:$GID \
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-v $(pwd)/nix:/nix \
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-v $(pwd)/fdroiddata:/repo \
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-v $(pwd)/fdroidserver:/fdroidserver \
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statusteam/docker-executable-fdroidserver:latest \
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build im.status.ethereum:1.4.1
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```
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We have to create a user and specify the UID because Nix cannot run as `root` and that is the default user for the F-Droid Docker image. By adding our own user and setting the UID we also make it possible to mount folders like `fdroiddata` and `fdroidserver`.
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You can specify a `--vebose` flag for `build` command for additional information.
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You should also run `lint im.status.ethereum` to verify the YAML format is correct.
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# Details
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The original research was done in [#8512](https://github.com/status-im/status-react/issues/8512).
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Normally F-Droid server wants to run Gradle itself, but we do not specify the `gradle` key in order to run `make release-android` ourselves in `build` step.
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