F-Droid

https://f-droid.org/pl/docs
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### Build and install directly to device

Source: https://f-droid.org/pl/docs/Building_Applications

Builds and installs the latest signed version of an application directly to a connected device or emulator. Use `--all` to install all available versions, but be aware that no validation checks are performed in this mode.

```bash
fdroid install --all
```

--------------------------------

### Install fdroidserver on Debian/Ubuntu

Source: https://f-droid.org/pl/docs/Installing_the_Server_and_Repo_Tools

Installs the basic fdroidserver package from the operating system's standard package repository. This is sufficient for a basic F-Droid setup.

```bash
sudo apt-get install fdroidserver

```

--------------------------------

### Install Build Server Packages and Create User

Source: https://f-droid.org/pl/docs/Build_Server_Setup

Installs essential packages for the build server and creates a dedicated 'fdroid' user. Ensure no additional packages are needed for specific app builds.

```bash
root:~# apt-get install vagrant git python3-certifi \
        python3-libvirt python3-requestbuilder python3-yaml \
        python3-progress python3-vagrant python3-paramiko python3-pyasn1 \
        python3-pyasn1-modules python3-requests python3-git
        vagrant-mutate vagrant-libvirt ebtables dnsmasq-base \
        libvirt-clients libvirt-daemon-system qemu-kvm qemu-utils
root:~# adduser --disabled-password fdroid
root:~# su fdroid
```

--------------------------------

### Install Nginx Web Server

Source: https://f-droid.org/pl/docs/Setup_an_F-Droid_App_Repo

Installs the nginx web server, which is used to serve the F-Droid repository.

```bash
sudo apt-get install nginx

```

--------------------------------

### Install fdroidserver on Guix

Source: https://f-droid.org/pl/docs/Installing_the_Server_and_Repo_Tools

Installs fdroidserver using the Guix package manager. Ensure you have Guix installed and configured.

```bash
guix install fdroidserver
```

--------------------------------

### Install Dependencies and Download JAR

Source: https://f-droid.org/pl/docs/Release_Channels_and_Signing_Keys

Installs required packages and downloads the admin@f-droid.org.jar file.

```bash
sudo apt-get install wget vim-common unzip openjdk-8-jdk-headless
wget https://f-droid.org/assets/admin@f-droid.org.jar
```

--------------------------------

### Initialize and Build the F-Droid Build Server

Source: https://f-droid.org/pl/docs/Build_Server_Setup

Run the script to create the base build server image. This process can take a significant amount of time and resources due to SDK downloads and installations.

```bash
fdroid:~$ cd fdroidserver
fdroid:~/fdroidserver$ ./makebuildserver --verbose

```

--------------------------------

### Travis CI Configuration for F-Droid Server

Source: https://f-droid.org/pl/docs/Publishing_Nightly_Builds

Example Travis CI configuration to install fdroidserver and deploy APKs after successful tests. Requires a debug keystore to be set as the DEBUG_KEYSTORE environment variable.

```yaml
sudo: required
language: android

addons:
  apt:
    sources:
      - sourceline: 'ppa:fdroid/fdroidserver'
    packages:
      - fdroidserver
      - openssh-client

android:
  components:
    - tools
    - platform-tools
    - build-tools-26.0.2
    - android-25
  licenses:
    - 'android-sdk-license-.+'

script:
  - ./gradlew test

after_success:
  - fdroid nightly -v
```

--------------------------------

### Clone fdroiddata and Configure Build Server

Source: https://f-droid.org/pl/docs/Build_Server_Setup

Clones the fdroiddata repository, copies the example configuration file, and enables the build server by modifying the configuration.

```bash
fdroid:~/fdroidserver$ cd ~
fdroid:~$ git clone https://gitlab.com/fdroid/fdroiddata.git
fdroid:~$ cp fdroidserver/examples/config.yml fdroiddata/
fdroid:~$ sed -i "s@^[# ]*build_server_always.*@build_server_always: true@" fdroiddata/config.yml
```

--------------------------------

### Install fdroidserver on Fedora/Archlinux with venv

Source: https://f-droid.org/pl/docs/Installing_the_Server_and_Repo_Tools

Use this method to install fdroidserver on Fedora or Archlinux, especially when newer packages are available. It ensures dependency resolution by installing in a virtual environment.

```bash
python3 -m venv env
source env/bin/activate
pip install -e .
```

--------------------------------

### Install fdroidserver from Debian Backports

Source: https://f-droid.org/pl/docs/Installing_the_Server_and_Repo_Tools

Installs fdroidserver from Debian's backports repository. Ensure backports are set up first, and replace 'bookworm' with your specific Debian release name.

```bash
apt-get install -t bookworm-backports fdroidserver

```

--------------------------------

### Install pidcat on Debian

Source: https://f-droid.org/pl/docs/Getting_logcat_messages_after_crash

Use apt-get to install pidcat on Debian systems for colored syntax and tab completion.

```bash
apt-get install pidcat
```

--------------------------------

### Install fdroidserver on WSL

Source: https://f-droid.org/pl/docs/Installing_the_Server_and_Repo_Tools

Installs fdroidserver on the Windows Subsystem for Linux (WSL) by adding the F-Droid PPA and updating package lists.

```bash
sudo add-apt-repository ppa:fdroid/fdroidserver
sudo apt-get update
sudo apt-get install fdroidserver
```

--------------------------------

### Install fdroidserver on Homebrew

Source: https://f-droid.org/pl/docs/Installing_the_Server_and_Repo_Tools

Installs fdroidserver using the Homebrew package manager on macOS or Linux. Refer to the Homebrew formula for more details.

```bash
brew install fdroidserver
```

--------------------------------

### Create SDK Platform Cache Archive

Source: https://f-droid.org/pl/docs/Build_Server_Setup

Manually create a tarball of an Android SDK platform for caching. This speeds up subsequent installations by avoiding re-downloads.

```bash
cd /path/to/android-sdk/platforms
tar czf android-19.tar.gz android-19
mv android-19.tar.gz /path/to/fdroidserver/buildserver/cache/platforms/

```

--------------------------------

### Add F-Droid PPA and Install fdroidserver on Ubuntu/Mint

Source: https://f-droid.org/pl/docs/Installing_the_Server_and_Repo_Tools

Adds the F-Droid PPA to your system and updates package lists to install a newer version of fdroidserver. This is recommended for Ubuntu and Mint users.

```bash
sudo add-apt-repository ppa:fdroid/fdroidserver
sudo apt-get update
sudo apt-get install fdroidserver

```

--------------------------------

### Get Help for fdroid update command

Source: https://f-droid.org/pl/docs/Building_Applications

Use the --help flag with any `fdroid` command to view available options and usage instructions. This is useful for understanding command-specific configurations and parameters.

```bash
fdroid update --help
```

--------------------------------

### Configure Vagrant VM Provider

Source: https://f-droid.org/pl/docs/Build_Server_Setup

Specify the virtual machine provider for Vagrant. Ensure libvirt is installed and configured on your host system.

```yaml
vm_provider: libvirt
```

--------------------------------

### Download and Verify F-Droid APK on Linux

Source: https://f-droid.org/pl/docs/Verifying_Downloaded_APK

Use these commands to download the APK and its signature, import the public key, and verify the signature. Ensure you have wget and GPG installed.

```bash
# download files
wget -q https://f-droid.org/F-Droid.apk.asc
wget -q https://f-droid.org/F-Droid.apk
# import public key
gpg --keyserver keyserver.ubuntu.com --recv-key 37D2C98789D8311948394E3E41E7044E1DBA2E89
# check file
gpg --verify F-Droid.apk.asc F-Droid.apk

```

--------------------------------

### F-Droid App Metadata URL Example

Source: https://f-droid.org/pl/docs/All_our_APIs

Direct URL to an application's build metadata file in YAML format, accessible via GitLab's raw file access.

```URL
https://gitlab.com/fdroid/fdroiddata/-/raw/master/metadata/org.fdroid.fdroid.yml
```

--------------------------------

### F-Droid Repository Configuration Example

Source: https://f-droid.org/pl/docs/Setup_an_F-Droid_App_Repo

A basic configuration block for an F-Droid repository, defining the repository URL, name, icon, and description. Update 'repo_icon' and 'archive_icon' if you change the icon file name.

```yaml
repo_url = "http://guardianproject.info/fdroid/repo"
repo_name = "My Local Repo"
repo_icon = "GP_Logo_hires.png"
repo_description = ""
Lokalne repozytorium testów Hans-Christoph Steiner <hans@guardianproject.info>.
Jest to repozytorium aplikacji Guardian Project. "

```

--------------------------------

### Configure Cygwin and Initialize Repository

Source: https://f-droid.org/pl/docs/Installing_the_Server_and_Repo_Tools

Sets up the Android SDK path and initializes the fdroidserver repository in a Cygwin environment. Note that keystore generation may fail initially.

```bash
export ANDROID_HOME=/cygdrive/c/path/to/android-sdk
fdroid init   # wygenerowanie keystore nie powiedzie się
```

--------------------------------

### Clone F-Droid Data Repository

Source: https://f-droid.org/pl/docs/Building_Applications

Clone the F-Droid data repository to start managing your application builds. This repository contains the necessary data structures and examples for configuring your build environment.

```bash
git clone https://gitlab.com/fdroid/fdroiddata.git
```

--------------------------------

### Import Application with License

Source: https://f-droid.org/pl/docs/Importing_Applications

Specify the project's license using the '--license' flag to pre-fill the metadata.

```bash
fdroid import -l <LICENSE>

```

--------------------------------

### Prepare and Publish APKs

Source: https://f-droid.org/pl/docs/Signing_Process

Commands to prepare an unsigned APK, move it to the correct directory, and then publish and update the F-Droid repository. Ensure 'unsigned/' directory is created alongside 'metadata/' and 'repo/'.

```bash
$ cd /path/to/repobasedir
$ touch metadata/com.example.app.yml
$ mkdir unsigned
$ cp /path/to/app-release-unsigned.apk unsigned/com.example.app_1234.apk
$ fdroid publish --verbose
$ fdroid update --verbose
$ fdroid deploy --verbose

```

--------------------------------

### Initialize F-Droid Repository

Source: https://f-droid.org/pl/docs/Setup_an_F-Droid_App_Repo

Run this command in a new directory to generate a signing key and initialize your F-Droid repository. This key uniquely identifies your repository.

```bash
fdroid init
```

--------------------------------

### Build all available app versions

Source: https://f-droid.org/pl/docs/Building_Applications

When using a metadata file within the application's source code, this command builds every version of the app.

```bash
fdroid build --all
```

--------------------------------

### Import Application from Project URL

Source: https://f-droid.org/pl/docs/Importing_Applications

Import an application by providing its project URL. The command will fetch project information and clone the Git repository if found. Ensure the URL points to a supported format (GitLab, GitHub, Bitbucket, NotABug, or Git).

```bash
fdroid import --url=http://address.of.project

```

--------------------------------

### Initialize F-Droid Nightly Build

Source: https://f-droid.org/pl/docs/Publishing_Nightly_Builds

Initializes the F-Droid nightly build process using the specified keystore.

```bash
fdroid nightly --keystore im.zom.messenger-debug.keystore
```

--------------------------------

### F-Droid Package API Response Example

Source: https://f-droid.org/pl/docs/All_our_APIs

Example JSON response for the F-Droid package API, showing application version names and codes.

```JSON
{
  "packageName": "org.fdroid.fdroid",
  "suggestedVersionCode": 1009000,
  "packages": [
    {
      "versionName": "1.10-alpha0",
      "versionCode": 1010000
    },
    {
      "versionName": "1.9",
      "versionCode": 1009000
    }
  ]
}

```

--------------------------------

### Import Application from Cloned Git Repository

Source: https://f-droid.org/pl/docs/Importing_Applications

Use this command after cloning a Git repository to initialize the fdroid project structure. Navigate into the cloned directory and run 'fdroid import'.

```bash
git clone https://gitlab.com/fdroid/fdroidclient
cd fdroidclient
fdroid import

```

--------------------------------

### Download SDK Platform Archive from Build Server

Source: https://f-droid.org/pl/docs/Build_Server_Setup

Retrieve a pre-created SDK platform archive from the build server VM. This is useful if you have already built the cache on the server.

```bash
vagrant ssh -- -C 'tar -C ~/android-sdk/platforms czf android-19.tar.gz android-19'
vagrant ssh -- -C 'cat ~/android-sdk/platforms/android-19.tar.gz' > /path/to/fdroidserver/buildserver/cache/platforms/android19.tar.gz

```

--------------------------------

### Get App Information

Source: https://f-droid.org/pl/docs/All_our_APIs

Retrieves information about published and suggested versions of an application from the main repository. Archived apps are not included.

```APIDOC
## GET /api/v1/packages/{appId}

### Description
Retrieves information about published and suggested versions of an application from the main repository. Archived apps are not included.

### Method
GET

### Endpoint
https://f-droid.org/api/v1/packages/{appId}

### Parameters
#### Path Parameters
- **appId** (string) - Required - The unique identifier of the application (e.g., org.fdroid.fdroid).

### Response
#### Success Response (200)
- **packageName** (string) - The package name of the application.
- **suggestedVersionCode** (integer) - The suggested version code for the application.
- **packages** (array) - A list of available versions.
  - **versionName** (string) - The name of the version.
  - **versionCode** (integer) - The version code.
```

--------------------------------

### Configure Custom App Repositories in XML

Source: https://f-droid.org/pl/docs/Whitelabel_Builds

Define a custom set of application repositories by providing a `default_repos.xml` file. This file is an array of strings, with each repository defined by an 8-element set.

```xml
 <!-- name -->
 <item>Guardian Project</item>
 <!-- address -->
 <item>https://guardianproject.info/fdroid/repo</item>
 <!-- description -->
 <item>
   Oficjalne repozytorium aplikacji The Guardian
   Project. Aplikacje w tym repozytorium to oficjalne
   pliki binarne opracowane przez oryginalnych twórców aplikacji
   i podpisane tym samym kluczem, co pliki APK wydane
   w sklepie Google Play.
 </item>
 <!-- version -->
 <item>13</item>
 <!-- enabled -->
 <item>1</item>
 <!-- priority -->
 <item>10</item>
 <!-- push requests: ignore, prompt, always -->
 <item>always</item>
 <!-- pubkey -->
 <item>
   308205d8308203c0020900a397b4da7ecda034300d06092a864886f70d01010505003081ad310b30090603550406130255533111300f06035504080c084e657720596f726b3111300f06035504070c084e657720596f726b31143012060355040b0c0b4644726f6964205265706f31193017060355040a0c10477561726469616e2050726f6a656374311d301b06035504030c14677561726469616e70726f6a6563742e696e666f3128302606092a864886f70d0109011619726f6f7440677561726469616e70726f6a6563742e696e666f301e170d3134303632363139333931385a170d3431313131303139333931385a3081ad310b30090603550406130255533111300f06035504080c084e657720596f726b3111300f06035504070c084e657720596f726b31143012060355040b0c0b4644726f6964205265706f31193017060355040a0c10477561726469616e2050726f6a656374311d301b06035504030c14677561726469616e70726f6a6563742e696e666f3128302606092a864886f70d0109011619726f6f7440677561726469616e70726f6a6563742e696e666f30820222300d06092a864886f70d01010105000382020f003082020a0282020100b3cd79121b9b883843be3c4482e320809106b0a23755f1dd3c7f46f7d315d7bb2e943486d61fc7c811b9294dcc6b5baac4340f8db2b0d5e14749e7f35e1fc211fdbc1071b38b4753db201c314811bef885bd8921ad86facd6cc3b8f74d30a0b6e2e6e576f906e9581ef23d9c03e926e06d1f033f28bd1e21cfa6a0e3ff5c9d8246cf108d82b488b9fdd55d7de7ebb6a7f64b19e0d6b2ab1380a6f9d42361770d1956701a7f80e2de568acd0bb4527324b1e0973e89595d91c8cc102d9248525ae092e2c9b69f7414f724195b81427f28b1d3d09a51acfe354387915fd9521e8c890c125fc41a12bf34d2a1b304067ab7251e0e9ef41833ce109e76963b0b256395b16b886bca21b831f1408f836146019e7908829e716e72b81006610a2af08301de5d067c9e114a1e5759db8a6be6a3cc2806bcfe6fafd41b5bc9ddddb3dc33d6f605b1ca7d8a9e0ecdd6390d38906649e68a90a717bea80fa220170eea0c86fc78a7e10dac7b74b8e62045a3ecca54e035281fdc9fe5920a855fde3c0be522e3aef0c087524f13d973dff3768158b01a5800a060c06b451ec98d627dd052eda804d0556f60dbc490d94e6e9dea62ffcafb5beffbd9fc38fb2f0d7050004fe56b4dda0a27bc47554e1e0a7d764e17622e71f83a475db286bc7862deee1327e2028955d978272ea76bf0b88e70a18621aba59ff0c5993ef5f0e5d6b6b98e68b70203010001300d06092a864886f70d0101050500038202010079c79c8ef408a20d243d8bd8249fb9a48350dc19663b5e0fce67a8dbcb7de296c5ae7bbf72e98a2020fb78f2db29b54b0e24b181aa1c1d333cc0303685d6120b03216a913f96b96eb838f9bff125306ae3120af838c9fc07ebb5100125436bd24ec6d994d0bff5d065221871f8410daf536766757239bf594e61c5432c9817281b985263bada8381292e543a49814061ae11c92a316e7dc100327b59e3da90302c5ada68c6a50201bda1fcce800b53f381059665dbabeeb0b50eb22b2d7d2d9b0aa7488ca70e67ac6c518adb8e78454a466501e89d81a45bf1ebc350896f2c3ae4b6679ecfbf9d32960d4f5b493125c7876ef36158562371193f600bc511000a67bdb7c664d018f99d9e589868d103d7e0994f166b2ba18ff7e67d8c4da749e44dfae1d930ae5397083a51675c409049dfb626a96246c0015ca696e94ebb767a20147834bf78b07fece3f0872b057c1c519ff882501995237d8206b0b3832f78753ebd8dcbd1d3d9f5ba733538113af6b407d960ec4353c50eb38ab29888238da843cd404ed8f4952f59e4bbc0035fc77a54846a9d419179c46af1b4a3b7fc98e4d312aaa29b9b7d79e739703dc0fa41c7280d5587709277ffa11c3620f5fba985b82c238ba19b17ebd027af9424be0941719919f620dd3bb3c3f11638363708aa11f858e153cf3a69bce69978b90e4a273836100aa1e617ba455cd00426847f
 </item>
```

--------------------------------

### Initialize F-Droid Repository Directory

Source: https://f-droid.org/pl/docs/Setup_an_F-Droid_App_Repo

Creates the directory structure for the F-Droid repository and sets ownership to the current user. Initializes the repository using 'fdroid init'.

```bash
sudo mkdir /usr/share/nginx/www/fdroid
sudo chown -R $USER /usr/share/nginx/www/fdroid
cd /usr/share/nginx/www/fdroid
fdroid init

```

--------------------------------

### Build a single version of an app

Source: https://f-droid.org/pl/docs/Building_Applications

Use this command to build a specific version of a single application. The output files will be placed in the `unsigned` directory.

```bash
fdroid build org.fdroid.fdroid:16
```

--------------------------------

### Get App Package Information

Source: https://f-droid.org/pl/docs/All_our_APIs

Retrieve details about published and suggested versions of an application from the main repository. Archived apps are not available via this API.

```HTTP
GET https://f-droid.org/api/v1/packages/org.fdroid.fdroid HTTP/1.1


```

--------------------------------

### Import Application with Categories

Source: https://f-droid.org/pl/docs/Importing_Applications

Pre-fill the application's categories during import by providing a comma-separated list using the '--categories' flag.

```bash
fdroid import -c <CATEGORIES>

```

--------------------------------

### Run F-Droid Build Command

Source: https://f-droid.org/pl/docs/Build_Server_Setup

Use this command to build the latest version of F-Droid from its git checkout. Ensure you have installed and configured the fdroidserver tools first.

```bash
fdroid:~/fdroidserver$ cd ~/fdroiddata
fdroid:~/fdroiddata$ ~/fdroidserver/fdroid build org.fdroid.fdroid -l --server

```

--------------------------------

### Configure VM CPU for Nested KVM

Source: https://f-droid.org/pl/docs/Build_Server_Setup

Modify the libvirt VM configuration file to pass the required CPU features for nested virtualization. This example requires the 'vmx' feature.

```xml
<cpu mode='custom' match='exact'>
    <model fallback='allow'>SandyBridge</model>
    <vendor>Intel</vendor>
    <feature policy='require' name='vmx'/>
</cpu>

```

--------------------------------

### Verify JAR with Index Key

Source: https://f-droid.org/pl/docs/Release_Channels_and_Signing_Keys

Downloads the index.jar, extracts its certificate, imports it into a keystore, and verifies the JAR signature.

```bash
wget https://f-droid.org/repo/index.jar
unzip -p index.jar META-INF/CIARANG.RSA | openssl pkcs7 -print_certs -inform DER -out index.cer
keytool -import -noprompt -trustcacerts -alias index -storepass android -file index.cer -keystore index.jks
jarsigner -keystore index.jks -storepass android -strict -verify admin@f-droid.org.jar
```

--------------------------------

### Publish built application artifacts

Source: https://f-droid.org/pl/docs/Building_Applications

After a successful build, use this command to move the source archive and signed APK to the `repo` directory for publishing. Files in the `unsigned` directory are removed.

```bash
fdroid publish
```

--------------------------------

### Deploy F-Droid Repository

Source: https://f-droid.org/pl/docs/Setup_an_F-Droid_App_Repo

This command deploys the generated repository content to a web server. Ensure the `serverwebroot` is configured in your `config.yml` file.

```bash
fdroid deploy
```

--------------------------------

### Markdown Link with F-Droid Badge

Source: https://f-droid.org/pl/docs/Badges

This Markdown snippet allows you to create a link to your F-Droid application page, featuring the 'Get it on F-Droid' badge. Replace 'ID.TWOJEJ.APLIKACJI' with your app's ID.

```markdown
[<img src="https://f-droid.org/badge/get-it-on.png"
    alt="Pobierz z F-Droid"
    height="80">](https://f-droid.org/packages/ID.TWOJEJ.APLIKACJI)

```

--------------------------------

### HTML Link with F-Droid Badge

Source: https://f-droid.org/pl/docs/Badges

Use this HTML snippet to link to your application on F-Droid, displaying the 'Get it on F-Droid' badge. Adjust the 'YOUR.APP.ID' placeholder with your application's unique identifier.

```html
<a href="https://f-droid.org/packages/YOUR.APP.ID">
    <img src="https://f-droid.org/badge/get-it-on.png"
    alt="Pobierz z F-Droid"
    height="80">
</a>

```

--------------------------------

### F-Droid Repository Entry Point URLs

Source: https://f-droid.org/pl/docs/All_our_APIs

URLs for the signed entry point files (JAR, JSON, and GPG signature) for the repository, which list available indexes and diff files.

```URL
https://f-droid.org/repo/entry.jar
```

```URL
https://f-droid.org/repo/entry.json
```

```URL
https://f-droid.org/repo/entry.json.asc
```

--------------------------------

### Configure QEMU/KVM Libvirt Ownership

Source: https://f-droid.org/pl/docs/Build_Server_Setup

Configure the QEMU libvirt user to always set ownership to 'libvirt.libvirt' for libvirt image files. This is the recommended setting for F-Droid.org.

```bash
root:~# cat << EOF >> /etc/libvirt/qemu.conf
user = "libvirt"
group = "libvirt"
dynamic_ownership = 1
EOF
root:~# service libvirtd restart

```

--------------------------------

### Upload Signed Source Package

Source: https://f-droid.org/pl/docs/Release_Channels_and_Signing_Keys

Use this command to upload a source package for release. Ensure your package is signed.

```shell
python3 setup.py sdist upload --sign
```

--------------------------------

### Add APKs and Update Repository

Source: https://f-droid.org/pl/docs/Setup_an_F-Droid_App_Repo

Copies APK files to the repository's 'repo' directory and then updates the repository metadata. Ensure your Android SDK is accessible or provide the path when prompted.

```bash
cd /usr/share/nginx/www/fdroid
cp /path/to/*.apk /usr/share/nginx/www/fdroid/repo/
fdroid update --create-metadata

```

--------------------------------

### Verify JAR with Page Embedded Key

Source: https://f-droid.org/pl/docs/Release_Channels_and_Signing_Keys

Downloads the current page's certificate, imports it into a keystore, and verifies the JAR signature.

```bash
wget -O - https://f-droid.org/docs/Release_Channels_and_Signing_Keys/ | openssl x509 -inform pem -outform der -out docs.der
keytool -import -noprompt -trustcacerts -alias docs -storepass android -file docs.der -keystore docs.jks
jarsigner -keystore docs.jks -storepass android -strict -verify admin@f-droid.org.jar
```
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