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Tuist is a command line tool (CLI) that aims to facilitate the generation, maintenance, and interaction with Xcode projects. It's distributed as a binary, which you can easily install and use without having to depend on other tools to manage dependencies (like you would do if the tool was written in other programming languages such as Ruby, or Java).


The first thing that we need to do to get started is installing the tool. To do so, you can run the following commands in your terminal:

curl -Ls | bash

The process is relatively fast because we are actually not installing the tool. We are installing tuistenv (which gets renamed to tuist) when you install it.

A very common issue working on iOS projects is not having a reproducible environment. Very often, projects depend on things that should be installed by other tools. To give you an example, if your project depends on Fastlane, chances are that it depends on Bundler being installed in the system and a clean Ruby environment with the version that the project expects. If any of those things are missing or are not in a good state, it results in unexpected outputs and a really bad experience for your developers.
To avoid that, Tuist is self-contained and comes with tuistenv which ensures that the right version is used. It manages different versions in your environment and runs the version your project is pinned to. Thanks to that, we ensure that anyone in your team will use the same version of Tuist.
In a more advanced section on the documentation, we'll see the power of tuistenv. For now, we'll keep things simple and just assume that we are running Tuist directly.


If you wish to remove tuist from the system, you can use the uninstall script:

curl -Ls | bash

Creating our first project

Now that we have Tuist installed, we can create our first project. Create a directory for your app:

mkdir MyApp
cd MyApp

And then run:

tuist init --platform ios

The init command will bootstrap an iOS application, which includes the Info.plist files, an AppDelegate.swift, a tests file, and a Project.swift that contains the definition of the project.

If you have used the Swift Package Manager before, the Project.swift file is the equivalent to the Package.swift.

SwiftUI template

tuist init --platform ios --template swiftui will bootstrap a SwiftUI iOS project instead.

The definition file, also known as manifest, has the following structure:

import ProjectDescription

let project = Project(
name: "MyApp",
organizationName: "MyOrg",
targets: [
name: "MyApp",
platform: .iOS,
product: .app,
bundleId: "io.tuist.MyApp",
infoPlist: "Info.plist",
sources: ["Sources/**"],
resources: ["Resources/**"],
headers: .headers(
public: ["Sources/public/A/**", "Sources/public/B/**"],
private: "Sources/private/**",
project: ["Sources/project/A/**", "Sources/project/B/**"]
dependencies: [
/* Target dependencies can be defined here */
/* .framework(path: "framework") */
name: "MyAppTests",
platform: .iOS,
product: .unitTests,
bundleId: "io.tuist.MyAppTests",
infoPlist: "Info.plist",
sources: ["Tests/**"],
dependencies: [
.target(name: "MyApp")

Since we are defining an Xcode project, most of the properties might be familiar to you. There are some that are available which are not used from the manifest that you've got generated. You can check out the project reference to see all the public models that are available in the ProjectDescription framework.

Editing your project

To edit your project you can open the relevant Tuist manifests using the command

tuist edit

The generated project will contain the Project.swift file and any other required manifest.

Generating project

We have the manifest and the project files, but something missing, the Xcode project. If we don't have an Xcode project, we can't use Xcode, because that's the format that Xcode expects. Fortunately, Tuist comes with a command to generate projects and workspaces from your manifest files. If we run the following command in the terminal:

tuist generate

We'll get a MyApp.xcodeprojand MyApp.xcworkspace files. As we'll see in the dependencies section, the workspace is necessary to add other projects MyApp project is depending on.
If you open MyApp.xcworkspace and try to run the MyApp scheme, it should build the app and run it on the simulator 📱 successfully 🎉.

Add a badge to your project's README

Tuist badge

Last but not least, you might want to include a badge in your project's README to indicate that the project is defined using Tuist. Simply copy and paste the following Markdown snippet below the title:

[![Tuist badge](](