Then run bash setup.sh. It stops at the first error and is safe to run again. Servers and tests aren't started; it lists them at the end. Read it first.

1. 1

   Clone the repository

   Needs Git: xcode-select --install. The repo uses git submodules, so the clone fetches them too.

   git clone --recurse-submodules https://github.com/nextcloud/server.git
   cd server

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2. 2

   Install the required runtimes

   Node.js ^24.0.0, PHP ^8.3

   # needs nvm: brew install nvm (or https://github.com/nvm-sh/nvm)
   nvm install 24
   brew install php composer

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3. 3

   Install dependencies

   npm ci
   composer install

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4. 4

   Run it

   npm run dev

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5. 5

   Run the tests

   npm test

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