66 lines
3.3 KiB
Markdown
66 lines
3.3 KiB
Markdown
# Installation
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The suggested and easiest way to install Homebrew is on the
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[homepage](https://brew.sh).
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The standard script installs Homebrew to `/usr/local` so that
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[you don’t need sudo](FAQ.md#why-does-homebrew-say-sudo-is-bad) when you
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`brew install`. It is a careful script; it can be run even if you have stuff
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installed to `/usr/local` already. It tells you exactly what it will do before
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it does it too. And you have to confirm everything it will do before it starts.
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## Requirements
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* An Intel CPU <sup>[1](#1)</sup>
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* macOS 10.12 or higher <sup>[2](#2)</sup>
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* Command Line Tools (CLT) for Xcode: `xcode-select --install`,
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[developer.apple.com/downloads](https://developer.apple.com/downloads) or
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[Xcode](https://itunes.apple.com/us/app/xcode/id497799835) <sup>[3](#3)</sup>
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* A Bourne-compatible shell for installation (e.g. bash or zsh) <sup>[4](#4)</sup>
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## Alternative Installs
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### OS X Lion 10.7 and below
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Using the instructions on https://brew.sh or below whenever you call `curl` you must pass `--insecure` as an argument. This is because your system `curl` is too old to speak to GitHub using HTTPS. Don't worry, on the first `brew update` Homebrew will install a newer, more secure `curl` for your machine.
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### Untar anywhere
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Just extract (or `git clone`) Homebrew wherever you want. Just avoid:
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* Directories with names that contain spaces. Homebrew itself can handle spaces, but many build scripts cannot.
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* `/tmp` subdirectories because Homebrew gets upset.
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* `/sw` and `/opt/local` because build scripts get confused when Homebrew is there instead of Fink or MacPorts, respectively.
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However do yourself a favor and install to `/usr/local`. Some things may
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not build when installed elsewhere. One of the reasons Homebrew just
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works relative to the competition is **because** we recommend installing
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to `/usr/local`. *Pick another prefix at your peril!*
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```sh
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mkdir homebrew && curl -L https://github.com/Homebrew/brew/tarball/master | tar xz --strip 1 -C homebrew
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```
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### Multiple installations
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Create a Homebrew installation wherever you extract the tarball. Whichever `brew` command is called is where the packages will be installed. You can use this as you see fit, e.g. a system set of libs in `/usr/local` and tweaked formulae for development in `~/homebrew`.
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## Uninstallation
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Uninstallation is documented in the [FAQ](FAQ.md).
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<a name="1"><sup>1</sup></a> Not all formulae have CPU or OS requirements, but
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you can assume you will have trouble if you don’t conform. Also, you can find
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PowerPC and Tiger branches from other users in the fork network. See
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[Interesting Taps and Forks](Interesting-Taps-and-Forks.md).
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<a name="2"><sup>2</sup></a> 10.12 or higher is recommended. 10.5–10.11 are
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supported on a best-effort basis. For 10.4 see
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[Tigerbrew](https://github.com/mistydemeo/tigerbrew).
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<a name="3"><sup>3</sup></a> Most formulae require a compiler. A handful
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require a full Xcode installation. You can install Xcode, the CLT, or both;
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Homebrew supports all three configurations. Downloading Xcode may require an
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Apple Developer account on older versions of Mac OS X. Sign up for free
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[here](https://developer.apple.com/register/index.action).
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<a name="4"><sup>4</sup></a> The one-liner installation method found on
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[brew.sh](https://brew.sh) requires a Bourne-compatible shell (e.g. bash or
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zsh). Notably, fish, tcsh and csh will not work.
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