mirror of
https://github.com/alacritty/alacritty.git
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41127a1e72
Since the Ubuntu PPA from mmstick is apparently not maintained anymore, people should no longer be instructed to install the outdated version that is available from the PPA. The System76 PPA repository still contains an up to date version of Alacritty, but since it also comes with several other packages we cannot recommend users to install it outside of Pop!_OS. Fixes #3863.
241 lines
6.8 KiB
Markdown
241 lines
6.8 KiB
Markdown
<h1 align="center">Alacritty</h1>
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<p align="center">
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<img width="200" alt="Alacritty Logo" src="extra/logo/compat/alacritty-term+scanlines.png">
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</p>
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Alacritty is the fastest terminal emulator in existence. Using the GPU for
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rendering enables optimizations that simply aren't possible without it.
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Alacritty currently supports macOS, Linux, BSD, and Windows.
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<p align="center">
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<img width="600"
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alt="Alacritty running vim inside tmux"
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src="https://cloud.githubusercontent.com/assets/4285147/21585004/2ebd0288-d06c-11e6-95d3-4a2889dbbd6f.png">
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</p>
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## About
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Alacritty is a terminal emulator with a strong focus on simplicity and
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performance. With such a strong focus on performance, included features are
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carefully considered and you can always expect Alacritty to be blazingly fast.
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By making sane choices for defaults, Alacritty requires no additional setup.
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However, it does allow [configuration](#configuration) of many aspects of the
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terminal.
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The software is considered to be at a **beta** level of readiness -- there are
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a few missing features and bugs to be fixed, but it is already used by many as
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a daily driver.
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Precompiled binaries are available from the [GitHub releases page](https://github.com/alacritty/alacritty/releases).
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## Further information
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- [Announcing Alacritty, a GPU-Accelerated Terminal Emulator](https://jwilm.io/blog/announcing-alacritty/) January 6, 2017
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- [A short talk about Alacritty at the Rust Meetup January 2017](https://air.mozilla.org/rust-meetup-january-2017/) (starts at 57:00)
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- [Alacritty Lands Scrollback, Publishes Benchmarks](https://jwilm.io/blog/alacritty-lands-scrollback/) September 17, 2018
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- [Version 0.3.0 Release Announcement](https://blog.christianduerr.com/alacritty_030_announcement) April 07, 2019
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## Installation
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Some operating systems already provide binaries for Alacritty, for everyone
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else the instructions to build Alacritty from source can be found [here](INSTALL.md).
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### Alpine Linux
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```sh
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apk add alacritty
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```
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### Arch Linux
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```sh
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pacman -S alacritty
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```
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### Fedora
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Unofficial builds of stable tags can be found in Fedora Copr:
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[pschyska/alacritty](https://copr.fedorainfracloud.org/coprs/pschyska/alacritty/).
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``` sh
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dnf copr enable pschyska/alacritty
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dnf install alacritty
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```
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If you want to help test pre-releases, you can additionally enable
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[pschyska/alacritty-testing](https://copr.fedorainfracloud.org/coprs/pschyska/alacritty-testing/).
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### Gentoo Linux
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```sh
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emerge x11-terms/alacritty
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```
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### GNU Guix
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```sh
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guix package -i alacritty
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```
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### Mageia
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```sh
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urpmi alacritty
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```
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### NixOS
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```sh
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nix-env -iA nixos.alacritty
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```
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### openSUSE Tumbleweed
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```sh
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zypper in alacritty
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```
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### Pop!\_OS
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```sh
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apt install alacritty
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```
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### Solus
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```sh
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eopkg install alacritty
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```
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### Void Linux
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```sh
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xbps-install alacritty
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```
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### FreeBSD
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```sh
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pkg install alacritty
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```
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### macOS
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```sh
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brew cask install alacritty
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```
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Once the cask is installed, it is recommended to setup the manual page, shell
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completions, and terminfo definitions. These are located inside the installed
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application's Resources directory: `Alacritty.app/Contents/Resources`.
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### Windows
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#### Via [Chocolatey](https://chocolatey.org)
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```batch
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choco install alacritty
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```
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#### Via [Scoop](https://scoop.sh)
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```batch
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scoop bucket add extras
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scoop install alacritty
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```
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### Other
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Prebuilt binaries for Linux, macOS, and Windows can be downloaded from the
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[GitHub releases page](https://github.com/alacritty/alacritty/releases). If your
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desktop environment has trouble rendering the default SVG icons, you can find
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a prerendered SVG as well as simplified versions of the SVG in the
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`extra/logo/compat` directory.
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On Windows, Alacritty also requires Microsoft's VC++ redistributable.
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For Windows versions older than Windows 10 (October 2018 Update), Alacritty
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requires winpty to emulate UNIX's PTY API. The agent is a single binary
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(`winpty-agent.exe`) which **must** be in the same directory as the Alacritty
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executable and is available through the
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[GitHub releases page](https://github.com/alacritty/alacritty/releases).
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## Configuration
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You can find the default configuration file with documentation for all available
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fields on the [GitHub releases page](https://github.com/alacritty/alacritty/releases) for each release.
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Alacritty doesn't create the config file for you, but it looks for one in the
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following locations:
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1. `$XDG_CONFIG_HOME/alacritty/alacritty.yml`
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2. `$XDG_CONFIG_HOME/alacritty.yml`
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3. `$HOME/.config/alacritty/alacritty.yml`
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4. `$HOME/.alacritty.yml`
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### Windows
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On Windows, the config file should be located at:
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`%APPDATA%\alacritty\alacritty.yml`
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## Contributing
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A full guideline about contributing to Alacritty can be found in the
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[`CONTRIBUTING.md`](CONTRIBUTING.md) file.
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## Issues (known, unknown, feature requests, etc.)
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If you run into a problem with Alacritty, please file an issue. If you've got a
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feature request, feel free to ask about it. Please just keep in mind Alacritty
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is focused on simplicity and performance, and not all features are in line with
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that goal.
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Before opening a new issue, please check if it has already been reported.
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There's a chance someone else has already reported it, and you can subscribe to
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that issue to keep up on the latest developments.
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## FAQ
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**_Is it really the fastest terminal emulator?_**
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In the terminals we've [benchmarked](http://github.com/alacritty/vtebench),
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Alacritty is either faster or **way** faster than the others. If you've found a
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case where this isn't true, please report a bug.
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**_Why isn't feature X implemented?_**
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Alacritty has many great features, but not every feature from every other
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terminal. This could be for a number of reasons, but sometimes it's just not a
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good fit for Alacritty. This means you won't find things like tabs or splits
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(which are best left to a window manager or [terminal multiplexer][tmux]) nor
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niceties like a GUI config editor.
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**_macOS + tmux + vim is slow! I thought this was supposed to be fast!_**
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This appears to be an issue outside of terminal emulators; either macOS has an
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IPC performance issue, or either tmux or vim (or both) have a bug. This same
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issue can be seen in `iTerm2` and `Terminal.app`. I've found that if tmux is
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running on another machine which is connected to Alacritty via SSH, this issue
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disappears. Actual throughput and rendering performance are still better in
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Alacritty.
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## IRC
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Alacritty discussion can be found in `#alacritty` on freenode.
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## Wayland
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Wayland is used by default on systems that support it. Using XWayland may
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circumvent Wayland specific issues and can be enabled through:
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```sh
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env WINIT_UNIX_BACKEND=x11 alacritty
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```
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## License
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Alacritty is released under the [Apache License, Version 2.0].
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[Apache License, Version 2.0]: https://github.com/alacritty/alacritty/blob/master/LICENSE-APACHE
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[tmux]: https://github.com/tmux/tmux
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