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216 lines
9.5 KiB
Markdown
216 lines
9.5 KiB
Markdown
> ⚠️ Oh My Fish has been unmaintained for years, and certain parts of it may not work for you. A few themes and packages are currently broken, and the code is due a significant overhaul. The current set of maintainers have ran out of steam, so if you are interested in becoming a maintainer send an email to *oh-my-fish [at] googlegroups.com*.
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<img src="https://cdn.rawgit.com/oh-my-fish/oh-my-fish/e4f1c2e0219a17e2c748b824004c8d0b38055c16/docs/logo.svg" align="left" width="192px" height="192px"/>
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<img align="left" width="0" height="192px" hspace="10"/>
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> The <a href="http://fishshell.com">Fishshell</a> Framework
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[](/LICENSE) [](http://fishshell.com) [](https://github.com/oh-my-fish/oh-my-fish/actions?query=workflow%3ABuild)
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Oh My Fish provides core infrastructure to allow you to install packages which extend or modify the look of your shell. It's fast, extensible and easy to use.
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> Also in
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> <a href="docs/es-ES/README.md">🇪🇸</a>
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> <a href="docs/nl-NL/README.md">🇳🇱</a>
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> <a href="docs/pt-BR/README.md">🇧🇷</a>
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> <a href="docs/ru-RU/README.md">🇷🇺</a>
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> <a href="docs/uk-UA/README.md">🇺🇦</a>
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> <a href="docs/zh-CN/README.md">🇨🇳</a>
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<br>
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## Table of contents
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* [Installation](#installation)
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* [Getting Started (command descriptions)](#getting-started)
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* [Advanced](#advanced)
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* [Startup](#startup)
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* [Dotfiles](#dotfiles)
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* [Creating Packages](#creating-packages)
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## Installation
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You can get started right away with the default setup by running this in your terminal:
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```fish
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curl https://raw.githubusercontent.com/oh-my-fish/oh-my-fish/master/bin/install | fish
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```
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This will download the installer script and start the installation. Alternatively, you can download the installer and customize your install:
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```fish
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curl https://raw.githubusercontent.com/oh-my-fish/oh-my-fish/master/bin/install > install
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fish install --path=~/.local/share/omf --config=~/.config/omf
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```
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You can verify the integrity of the downloaded installer by verifying the script against [this checksum](bin/install.sha256):
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```
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curl -sL https://raw.githubusercontent.com/oh-my-fish/oh-my-fish/master/bin/install.sha256 | shasum -a 256 --check
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```
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You can also install Oh My Fish with Git or with an offline source tarball downloaded from the [releases page][releases]:
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```fish
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# with git
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$ git clone https://github.com/oh-my-fish/oh-my-fish
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$ cd oh-my-fish
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$ bin/install --offline
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# with a tarball
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$ curl https://raw.githubusercontent.com/oh-my-fish/oh-my-fish/master/bin/install > install
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$ fish install --offline=omf.tar.gz
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```
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Run `install --help` for a complete list of install options you can customize.
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#### Requirements
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- **fish** shell, version 2.2 or later
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- **git**, version 1.9.5 or later
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#### Known Issues
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- Due to a regression bug in fish 2.6 with some terminal emulators, right prompts make the shell unusable.
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OMF's `default` theme features a right prompt, so it's necessary to use an alternative theme until a fix is released.
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(see [#541](https://github.com/oh-my-fish/oh-my-fish/issues/541))
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## Getting Started
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Oh My Fish includes a small utility `omf` to fetch and install new packages and themes.
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#### `omf update` _`[omf]`_ _`[<package>...]`_
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Update Oh My Fish, all package repositories, and all installed packages.
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- When called without arguments, update core and all installed packages.
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- You can choose to update only the core, by running `omf update omf`.
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- For selective package update, list only the names of packages you wish to
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update. You may still include "omf" in the list to update the core as well.
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#### `omf install` _`[<name>|<url>|<user/repo>]`_
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Install one _or more_ packages.
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- You can install packages directly by URL via `omf install URL`
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- You can install packages from a GitHub repository via `omf install user/repo`
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- When called without arguments, install missing packages from [bundle](#dotfiles).
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#### `omf repositories` _`[list|add|remove]`_
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Manage user-installed package repositories. Package repositories are where packages come from used by commands like `omf install`. By default the [official repository](https://github.com/oh-my-fish/packages-main) is always installed and available.
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#### `omf list`
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List installed packages.
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#### `omf theme` _`<theme>`_
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Apply a theme. To list available themes, type `omf theme`. You can also [preview available themes](./docs/Themes.md) before installing.
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#### `omf remove` _`<name>`_
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Remove a theme or package. If a package was installed via `user/repo`, use `repo` for `name`.
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> Packages can use uninstall hooks, so custom cleanup of resources can be done when uninstalling it. See [Uninstall](/docs/en-US/Packages.md#uninstall) for more information.
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#### `omf reload`
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Reload Oh My Fish and all plugins by using `exec` to replace current shell process with a brand new.
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> This command tries to be as safe as possible, mitigating side-effects caused by `exec` and preventing the reload in case of background processes.
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#### `omf new plugin | theme` _`<name>`_
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Scaffold out a new plugin or theme.
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> This creates a new directory under `$OMF_CONFIG/{pkg | themes}/` with a template.
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#### `omf search` _`-t|--theme / -p|--package`_ _`<name>`_
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Searches Oh My Fish's database for a given package, theme or both. It also supports fuzzy search, so if you are not sure of the name you can simply `omf search simple`.
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#### `omf channel`
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Gets or changes the update channel.
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Two channels are available by default: the `stable` channel provides stable updates with the latest tagged version of Oh My Fish, and `dev` which provides the latest changes under development. The update channel currently set determines what version `omf update` will upgrade to.
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#### `omf doctor`
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Use to troubleshoot before [opening an issue][omf-issues-new].
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#### `omf destroy`
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Uninstall Oh My Fish.
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## Advanced
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Oh My Fish installer adds a snippet to fish's user config files (`~/.config/fish/conf.d/`) which calls OMF's startup code.
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Notice that the scripts in that directory are sourced in the order that the filesystem sees them,
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and so it may be necessary to prefix your script files with ordering numbers.
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For example: `a_script.fish` will take precedence over the `omf.fish` snippet.
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So if `a_script.fish` depends on plugins managed by OMF, consider renaming the script file to `xx_a_script.fish`.
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Similarly, to make sure that a script runs before `omf.fish`, you may prefix it with `00_`.
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Alternatively, `~/.config/omf/before.init.fish` may be used.
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### Startup
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Every time you open a new shell, the startup code initializes Oh My Fish installation path and the _config_ path (`~/.config/omf` by default),
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sourcing the [`init.fish`](init.fish) script afterwards, which autoloads packages, themes and your custom init files.
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For more information check the [FAQ](docs/en-US/FAQ.md#what-does-oh-my-fish-do-exactly).
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### Dotfiles
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The `$OMF_CONFIG` directory represents the user state of Oh My Fish. It is the perfect
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candidate for being added to your dotfiles and/or checked out to version control. There you can find three important files:
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- __`theme`__ - The current theme
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- __`bundle`__ - List of currently installed packages/themes
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- __`channel`__ - The channel from which OMF gets updates (stable / dev)
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And you may create and customize these special files:
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- __`init.fish`__ - Custom script sourced after shell start
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- __`before.init.fish`__ - Custom script sourced before shell start
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- __`key_bindings.fish`__ - Custom key bindings where you can use the `bind` command freely
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#### Setting variables in `init.fish`
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One of the most common startup commands used in `init.fish` is variables definition. Quite likely, such variables need to be available in any shell session. To achieve this, define them globally. For example:
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```fish
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# Golang developers might need this one
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set -xg GOPATH $HOME/gocode
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# Python developers otherwise
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set -xg PYTHONDONTWRITEBYTECODE 1
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```
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#### About the bundle
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Every time a package/theme is installed or removed, the `bundle` file is updated. You can also edit it manually and run `omf install` afterwards to satisfy the changes. Please note that while packages/themes added to the bundle get automatically installed, a package/theme removed from bundle isn't removed from user installation.
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#### Older fish versions
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In fish 2.2, there is no `conf.d` directory, so the startup code has to be placed in the fish config file (`~/.config/fish/config.fish`).
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It's highly recommended that your custom startup commands go into `init.fish` file instead of `~/.config/fish/config.fish`, as this allows you to keep the whole `$OMF_CONFIG` directory under version control.
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If you need startup commands to be run *before* Oh My Fish begins loading plugins, place them in `before.init.fish` instead. If you're unsure, it is usually best to put things in `init.fish`.
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## Creating Packages
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Oh My Fish uses an advanced and well defined plugin architecture to ease plugin development, including init/uninstall hooks, function and completion autoloading. [See the packages documentation](docs/en-US/Packages.md) for more details.
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[fishshell]: http://fishshell.com
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[contributors]: https://github.com/oh-my-fish/oh-my-fish/graphs/contributors
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[omf-pulls-link]: https://github.com/oh-my-fish/oh-my-fish/pulls
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[omf-issues-new]: https://github.com/oh-my-fish/oh-my-fish/issues/new
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[releases]: https://github.com/oh-my-fish/oh-my-fish/releases
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