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[#]: collector: (lujun9972)
[#]: translator: (amwps290 )
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (Adding themes and plugins to Zsh)
[#]: via: (https://opensource.com/article/19/9/adding-plugins-zsh)
[#]: author: (Seth Kenlon https://opensource.com/users/sethhttps://opensource.com/users/sethhttps://opensource.com/users/sethhttps://opensource.com/users/seth)
Adding themes and plugins to Zsh
======
Expand Z-shell's capabilities with themes and plugins installed with Oh
My Zsh.
![Someone wearing a hardhat and carrying code ][1]
In my [previous article][2], I explained how to get started with [Z-shell][2] (Zsh). For some users, the most exciting thing about Zsh is its ability to adopt new themes. It's so easy to theme Zsh both because of the active community designing visuals for the shell and also because of the [Oh My Zsh][3] project, which makes it trivial to install them.
Theming is one of those changes you notice immediately, so if you don't feel like you changed shells when you installed Zsh, you'll definitely feel it once you've adopted one of the 100+ themes bundled with Oh My Zsh. There's a lot more to Oh My Zsh than just pretty themes, though; there are also hundreds of plugins that add features to your Z-shell environment.
### Installing Oh My Zsh
The [ohmyz.sh][3] website encourages you to install the framework by running a script over the internet from your computer. While the Oh My Zsh project is almost certainly trustworthy, it's generally ill-advised to blindly run scripts on your system. If you want to run the install script, you can download it, read it, and run it after you're satisfied you understand what it's doing.
If you download the script and read it, you may notice that installation is only a three-step process:
#### 1\. Clone oh-my-zsh
First, clone the oh-my-zsh repository into a directory called **~/.oh-my-zsh**:
```
`% git clone http://github.com/robbyrussell/oh-my-zsh ~/.oh-my-zsh`
```
#### 2\. Switch the config file
Next, back up your existing **.zshrc** file and move the default one from the oh-my-zsh install into its place. You can do this in one command using the **-b** (backup) option for **mv**, as long as your version of the **mv** command includes that option:
```
% mv -b \
~/.oh-my-zsh/templates/zshrc.zsh-template \
~/.zshrc
```
#### 3\. Edit the config
By default, Oh My Zsh's configuration is pretty bland, so you might want to reintegrate your custom **~/.zshrc** into the **.oh-my-zsh** config. To do that, append your old config to the end of the new one using the [cat command][4]:
```
`% cat ~/.zshrc~ >> ~/.zshrc`
```
To see the default configuration and learn about some of the options it provides, open **~/.zshrc** in your favorite text editor. The file is well-commented, so it's a great way to get a good idea of what's possible.
For instance, you can change the location of your **.oh-my-zsh** directory. At installation, it resides at the base of your home directory, but modern Linux convention, as defined by the [Free Desktop][5] specification, is to place directories that extend the functionality of applications in the **~/.local/share** directory. You can change it in **~/.zshrc** by editing the line:
```
# Path to your oh-my-zsh installation.
export ZSH=$HOME/.local/share/oh-my-zsh
```
then moving the directory to that location:
```
% mv ~/.oh-my-zsh \
$HOME/.local/share/oh-my-zsh
```
If you're using MacOS, the specification is less clear, but arguably the most appropriate place for the directory is **$HOME/Library/Application\ Support**.
### Relaunching Zsh
After editing the config, you have to relaunch your shell. Before you do that, make sure you've finished any in-progress config changes; for instance, don't change the path of **.oh-my-zsh** then forget to move the directory to its new location. If you don't want to relaunch your shell, you can **source** the config file, just as you can with Bash:
```
% source ~/.zshrc
➜  .oh-my-zsh git:(master) ✗
```
You can ignore any warnings about missing update files; they will be resolved upon relaunch.
### Changing your theme
Installing Oh My Zsh sets your Z-shell theme to **robbyrussell**, a theme by the project's maintainer. This theme's changes are minimal, mostly involving the color of your prompt.
To view all the available themes, list the contents of the **.oh-my-zsh** theme directory:
```
➜  .oh-my-zsh git:(master) ✗ ls \
~/.local/share/oh-my-zsh/themes
3den.zsh-theme
adben.zsh-theme
af-magic.zsh-theme
afowler.zsh-theme
agnoster.zsh-theme
[...]
```
To see screenshots of themes before trying them, visit the Oh My Zsh [wiki][6]. For even more themes, visit the [External themes][7] wiki page.
Most themes are simple to set up and use. Just change the value of the theme name in **.zshrc** and reload the config:
```
➜ ~ sed -i \
's/_THEME=\"robbyrussel\"/_THEME=\"linuxonly\"/g' \
~/.zshrc
➜ ~ source ~/.zshrc
seth@darkstar:pts/0->/home/skenlon (0) ➜
```
Other themes require extra configuration. For example, to use the **agnoster** theme, you must first install the Powerline font. This is an open source font, and it's probably in your software repository if you're running Linux. Install it with:
```
`➜ ~ sudo dnf install powerline-fonts`
```
Set your theme in the config:
```
➜ ~ sed -i \
's/_THEME=\"linuxonly\"/_THEME=\"agnoster\"/g' \
~/.zshrc
```
and then relaunch (a simple **source** won't work). Upon relaunch, you will see the new theme:
![agnoster theme][8]
### Installing plugins
Over 200 plugins ship with Oh My Zsh, and you can see them by looking in **.oh-my-zsh/plugins**. Each plugin directory has a README file explaining what the plugin does.
Some plugins are relatively simple. For instance, the **dnf**, **ubuntu**, **brew**, and **macports** plugins are collections of aliases to simplify interactions with the DNF, Apt, Homebrew, and MacPorts package managers.
Others are more complex. The **git** plugin, active by default, detects when you're working in a [Git repository][9] and updates your shell prompt so that it lists the current branch and even indicates whether there are unmerged changes.
To activate a plugin, add it to the plugin setting in **~/.zshrc**. For example, to add the **dnf** and **pass** plugins, open **~/.zshrc** in your favorite text editor:
```
`plugins=(git dnf pass)`
```
Save your changes and reload your Zsh session:
```
`% source ~/.zshrc`
```
The plugins are now active. You can test the **dnf** plugin by using one of the aliases it provides:
```
% dnfs fop
====== Name Exactly Matched: fop ======
fop.noarch : XSL-driven print formatter
```
Different plugins do different things, so you may want to install only one or two at a time to help you learn the new capabilities of your shell.
#### Cheating
Some Oh My Zsh plugins are pretty generic. If you look at a plugin that claims to be a Z-shell plugin and the code is also compatible with Bash, then you can use it in your Bash shell. Some plugins require Z-shell-specific functions, so this won't work with all of them. But you can load plugins like **dnf**, **ubuntu**, **[firewalld][10]**, and others into a Bash shell by using **source** to load the plugin of your choice. For example:
```
if [ -d $HOME/.local/share/oh-my-zsh/plugins ]; then
        source $HOME/.local/share/oh-my-zsh/plugins/dnf/dnf.plugin.zsh
fi
```
### To Z or not to Z
Z-shell is a powerful shell both for its built-in features and the plugins contributed by its passionate community. Whether you use it as your primary shell or just as a shell you visit on weekends or holidays, you owe it to yourself to try it out.
What are your favorite Z-shell themes and plugins? Tell us in the comments!
--------------------------------------------------------------------------------
via: https://opensource.com/article/19/9/adding-plugins-zsh
作者：[Seth Kenlon][a]
选题：[lujun9972][b]
译者：[译者ID](https://github.com/译者ID)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://opensource.com/users/sethhttps://opensource.com/users/sethhttps://opensource.com/users/sethhttps://opensource.com/users/seth
[b]: https://github.com/lujun9972
[1]: https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/build_structure_tech_program_code_construction.png?itok=nVsiLuag (Someone wearing a hardhat and carrying code )
[2]: https://opensource.com/article/19/9/getting-started-zsh
[3]: https://ohmyz.sh/
[4]: https://opensource.com/article/19/2/getting-started-cat-command
[5]: http://freedesktop.org
[6]: https://github.com/robbyrussell/oh-my-zsh/wiki/Themes
[7]: https://github.com/robbyrussell/oh-my-zsh/wiki/External-themes
[8]: https://opensource.com/sites/default/files/uploads/zsh-agnoster.jpg (agnoster theme)
[9]: https://opensource.com/resources/what-is-git
[10]: https://opensource.com/article/19/7/make-linux-stronger-firewalls

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@ -0,0 +1,194 @@
[#]: collector: (lujun9972)
[#]: translator: (amwps290)
[#]: reviewer: ( )
[#]: publisher: ( )
[#]: url: ( )
[#]: subject: (Adding themes and plugins to Zsh)
[#]: via: (https://opensource.com/article/19/9/adding-plugins-zsh)
[#]: author: (Seth Kenlon https://opensource.com/users/sethhttps://opensource.com/users/sethhttps://opensource.com/users/sethhttps://opensource.com/users/seth)
给 Zsh 添加主题和插件
======
通过 Oh My Zsh 安装的主题和插件来扩展 Zsh 的功能
![Someone wearing a hardhat and carrying code ][1]
在我的[前文][2]中，我向大家展示了如何安装并使用 [Z-Shell][2] (Zsh)。对于某些用户来说，Zsh 最令人激动的是它可以安装主题。Zsh 安装主题非常容易，一方面是因为有非常活跃的社区为 Z-Shell 设计主题，另一方面是因为有 [Oh My Zsh][3] 这个项目。这使得安装主题变得轻而易举。
主题的变化可能会立刻吸引你的注意力，因此如果你安装了 Zsh 并且将默认的 Shell 替换为 Zsh 时，你可能不喜欢 Shell 默认主题的样子，那么你可以立即更换 Oh My Zsh 自带的 100+ 的主题。Oh My Zsh 不仅拥有大量精美的主题，同时还有数以百计的扩展 Zsh 功能的插件。
### 安装 Oh My Zsh
Oh My Zsh 的[官网][3]建议你使用一个脚本在有网络的情况下来安装这个包。尽管 Oh My Zsh 项目几乎是可以令人信服的，但是盲目地在你的电脑上运行一个脚本这是一个不好的建议。如果你想运行这个脚本，你可以把它下载下来，看一下它实现了什么功能，在你确信你已经了解了它的所作所为之后，你就可以运行它了。
如果你下载了脚本并且阅读了它，你就会发现安装过程仅仅只有三步：
#### 1\. 克隆 oh-my-zsh
第一步，克隆 oh-my-zsh 库到 **~/.oh-my-zsh** 目录：
```
`% git clone http://github.com/robbyrussell/oh-my-zsh ~/.oh-my-zsh`
```
#### 2\. 切换配置文件
下一步，备份你已经存在的 **.zshrc** 文件，然后将 oh-my-zsh 自带的配置文件移动到这个地方。这两步操作可以一步完成，只需要你的 **mv** 命令支持 **-b** 这个选项。
```
% mv -b \
~/.oh-my-zsh/templates/zshrc.zsh-template \
~/.zshrc
```
#### 3\. 编辑配置文件
默认情况下，Oh My Zsh 自带的配置文件是非常简陋的。如果你想将你自己的 **~/.zshrc** 文件合并到 **.oh-my-zsh** 的配置文件中。你可以使用 [cat][4] 命令将你的旧的配置文件添加到新文件的末尾。
```
`% cat ~/.zshrc~ >> ~/.zshrc`
```
看一下默认的配置文件以及它提供的一些选项。用你最喜欢的编辑器打开 **~/.zshrc** 文件。这个文件有非常良好的注释。这是了解它的一个非常好的方法。
例如，你可以更改 **.oh-my-zsh** 目录的位置。在安装的时候，它默认是位于你的家目录。但是，根据 [Free Desktop][5] 所定义的现代 Linux 规范。这个目录应当放置于 **~/.local/share** 。你可以在配置文件中进行修改。如下所示：
```
# Path to your oh-my-zsh installation.
export ZSH=$HOME/.local/share/oh-my-zsh
```
然后将 .oh-my-zsh 目录移动到你新配置的目录下
```
% mv ~/.oh-my-zsh \
$HOME/.local/share/oh-my-zsh
```
如果你使用的是 MacOS ，这个目录可能会有点含糊不清，但是最合适的位置可能是在 **$HOME/Library/Application\ Support** 。
### 重新启动 Zsh
编辑配置文件之后，你必须重新启动你的 Shell 。在这之前，你必须确定你的任何操作都已正确完成。例如，在你修改了 **.oh-my-zsh** 目录的路径之后。不要忘记将目录移动到新的位置。如果你不想重新启动你的 Shell 。你可以使用 **source** 命令来使你的配置文件生效。
```
% source ~/.zshrc
➜  .oh-my-zsh git:(master) ✗
```
你可以忽略任何丢失更新文件的警告；他们将会在重启的时候再次进行解析。
### 更换你的主题
安装好 oh-my-zsh 之后。你可以将你的 Zsh 的主题设置为 **robbyrussell**，这是一个项目维护者的主题。这个主题的更改是非常小的，仅仅是改变了提示符的颜色。
你可以通过列出 **.oh-my-zsh** 目录下的所有文件来查看所有安装的主题：
```
➜  .oh-my-zsh git:(master) ✗ ls \
~/.local/share/oh-my-zsh/themes
3den.zsh-theme
adben.zsh-theme
af-magic.zsh-theme
afowler.zsh-theme
agnoster.zsh-theme
[...]
```
想在切换主题之前查看一下它的样子。你可以查看 Oh My Zsh 的 [wiki][6] 页面。查看更多主题，可以查看 [External themes][7] wiki 页面。
大部分的主题是非常易于安装和使用的，仅仅需要改变 **.zshrc** 文件中的配置选项然后重新载入配置文件。
```
➜ ~ sed -i \
's/_THEME=\"robbyrussel\"/_THEME=\"linuxonly\"/g' \
~/.zshrc
➜ ~ source ~/.zshrc
seth@darkstar:pts/0->/home/skenlon (0) ➜
```
其他的主题可能需要一些额外的配置。例如，为了使用 **agnoster** 主题，你必须先安装 Powerline 字体。这是一个开源字体，如果你使用 Linux 操作系统的话，这个字体很可能在你的软件库中存在。使用下面的命令安装这个字体：
```
`➜ ~ sudo dnf install powerline-fonts`
```
在配置文件中更改你的主题：
```
➜ ~ sed -i \
's/_THEME=\"linuxonly\"/_THEME=\"agnoster\"/g' \
~/.zshrc
```
重新启动你的 Sehll（一个简单的 **source** 并不会起作用）。一旦重启，你就可以看到新的主题：
![agnoster theme][8]
### 安装插件
Oh My Zsh 有超过 200 的插件，你可以在 **.oh-my-zsh/plugins** 中看到他们。每一个扩展目录下都有一个 README 文件解释了这个插件的作用。
一些插件相当简单。例如，**dnf**, **ubuntu**, **brew**, 和 **macports** 插件仅仅是为了简化与 DNF , Apt Homebres 和 MacPorts 的交互操作而定义的一些别名。
而其他的一些插件则较为复杂， **git** 插件默认是被激活使用的。当你的目录是一个 git 仓库的时候，这个扩展就会更新你的 Shell 提示符，以显示当前的分支和是否有未合并的更改。
为了激活这个扩展，你可以将这个扩展添加到你的配置文件 **~/.zshrc** 中。例如，你可以添加 **dnf** 和 **pass** 插件，按照如下的方式更改：
```
`plugins=(git dnf pass)`
```
保存修改，重新启动你的 Shell。
```
`% source ~/.zshrc`
```
这个扩展现在就可以使用了。你可以通过使用 **dnf** 提供的别名来测试一下：
```
% dnfs fop
====== Name Exactly Matched: fop ======
fop.noarch : XSL-driven print formatter
```
不同的插件做不同的事，因此你可以一次安装一两个插件来帮你学习新的特性和功能。
### 兼容性
一些 Oh My Zsh 插件具有通用性。如果你看到一个插件声称它可以与 Bash 兼容，那么它就可以在你自己的 Bash 中使用。另一些插件需要 Zsh 提供的特定功能。因此，他们并不是所有都能工作。但是你可以添加一些其他的插件，例如 **dnf**，**ubuntu** , **[firewalld][10]**，以及其他的一些插件。你可以使用 **source** 使你的选择生效。例如：
```
if [ -d $HOME/.local/share/oh-my-zsh/plugins ]; then
        source $HOME/.local/share/oh-my-zsh/plugins/dnf/dnf.plugin.zsh
fi
```
### 选择或者不选择 Zsh
Z-shell 的内置功能和它由社区贡献的扩展功能都非常强大。你可以把它当成你的主 Shell 使用，你也可以在你休闲娱乐的时候尝试一下。这取决于你的爱好。
什么是你最喜爱的主题和扩展可以在下方的评论告诉我们！
--------------------------------------------------------------------------------
via: https://opensource.com/article/19/9/adding-plugins-zsh
作者：[Seth Kenlon][a]
选题：[lujun9972][b]
译者：[amwps290](https://github.com/amwps290)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
[a]: https://opensource.com/users/sethhttps://opensource.com/users/sethhttps://opensource.com/users/sethhttps://opensource.com/users/seth
[b]: https://github.com/lujun9972
[1]: https://opensource.com/sites/default/files/styles/image-full-size/public/lead-images/build_structure_tech_program_code_construction.png?itok=nVsiLuag (Someone wearing a hardhat and carrying code )
[2]: https://opensource.com/article/19/9/getting-started-zsh
[3]: https://ohmyz.sh/
[4]: https://opensource.com/article/19/2/getting-started-cat-command
[5]: http://freedesktop.org
[6]: https://github.com/robbyrussell/oh-my-zsh/wiki/Themes
[7]: https://github.com/robbyrussell/oh-my-zsh/wiki/External-themes
[8]: https://opensource.com/sites/default/files/uploads/zsh-agnoster.jpg (agnoster theme)
[9]: https://opensource.com/resources/what-is-git
[10]: https://opensource.com/article/19/7/make-linux-stronger-firewalls