328 lines
16 KiB
Markdown
328 lines
16 KiB
Markdown
## powerlevel9k Theme for ZSH
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Powerlevel9k is a theme for ZSH which uses [Powerline
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Fonts](https://github.com/powerline/fonts). It can be used with vanilla
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ZSH, [Oh-My-Zsh](https://github.com/robbyrussell/oh-my-zsh), or
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[Prezto](https://github.com/sorin-ionescu/prezto), and can also be installed
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using [antigen](https://github.com/zsh-users/antigen).
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Look like a bad-ass. Impress everyone in 'Screenshot Your Desktop' threads. Use powerlevel9k.
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You can check out some other users' configurations in our wiki: [Show Off Your
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Config](https://github.com/bhilburn/powerlevel9k/wiki/Show-Off-Your-Config).
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There are a number of Powerline ZSH themes available, now. The developers of
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this theme focus on four primary goals:
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1. Give users a great out-of-the-box configuration with no additional
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configuration required.
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2. Make customization easy for users who do want to tweak their prompt.
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3. Provide useful segments that you can enable to make your prompt even more
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effective and helpful. We have prompt segments for everything from unit test
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coverage to your AWS instance.
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4. Optimize the code for execution speed as much as possible. A snappy terminal
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is a happy terminal.
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Here is `powerlevel9k` in action, with [some simple settings](https://github.com/bhilburn/powerlevel9k/wiki/Show-Off-Your-Config#natemccurdys-configuration).
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### Table of Contents
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1. [Installation](#installation)
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2. [Customization](#prompt-customization)
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1. [Stylizing Your Prompt](https://github.com/bhilburn/powerlevel9k/wiki/Stylizing-Your-Prompt)
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2. [Customizing Prompt Segments](#customizing-prompt-segments)
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3. [Available Prompt Segments](#available-prompt-segments)
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3. [Troubleshooting](https://github.com/bhilburn/powerlevel9k/wiki/Troubleshooting)
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Be sure to also [check out the Wiki](https://github.com/bhilburn/powerlevel9k/wiki)!
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### Installation
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There are two installation steps to go from a lame terminal to a "Power Level
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9000" terminal. Once you are done, you can optionally customize your prompt.
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[Installation Instructions](https://github.com/bhilburn/powerlevel9k/wiki/Install-Instructions)
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1. [Install the Powerlevel9k Theme](https://github.com/bhilburn/powerlevel9k/wiki/Install-Instructions#step-1-install-powerlevel9k)
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2. [Install Powerline-Patched Fonts](https://github.com/bhilburn/powerlevel9k/wiki/Install-Instructions#step-2-install-powerline-fonts)
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No configuration is necessary post-installation if you like the default
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settings, but there are plenty of segment customization options available if you
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are interested.
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### Prompt Customization
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Be sure to check out the wiki page on the additional prompt customization
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options, including color and icon settings: [Stylizing Your Prompt](https://github.com/bhilburn/powerlevel9k/wiki/Stylizing-Your-Prompt)
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#### Customizing Prompt Segments
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Customizing your prompt is easy! Select the segments you want to have displayed,
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and then assign them to either the left or right prompt by adding the following
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variables to your `~/.zshrc`. If you don't customize this, the below
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configuration is the default:
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POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context dir rbenv vcs)
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POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(status history time)
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#### Available Prompt Segments
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The segments that are currently available are:
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* [aws](#aws) - The current AWS profile, if active.
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* [battery](#battery) - Current battery status.
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* [context](#context) - Your username and host.
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* [custom_command](#custom_command) - A custom command to display the output of.
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* [dir](#dir) - Your current working directory.
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* **go_version** - Show the current GO version.
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* **history** - The command number for the current line.
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* [ip](#ip) - Shows the current IP address.
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* **load** - Your machines 5 minute load average.
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* **node_version** - Show the version number of the installed Node.js.
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* **nvm** - Show the version of Node that is currently active, if it differs from the version used by NVM
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* **os_icon** - Display a nice little icon, depending on your operating system.
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* **php_version** - Show the current PHP version.
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* [ram](#ram) - Show free RAM and used Swap.
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* [rbenv](#rbenv) - Ruby environment information (if one is active).
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* [rspec_stats](#rspec_stats) - Show a ratio of test classes vs code classes for RSpec.
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* **rust_version** - Display the current rust version.
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* [status](#status) - The return code of the previous command, and status of background jobs.
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* [symphony2_tests](#symphony2_tests) - Show a ratio of test classes vs code classes for Symfony2.
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* **symphony2_version** - Show the current Symfony2 version, if you are in a Symfony2-Project dir.
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* [time](#time) - System time.
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* [todo](http://todotxt.com/) - Shows the number of tasks in your todo.txt tasks file.
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* [vi_mode](#vi_mode)- Vi editing mode (NORMAL|INSERT).
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* **virtualenv** - Your Python [VirtualEnv](https://virtualenv.pypa.io/en/latest/).
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* [vcs](#vcs) - Information about this `git` or `hg` repository (if you are in one).
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##### aws
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If you would like to display the [current AWS
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profile](http://docs.aws.amazon.com/cli/latest/userguide/installing.html), add
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the `aws` segment to one of the prompts, and define `AWS_DEFAULT_PROFILE` in
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your `~/.zshrc`:
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export AWS_DEFAULT_PROFILE=<profile_name>
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##### battery
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This segment will display your current battery status (fails gracefully
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on systems without a battery). It can be customized in your .zshrc
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with the environment variables detailed below with their default values.
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POWERLEVEL9K_BATTERY_CHARGING="yellow"
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POWERLEVEL9K_BATTERY_CHARGED="green"
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POWERLEVEL9K_BATTERY_DISCONNECTED=$DEFAULT_COLOR
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POWERLEVEL9K_BATTERY_LOW_THRESHOLD=10
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POWERLEVEL9K_BATTERY_LOW_COLOR="red"
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In addition to the above it supports standard _FOREGROUND value without affecting the icon color
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Supports both OS X and Linux(time remaining requires the acpi program on Linux)
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##### custom_command
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The `custom_...` segment lets you add a custom command to your prompt, to e.g. display the wifi signal. You choose a name for the segment yourself, (here signal), and then set the appropriate variables, as so (based on the name you chose)
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POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context time battery dir vcs virtualenv custom_signal)
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POWERLEVEL9K_CUSTOM_SIGNAL="echo signal: \$(nmcli device wifi | grep yes | awk '{print \$8}')"
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POWERLEVEL9K_CUSTOM_SIGNAL_BACKGROUND="blue"
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POWERLEVEL9K_CUSTOM_SIGNAL_FOREGROUND="yellow"
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POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(aws status load ram)
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gives
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Instead of defining the command inline (if it is kinda long or unreadable), one can also add a function to the .zshrc like:
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zsh_signal(){
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local signal=$(nmcli device wifi | grep yes | awk '{print $8}')
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local color='%F{yellow}'
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[[ $signal -gt 75 ]] && color='%F{green}'
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[[ $signal -lt 50 ]] && color='%F{red}'
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echo -n "%{$color%}\uf230 $signal%{%f%}" # \uf230 is
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}
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And then by changing the custom commands array (and rearranging a bit the prompt elements) to read:
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POWERLEVEL9K_CUSTOM_SIGNAL="zsh_signal"
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Then this updated command looks like:
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You can also have multiple custom commands. Say you have
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POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context time battery custom_signal dir vcs virtualenv custom_time )
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POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(aws status load ram custom_docker)
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POWERLEVEL9K_CUSTOM_SIGNAL="zsh_signal"
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POWERLEVEL9K_CUSTOM_SIGNAL_FOREGROUND="white"
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POWERLEVEL9K_CUSTOM_SIGNAL_BACKGROUND="black"
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POWERLEVEL9K_CUSTOM_DOCKER='echo "\uf299 $(docker ps -a | grep Up | wc -l)"' # \uf299 is
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POWERLEVEL9K_CUSTOM_DOCKER_FOREGROUND="white"
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POWERLEVEL9K_CUSTOM_DOCKER_BACKGROUND="blue"
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POWERLEVEL9K_CUSTOM_TIME='echo "$(date +%s)"'
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POWERLEVEL9K_CUSTOM_TIME_FOREGROUND="black"
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POWERLEVEL9K_CUSTOM_TIME_BACKGROUND="yellow"
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Then you get:
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##### context
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The `context` segment (user@host string) is conditional. This lets you enable it, but only display
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it if you are not your normal user or on a remote host (basically, only print it
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when it's likely you need it).
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To use this feature, make sure the `context` segment is enabled in your prompt
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elements (it is by default), and define a `DEFAULT_USER` in your `~/.zshrc`:
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export DEFAULT_USER=<your username>
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##### dir
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The `dir` segment shows the current working directory. You can limit the output
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to a certain length:
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# Limit to the last two folders
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POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
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To change the way how the current working directory is truncated, just set:
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# truncate the middle part
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POWERLEVEL9K_SHORTEN_STRATEGY="truncate_middle"
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# truncate from right, leaving the first X characters untouched
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POWERLEVEL9K_SHORTEN_STRATEGY="truncate_from_right"
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# default behaviour is to truncate whole directories
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In each case you have to specify the length you want to shorten the directory
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to. So in some cases `POWERLEVEL9K_SHORTEN_DIR_LENGTH` means characters, in
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others whole directories.
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##### ip
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This segment shows you your current internal IP address. It tries to examine
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all currently used network interfaces and prints the first address it finds.
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In the case that this is not the right IP address you can specify the correct
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network interface by setting:
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POWERLEVEL9K_IP_INTERFACE="eth0"
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##### rspec_stats
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See [Unit Test Ratios](#unit-test-ratios), below.
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##### status
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This segment shows the return code of the last command, and the presence of any
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background jobs. By default, this segment will always print, but you can
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customize it to only print if there is an error or a forked job by setting the
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following variable in your `~/.zshrc`.
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POWERLEVEL9K_STATUS_VERBOSE=false
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##### ram
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By default this segment shows you free RAM and used Swap. If you want to show
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only one value, you can specify `POWERLEVEL9K_RAM_ELEMENTS` and set it to either
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`ram_free` or `swap_used`. Full example:
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# Show only used swap:
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POWERLEVEL9K_RAM_ELEMENTS=(swap_used)
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##### symphony2_tests
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See [Unit Test Ratios](#unit-test-ratios), below.
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##### time
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By default the time is show in 'H:M:S' format. If you want to change it,
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just set another format in your `~/.zshrc`. As an example, this is a reversed
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time format:
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# Reversed time format
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POWERLEVEL9K_TIME_FORMAT='%D{%S:%M:%H}'
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If you are using an "Awesome Powerline Font", you can add a time symbol to this
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segment, as well:
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# Output time, date, and a symbol from the "Awesome Powerline Font" set
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POWERLEVEL9K_TIME_FORMAT="%D{%H:%M:%S \uE868 %d.%m.%y}"
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##### vcs
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By default, the `vcs` segment will provide quite a bit of information. If you
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would also like for it to display the current hash / changeset, simply define
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`POWERLEVEL9K_SHOW_CHANGESET` in your `~/.zshrc`. If activated, it will show
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the first 12 characters of the changeset id. To change the amount of characters,
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set `POWERLEVEL9K_CHANGESET_HASH_LENGTH` to any value you want.
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# enable the vcs segment in general
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POWERLEVEL9K_SHOW_CHANGESET=true
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# just show the 6 first characters of changeset
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POWERLEVEL9K_CHANGESET_HASH_LENGTH=6
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You can also disable the branch icon in your prompt by setting
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`POWERLEVEL9K_HIDE_BRANCH_ICON` to `true`:
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# Hide the branch icon
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POWERLEVEL9K_HIDE_BRANCH_ICON=true
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**vcs Symbols**
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The `vcs` segment uses various symbols to tell you the state of your repository.
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These symbols depend on your installed font and selected `POWERLEVEL9K_MODE`
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from the [Installation](#Installation) section above.
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| `Compatible` | `Powerline` | `Awesome Powerline` | Explanation
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| `↑4` | `↑4` | 4 | Number of commits your repository is ahead of your remote branch
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| `↓5` | `↓5` | 5 | Number of commits your repository is behind of your remote branch
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| `⍟3` | `⍟3` | 3 | Number of stashes, here 3.
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| `●` | `●` |  | There are unstaged changes in your working copy
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| `✚` | `✚` |  | There are staged changes in your working copy
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| `?` | `?` |  | There are files in your working copy, that are unknown to your repository
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| `→` | `→` |  | The name of your branch differs from its tracking branch.
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| `☿` | `☿` |  | A mercurial bookmark is active.
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| `@` |  |  | Branch Icon
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| None | None | 2c3705 | The current commit hash. Here "2c3705"
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| None | None |  | Repository is a git repository
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| None | None |  | Repository is a Mercurial repository
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##### vi_mode
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This segment shows ZSH's current input mode. Note that this is only useful if
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you are using the [ZSH Line Editor](http://zsh.sourceforge.net/Doc/Release/Zsh-Line-Editor.html)
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(VI mode). You can enable this either by `.zshrc` configuration or using a plugin, like
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[Oh-My-Zsh's vi-mode plugin](https://github.com/robbyrussell/oh-my-zsh/blob/master/plugins/vi-mode/vi-mode.plugin.zsh).
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If you want to display a string other than "NORMAL" or "INSERT" in `command` and
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`insert-mode`, you can do so by setting the following variables in your
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`~/.zshrc`:
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POWERLEVEL9K_VI_INSERT_MODE_STRING="INSERT"
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POWERLEVEL9K_VI_COMMAND_MODE_STRING="NORMAL"
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#### Unit Test Ratios
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The `symfony2_tests` and `rspec_stats` segments both show a ratio of "real"
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classes vs test classes in your source code. This is just a very simple ratio,
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and does not show your code coverage or any sophisticated stats. All this does
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is count your source files and test files, and calculate the ratio between them.
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Just enough to give you a quick overview about the test situation of the project
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you are dealing with.
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### Other
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Looking for more information? We put a lot of stuff in our Wiki!
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[Head to the Wiki](https://github.com/bhilburn/powerlevel9k/wiki)
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