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powerlevel9k Theme for ZSH

Build Status Join the chat at https://gitter.im/bhilburn/powerlevel9k

Powerlevel9k is a theme for ZSH which uses Powerline Fonts. It can be used with vanilla ZSH or ZSH frameworks such as Oh-My-Zsh, Prezto, Antigen, and many others.

Get more out of your terminal. Be a badass. Impress everyone in 'Screenshot Your Desktop' threads. Use powerlevel9k.

You can check out some other users' configurations in our wiki: Show Off Your Config.

There are a number of Powerline ZSH themes available, now. The developers of this theme focus on four primary goals:

  1. Give users a great out-of-the-box configuration with no additional configuration required.
  2. Make customization easy for users who do want to tweak their prompt.
  3. Provide useful segments that you can enable to make your prompt even more effective and helpful. We have prompt segments for everything from unit test coverage to your AWS instance.
  4. Optimize the code for execution speed as much as possible. A snappy terminal is a happy terminal.

Here is powerlevel9k in action, with some simple settings.

Table of Contents

  1. Installation
  2. Customization
    1. Stylizing Your Prompt
    2. Customizing Prompt Segments
    3. Available Prompt Segments
  3. Troubleshooting

Be sure to also check out the Wiki!

Installation

There are two installation steps to go from a lame terminal to a "Power Level 9000" terminal. Once you are done, you can optionally customize your prompt.

Installation Instructions

  1. Install the Powerlevel9k Theme
  2. Install Powerline-Patched Fonts

No configuration is necessary post-installation if you like the default settings, but there are plenty of segment customization options available if you are interested.

Prompt Customization

Be sure to check out the wiki page on the additional prompt customization options, including color and icon settings: Stylizing Your Prompt

Customizing Prompt Segments

Customizing your prompt is easy! Select the segments you want to have displayed, and then assign them to either the left or right prompt by adding the following variables to your ~/.zshrc.

Variable Default Value Description
POWERLEVEL9K_LEFT_PROMPT_ELEMENTS (context dir rbenv vcs) Segment list for left prompt
POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS (status history time) Segment list for right prompt

So if you wanted to set these variables manually, you would put the following in your ~/.zshrc:

POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context dir rbenv vcs)
POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(status history time)

Available Prompt Segments

The segments that are currently available are:

System Status Segments:

  • background_jobs - Indicator for background jobs.
  • battery - Current battery status.
  • context - Your username and host.
  • dir - Your current working directory.
  • history - The command number for the current line.
  • ip - Shows the current IP address.
  • load - Your machine's load averages.
  • os_icon - Display a nice little icon, depending on your operating system.
  • ram - Show free RAM.
  • root_indicator - An indicator if the user has superuser status.
  • status - The return code of the previous command.
  • swap - Prints the current swap size.
  • time - System time.
  • vi_mode- Your prompt's Vi editing mode (NORMAL|INSERT).

Development Environment Segments:

  • vcs - Information about this git or hg repository (if you are in one).

Language Segments:

  • GoLang Segments:
    • go_version - Show the current GO version.
  • Javascript / Node.js Segments:
    • node_version - Show the version number of the installed Node.js.
    • nodeenv - nodeenv prompt for displaying node version and environment name.
    • nvm - Show the version of Node that is currently active, if it differs from the version used by NVM
  • PHP Segments:
    • php_version - Show the current PHP version.
    • symfony2_tests - Show a ratio of test classes vs code classes for Symfony2.
    • symfony2_version - Show the current Symfony2 version, if you are in a Symfony2-Project dir.
  • Python Segments:
    • virtualenv - Your Python VirtualEnv.
    • anaconda - Your active Anaconda environment.
    • pyenv - Your active python version as reported by the first word of pyenv version. Note that the segment is not displayed if that word is system i.e. the segment is inactive if you are using system python.
  • Ruby Segments:
    • chruby - Ruby environment information using chruby (if one is active).
    • rbenv - Ruby environment information using rbenv (if one is active).
    • rspec_stats - Show a ratio of test classes vs code classes for RSpec.
  • Rust Segments:
    • rust_version - Display the current rust version and logo.

Cloud Segments:

  • AWS Segments:
    • aws - The current AWS profile, if active.
    • aws_eb_env - The current Elastic Beanstalk Environment.
  • docker_machine - The current Docker Machine.

Other:

  • custom_command - Create a custom segment to display the output of an arbitrary command.
  • todo - Shows the number of tasks in your todo.txt tasks file.
anaconda

This segment shows your active anaconda environment.

Note: This segment relies on a perl-regex with lookbehind. If ack is not available the segment will try to use grep. Recent versions of grep offer a -P option to handle such things. On OSX, however, you want to install gnu-grep (e.g. via brew install grep) and alias the newly installed ggrep to grep. Alternatively, brew install ack.

aws

If you would like to display the current AWS profile, add the aws segment to one of the prompts, and define AWS_DEFAULT_PROFILE in your ~/.zshrc:

Variable Default Value Description
AWS_DEFAULT_PROFILE None Your AWS profile name
background_jobs
Variable Default Value Description
POWERLEVEL9K_BACKGROUND_JOBS_VERBOSE true If there is more than one background job, this segment will show the number of jobs. Set this to false to turn this feature off.
battery

This segment will display your current battery status (fails gracefully on systems without a battery). It is supported on both OSX and Linux (note that it requires acpi on Linux).

Variable Default Value Description
POWERLEVEL9K_BATTERY_CHARGING "yellow" Color to indicate a charging battery.
POWERLEVEL9K_BATTERY_CHARGED "green" Color to indicate a charged battery.
POWERLEVEL9K_BATTERY_DISCONNECTED $DEFAULT_COLOR Color to indicate absence of battery.
POWERLEVEL9K_BATTERY_LOW_THRESHOLD 10 Threshold to consider battery level critical.
POWERLEVEL9K_BATTERY_LOW_COLOR "red" Color to indicate critically low charge level.

Note that you can modify the _FOREGROUND color without affecting the icon color.

custom_command

The custom_... segment allows you to turn the output of a custom command into a prompt segment. As an example, if you wanted to create a custom segment to display your WiFi signal strength, you might define a custom segment called custom_wifi_signal like this:

POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context time battery dir vcs virtualenv custom_wifi_signal)
POWERLEVEL9K_CUSTOM_WIFI_SIGNAL="echo signal: \$(nmcli device wifi | grep yes | awk '{print \$8}')"
POWERLEVEL9K_CUSTOM_WIFI_SIGNAL_BACKGROUND="blue"
POWERLEVEL9K_CUSTOM_WIFI_SIGNAL_FOREGROUND="yellow"

If you prefer, you can also define the function in your .zshrc rather than putting it in-line with the variable export, as shown above. Just don't forget to invoke your function from your segment! Example code that achieves the same result as the above:

zsh_wifi_signal(){
        local signal=$(nmcli device wifi | grep yes | awk '{print $8}')
        local color='%F{yellow}'
        [[ $signal -gt 75 ]] && color='%F{green}'
        [[ $signal -lt 50 ]] && color='%F{red}'
        echo -n "%{$color%}\uf230  $signal%{%f%}" # \uf230 is 
}

POWERLEVEL9K_CUSTOM_WIFI_SIGNAL="zsh_wifi_signal"
POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context time battery dir vcs virtualenv custom_wifi_signal)

The command, above, gives you the wireless signal segment shown below:

signal

You can define as many custom segments as you wish. If you think you have a segment that others would find useful, please consider upstreaming it to the main theme distribution so that everyone can use it!

context

The context segment (user@host string) is conditional. This lets you enable it, but only display it if you are not your normal user or on a remote host (basically, only print it when it's likely you need it).

To use this feature, make sure the context segment is enabled in your prompt elements (it is by default), and define a DEFAULT_USER in your ~/.zshrc:

Variable Default Value Description
DEFAULT_USER None Username to consider a "default context" (you can also use $USER)
dir

The dir segment shows the current working directory. When using the "Awesome Powerline" fonts, there are additional glyphs, as well:

Compatible Powerline Awesome Powerline Situation
None None At the root of your home folder
None None Within a subfolder of your home directory
None None Outside of your home folder

To turn off these icons you could set these variables to an empty string.

POWERLEVEL9K_HOME_ICON=''
POWERLEVEL9K_HOME_SUB_ICON=''
POWERLEVEL9K_FOLDER_ICON=''

You can limit the output to a certain length by truncating long paths. Customizations available are:

Variable Default Value Description
POWERLEVEL9K_SHORTEN_DIR_LENGTH 2 If your shorten strategy, below, is entire directories, this field determines how many directories to leave at the end. If your shorten strategy is by character count, this field determines how many characters to allow per directory string.
POWERLEVEL9K_SHORTEN_STRATEGY None How the directory strings should be truncated. By default, it will truncate whole directories. Other options are truncate_middle, which leaves the start and end of the directory strings, and truncate_from_right, which cuts starting from the end of the string. You can also use truncate_with_package_name to use the package.json name field to abbreviate the directory path.
POWERLEVEL9K_SHORTEN_DELIMITER .. Delimiter to use in truncated strings. This can be any string you choose, including an empty string if you wish to have no delimiter.

For example, if you wanted the truncation behavior of the fish shell, which truncates /usr/share/plasma to /u/s/plasma, you would use the following:

POWERLEVEL9K_SHORTEN_DIR_LENGTH=1
POWERLEVEL9K_SHORTEN_DELIMITER=""
POWERLEVEL9K_SHORTEN_STRATEGY="truncate_from_right"

In each case you have to specify the length you want to shorten the directory to. So in some cases POWERLEVEL9K_SHORTEN_DIR_LENGTH means characters, in others whole directories.

The truncate_with_package_name strategy gives your directory path relative to the root of your project. For example, if you have a project inside $HOME/projects/my-project with a package.json that looks like:

{
  "name": "my-cool-project"
}

the path shown would be my-cool-project. If you navigate to $HOME/projects/my-project/src, then the path shown would be my-cool-project/src. Please note that this currently looks for .git directory to determine the root of the project.

ip

This segment tries to examine all currently used network interfaces and prints the first address it finds. In the case that this is not the right NIC, you can specify the correct network interface by setting:

Variable Default Value Description
POWERLEVEL9K_IP_INTERFACE None The NIC for which you wish to display the IP address. Example: eth0.
rbenv

This segment shows the version of Ruby being used when using rbenv to change your current Ruby stack.

It figures out the version being used by taking the output of the rbenv version-name command.

  • If rbenv is not in $PATH, nothing will be shown.
  • If the current Ruby version is the same as the global Ruby version, nothing will be shown.
rspec_stats

See Unit Test Ratios, below.

status

This segment shows the return code of the last command.

Variable Default Value Description
POWERLEVEL9K_STATUS_VERBOSE true Set to false if you wish to hide this segment when the last command completed successfully.
ram
Variable Default Value Description
POWERLEVEL9K_RAM_ELEMENTS Both Specify ram_free or swap_used to only show one or the other rather than both.
symfony2_tests

See Unit Test Ratios, below.

time
Variable Default Value Description
POWERLEVEL9K_TIME_FORMAT 'H:M:S' ZSH time format to use in this segment.

As an example, if you wanted a reversed time format, you would use this:

# Reversed time format
POWERLEVEL9K_TIME_FORMAT='%D{%S:%M:%H}'

If you are using an "Awesome Powerline Font", you can add a time symbol to this segment, as well:

# Output time, date, and a symbol from the "Awesome Powerline Font" set
POWERLEVEL9K_TIME_FORMAT="%D{%H:%M:%S \uE868  %d.%m.%y}"
vcs

By default, the vcs segment will provide quite a bit of information. Further customization is provided via:

Variable Default Value Description
POWERLEVEL9K_HIDE_BRANCH_ICON false Set to true to hide the branch icon from the segment.
POWERLEVEL9K_SHOW_CHANGESET false Set to true to display the hash / changeset in the segment.
POWERLEVEL9K_CHANGESET_HASH_LENGTH 12 How many characters of the hash / changeset to display in the segment.
POWERLEVEL9K_VCS_SHOW_SUBMODULE_DIRTY true Set to false to not reflect submodule status in the top-level repository prompt.

vcs Symbols

The vcs segment uses various symbols to tell you the state of your repository. These symbols depend on your installed font and selected POWERLEVEL9K_MODE from the Installation section above.

Compatible Powerline Awesome Powerline Explanation
↑4 ↑4 icon_outgoing4 Number of commits your repository is ahead of your remote branch
↓5 ↓5 icon_incoming5 Number of commits your repository is behind of your remote branch
⍟3 ⍟3 icon_stash3 Number of stashes, here 3.
● ● icon_unstaged There are unstaged changes in your working copy
✚ ✚ icon_staged There are staged changes in your working copy
? ? icon_untracked There are files in your working copy, that are unknown to your repository
→ → icon_remote_tracking_branch The name of your branch differs from its tracking branch.
☿ ☿ icon_bookmark A mercurial bookmark is active.
@ icon_branch_powerline Branch Icon
None None icon_commit2c3705 The current commit hash. Here "2c3705"
None None icon_git Repository is a git repository
None None icon_mercurial Repository is a Mercurial repository
vi_mode

This segment shows ZSH's current input mode. Note that this is only useful if you are using the ZSH Line Editor (VI mode). You can enable this either by .zshrc configuration or using a plugin, like Oh-My-Zsh's vi-mode plugin.

Variable Default Value Description
POWERLEVEL9K_VI_INSERT_MODE_STRING "INSERT" String to display while in 'Insert' mode.
POWERLEVEL9K_VI_COMMAND_MODE_STRING "NORMAL" String to display while in 'Command' mode.

Unit Test Ratios

The symfony2_tests and rspec_stats segments both show a ratio of "real" classes vs test classes in your source code. This is just a very simple ratio, and does not show your code coverage or any sophisticated stats. All this does is count your source files and test files, and calculate the ratio between them. Just enough to give you a quick overview about the test situation of the project you are dealing with.

tl; dr

Want to just get a quick start? Check out the Show Off Your Config portion of the wiki to get going.

The Wiki also has a ton of other useful information!