Highly configurable prompt builder for Bash, ZSH and PowerShell written in Go.

Overview

Go Bullet Train (GBT)

Highly configurable prompt builder for Bash, ZSH and PowerShell written in Go. It's inspired by the Oh My ZSH Bullet Train theme but runs significantly faster.

Demo

GBT comes with an interesting feature called prompt forwarding which allows to forward user-defined prompt to a remote machine and have the same-looking prompt across all machines via SSH but also in Docker, Kubectl, Vagrant, MySQL or in Screen without the need to install anything remotely.

Prompt forwarding demo

All the above works well on Linux (Terminator, Konsole, Gnome Terminal), Mac (Terminal, iTerm), Android (Termux) and Windows (PowerShell, Windows Terminal).

Release Build status Coverage Status Packagecloud

Table of contents

Setup

In order to setup GBT on your machine, you have to install it, activate it and setup a special font in your terminal (optional).

Installation

Arch Linux

yaourt -S gbt

Or install gbt-git if you would like to run the latest greatest from the master branch.

CentOS/RHEL

Packages hosted by Packagecloud:

echo '[gbt]
name=GBT YUM repo
baseurl=https://packagecloud.io/gbt/release/el/7/$basearch
gpgkey=https://packagecloud.io/gbt/release/gpgkey
       https://packagecloud.io/gbt/release/gpgkey/gbt-release-4C6E79EFF45439B6.pub.gpg
gpgcheck=1
repo_gpgcheck=1' | sudo tee /etc/yum.repos.d/gbt.repo >/dev/null
sudo yum install gbt

Use the exact repository definition from above for all RedHat-based distribution regardless its version.

Ubuntu/Debian

Packages hosted by Packagecloud:

curl -L https://packagecloud.io/gbt/release/gpgkey | sudo apt-key add -
echo 'deb https://packagecloud.io/gbt/release/ubuntu/ xenial main' | sudo tee /etc/apt/sources.list.d/gbt.list >/dev/null
sudo apt-get update
sudo apt-get install gbt

Use the exact repository definition from above for all Debian-based distribution regardless its version.

Mac

Using brew:

brew tap jtyr/repo
brew install gbt

Or install gbt-git if you would like to run the latest greatest from the master branch:

brew tap jtyr/repo
brew install --HEAD gbt-git

Windows

Using choco:

choco install gbt

Using scoop:

scoop install gbt

Or manually by copying the gbt.exe file into a directory listed in the PATH environment variable (e.g. C:\Windows\system32).

Android

Install Termux from Google Play Store and then type this in the Termux app:

apt update
apt install gbt

From the source code

Make sure Go is installed and then run the following on Linux and Mac:

mkdir ~/go
export GOPATH=~/go
export PATH="$PATH:$GOPATH/bin"
go get github.com/jtyr/gbt/cmd/gbt

Or the following on Windows using PowerShell:

mkdir ~/go
$Env:GOPATH = '~/go'
$Env:PATH = "~/go/bin;$Env:PATH"
go get github.com/jtyr/gbt/cmd/gbt

Activation

After GBT is installed, it can be activated by calling it from the shell prompt variable:

# For Bash
PS1='$(gbt $?)'

# For ZSH
PROMPT='$(gbt $?)'

If you are using ZSH together with some shell framework (e.g. Oh My ZSH), your shell is processing a fair amount of shell scripts upon ever prompt appearance. You can speed up your shell by removing the framework dependency from your configuration and replacing it with GBT and a simple ZSH configuration. Combining pure ZSH configuration with GBT will provide the best possible performance for your shell.

To activate GBT in PowerShell, run the following in the console or store it to the PowerShell profile file (echo $profile):

function prompt {
    $rc = [int]$(-Not $?)
    $Env:GBT_SHELL = 'plain'
    $Env:PWD = get-location
    $Env:GBT_CAR_CUSTOM_EXECUTOR='powershell.exe'
    $Env:GBT_CAR_CUSTOM_EXECUTOR_PARAM='-Command'
    $gbt_output = & @({gbt $rc},{gbt.exe $rc})[$PSVersionTable.PSVersion.Major -lt 6 -or $IsWindows] | Out-String
    $gbt_output = $gbt_output -replace ([Environment]::NewLine + '$'), ''
    Write-Host -NoNewline $gbt_output
    return [char]0
}
# Needed only on Windows
[console]::InputEncoding = [console]::OutputEncoding = New-Object System.Text.UTF8Encoding

Fonts and colors

Although GBT can be configured to use only ASCII characters (see basic theme), the default configuration uses some UTF-8 characters which require special font. In order to display all characters of the default prompt correctly, the shell should support UTF-8 and Nerd fonts (or at least the DejaVuSansMono Nerd font) should be installed. On Linux, you can install it like this:

mkdir ~/.fonts
curl -L -o ~/.fonts/DejaVuSansMonoNerdFontCompleteMono.ttf https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/DejaVuSansMono/Regular/complete/DejaVu%20Sans%20Mono%20Nerd%20Font%20Complete%20Mono.ttf
fc-cache

On Mac, it can be installed via brew:

brew tap homebrew/cask-fonts
brew install --cask font-dejavu-sans-mono-nerd-font

On Windows, it can be installed via choco:

choco install font-nerd-DejaVuSansMono

Or via scoop:

scoop bucket add nerd-fonts
scoop install DejaVuSansMono-NF

Or just download the font, open it and then install it.

Once the font is installed, it has to be set in the terminal application to render all prompt characters correctly. Search for the font name DejaVuSansMono Nerd Font Mono on Linux and Mac and DejaVuSansMono NF on Windows.

In order to have the Nerd font in Termux on Android, you have to install Termux:Styling application. Then longpress the terminal screen and select MORE...StyleCHOOSE FONT and there choose the DejaVu font.

Some Unix terminals might not use 256 color palette by default. In such case try to set the following:

export TERM='xterm-256color'

Configuration

The prompt (train) is assembled from several elements (cars). The look and behavior of whole train as well as each car can be influenced by a set of environment variables. To set the environment variable, use export in the Linux and Mac shell and $Env: on Windows.

Colors

The value of all _BG and _FG variables defines the background and foreground color of the particular element. The value of the color can be specified in 3 ways:

Color name

Only a limited number of named colors is supported:

  • black black
  • red red
  • green green
  • yellow yellow
  • blue blue
  • magenta magenta
  • cyan cyan
  • light_gray light_gray
  • dark_gray dark_gray
  • light_red light_red
  • light_green light_green
  • light_green light_yellow
  • light_blue light_blue
  • light_magenta light_magenta
  • light_cyan light_cyan
  • white white
  • default (default color of the terminal)

Examples:

# Set the background color of the `Dir` car to red
export GBT_CAR_DIR_BG='red'
# Set the foreground color of the `Dir` car to white
export GBT_CAR_DIR_FG='white'

Color number

Color can also by expressed by a single number in the range from 0 to 255. The color of each number in that range is visible in the 256-color lookup table on Wikipedia. The named colors described above are the first 16 numbers from the lookup table.

Examples:

# Set the background color of the `Dir` car to red
export GBT_CAR_DIR_BG='1'
# Set the foreground color of the `Dir` car to white
export GBT_CAR_DIR_FG='15'

RGB color

Arbitrary color can be expressed in the form of RGB triplet.

Examples:

# Set the background color of the `Dir` car to red
export GBT_CAR_DIR_BG='170;0;0'
# Set the foreground color of the `Dir` car to white
export GBT_CAR_DIR_FG='255;255;255'

Color scheme resistance

GBT is using 8-bit color palette to color individual cars of the train. First 16 colors (Standart and High-intensity colors) of the palette are prone to a change if the terminal is using some color scheme (e.g. Solarized). That means that if one GBT train uses mixture of the first 16 and the remaining 240 colors, the look might be inconsistent because some of the colors might change (depending on the color scheme) and some not. Luckily the first 16 colors can be found in the remaining 240 colors and therefore GBT can automatically convert the first 16 colors into higher colors which provides consistent look regardless the color scheme. This works automatically for color names as well as for color numbers. If needed, the automatic conversion can be disabled with the following variable:

export GBT_FORCE_HIGHER_COLORS='0'

Formatting

Formatting is done via _FM variables. The possible values are:

  • normal

    Makes the text normal.

  • dim

    Makes the text dim.

  • bold

    Makes the text bold. Not all font characters have variant for bold formatting.

  • underline

    Makes the text underlined.

  • blink

    Makes the text to blink.

  • invert

    Makes the text color inverted.

  • hide

    Makes the text hidden.

  • none

    No formatting applied.

    Multiple formattings can be combined into comma-separated list.

    Examples:

    # Set the directory name to be bold
    export GBT_CAR_DIR_FM='bold'
    # Set the directory name to be bold and underlined
    export GBT_CAR_DIR_FM='bold,underline'

Train variables

  • GBT_CARS='Status, Os, Hostname, Dir, Git, Sign'

    List of cars used in the train.

    To add a new car into the train, the whole variable must be redefined. For example in order to add the Time car into the default set of cars between the Os and Hostname car, the variable should look like this:

    export GBT_CARS='Status, Os, Time, Hostname, Dir, Git, Sign'
  • GBT_RCARS='Time'

    The same like GBT_CARS but for the right hand side prompt.

    # Add the Custom car into the right hand site car to have the separator visible
    export GBT_RCARS='Custom, Time'
    # Make the Custom car to be invisible (zero length text)
    export GBT_CAR_CUSTOM_BG='default'
    export GBT_CAR_CUSTOM_FORMAT=''
    # Show only time
    export GBT_CAR_TIME_FORMAT=' {{ Time }} '
    # Set the right hand side prompt (ZSH only)
    RPROMPT='$(gbt -right)'
  • GBT_SEPARATOR=''

    Character used to separate cars in the train.

  • GBT_RSEPARATOR=''

    The same like GBT_SEPARATOR but for the right hand side prompt.

  • GBT_CAR_BG

    Background color inherited by the top background color variable of every car. That allows to set the background color of all cars via single variable.

  • GBT_CAR_FG

    Foreground color inherited by the top foreground color variable of every car. That allows to set the foreground color of all cars via single variable.

  • GBT_CAR_FM

    Formatting inherited by the top formatting variable of every car. That allows to set the formatting of all cars via single variable.

  • GBT_BEGINNING_BG='default'

    Background color of the text shown at the beginning of the train.

  • GBT_BEGINNING_FG='default'

    Foreground color of the text shown at the beginning of the train.

  • GBT_BEGINNING_FM='none'

    Formatting of the text shown at the beginning of the train.

  • GBT_BEGINNING_TEXT=''

    Text shown at the beginning of the train.

  • GBT_SHELL

    Indicates which shell is used. The value can be either zsh, bash or plain. By default, the value is extracted from the $SHELL environment variable. Set this variable to bash if your default shell is ZSH but you want to test GBT in Bash:

    export GBT_SHELL='bash'
    bash

    If set to plain, no shell-specific decoration is included in the output text. That's suitable for displaying the GBT-generated string in the console output.

  • GBT_DEBUG='0'

    Shows more verbose output if some of the car modules cannot be imported.

Cars variables

Aws car

Car that displays information about the local AWS configuration.

  • GBT_CAR_AWS_BG='166'

    Background color of the car.

  • GBT_CAR_AWS_FG='white'

    Foreground color of the car.

  • GBT_CAR_AWS_FM='none'

    Formatting of the car.

  • GBT_CAR_AWS_FORMAT=' {{ Icon }} {{ Project }} '

    Format of the car.

  • GBT_CAR_AWS_ICON_BG

    Background color of the {{ Icon }} element.

  • GBT_CAR_AWS_ICON_FG

    Foreground color of the {{ Icon }} element.

  • GBT_CAR_AWS_ICON_FM

    Formatting of the {{ Icon }} element.

  • GBT_CAR_AWS_ICON_TEXT=''

    Text content of the {{ Icon }} element.

  • GBT_CAR_AWS_PROFILE_BG

    Background color of the {{ Profile }} element.

  • GBT_CAR_AWS_PROFILE_FG

    Foreground color of the {{ Profile }} element.

  • GBT_CAR_AWS_PROFILE_FM

    Formatting of the {{ Profile }} element.

  • GBT_CAR_AWS_PROFILE_TEXT

    Text content of the {{ Profile }} element specifying the configured profile.

  • GBT_CAR_AWS_REGION_BG

    Background color of the {{ Region }} element.

  • GBT_CAR_AWS_REGION_FG

    Foreground color of the {{ Region }} element.

  • GBT_CAR_AWS_REGION_FM

    Formatting of the {{ Region }} element.

  • GBT_CAR_AWS_REGION_TEXT

    Text content of the {{ Region }} element specifying the configured region.

  • GBT_CAR_AWS_DISPLAY

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_AWS_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_AWS_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_AWS_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_AWS_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_AWS_SEP_FM

    Formatting of the separator for this car.

Azure car

Car that displays information about the local Azure configuration.

  • GBT_CAR_AZURE_BG='32'

    Background color of the car.

  • GBT_CAR_AZURE_FG='white'

    Foreground color of the car.

  • GBT_CAR_AZURE_FM='none'

    Formatting of the car.

  • GBT_CAR_AZURE_FORMAT=' {{ Icon }} {{ Subscription }} '

    Format of the car.

  • GBT_CAR_AZURE_ICON_BG

    Background color of the {{ Icon }} element.

  • GBT_CAR_AZURE_ICON_FG

    Foreground color of the {{ Icon }} element.

  • GBT_CAR_AZURE_ICON_FM

    Formatting of the {{ Icon }} element.

  • GBT_CAR_AZURE_ICON_TEXT='ﴃ'

    Text content of the {{ Icon }} element.

  • GBT_CAR_AZURE_CLOUD_BG

    Background color of the {{ Cloud }} element.

  • GBT_CAR_AZURE_CLOUD_FG

    Foreground color of the {{ Cloud }} element.

  • GBT_CAR_AZURE_CLOUD_FM

    Formatting of the {{ Cloud }} element.

  • GBT_CAR_AZURE_CLOUD_TEXT

    Text content of the {{ Cloud }} element specifying the configured cloud.

  • GBT_CAR_AZURE_SUBSCRIPTION_BG

    Background color of the {{ Subscription }} element.

  • GBT_CAR_AZURE_SUBSCRIPTION_FG

    Foreground color of the {{ Subscription }} element.

  • GBT_CAR_AZURE_SUBSCRIPTION_FM

    Formatting of the {{ Subscription }} element.

  • GBT_CAR_AZURE_SUBSCRIPTION_TEXT

    Text content of the {{ Subscription }} element specifying the configured subscription.

  • GBT_CAR_AZURE_USERNAME_BG

    Background color of the {{ UserName }} element.

  • GBT_CAR_AZURE_USERNAME_FG

    Foreground color of the {{ UserName }} element.

  • GBT_CAR_AZURE_USERNAME_FM

    Formatting of the {{ UserName }} element.

  • GBT_CAR_AZURE_USERNAME_TEXT

    Text content of the {{ UserName }} element specifying the configured user name.

  • GBT_CAR_AZURE_USERTYPE_BG

    Background color of the {{ UserType }} element.

  • GBT_CAR_AZURE_USERTYPE_FG

    Foreground color of the {{ UserType }} element.

  • GBT_CAR_AZURE_USERTYPE_FM

    Formatting of the {{ UserType }} element.

  • GBT_CAR_AZURE_USERTYPE_TEXT

    Text content of the {{ UserType }} element specifying the configured user type.

  • GBT_CAR_AZURE_STATE_BG

    Background color of the {{ State }} element.

  • GBT_CAR_AZURE_STATE_FG

    Foreground color of the {{ State }} element.

  • GBT_CAR_AZURE_STATE_FM

    Formatting of the {{ State }} element.

  • GBT_CAR_AZURE_STATE_TEXT

    Text content of the {{ State }} element specifying the configured subscription state.

  • GBT_CAR_AZURE_DEFAULTS_GROUP_BG

    Background color of the {{ DefaultsGroup }} element.

  • GBT_CAR_AZURE_DEFAULTS_GROUP_FG

    Foreground color of the {{ DefaultsGroup }} element.

  • GBT_CAR_AZURE_DEFAULTS_GROUP_FM

    Formatting of the {{ DefaultsGroup }} element.

  • GBT_CAR_AZURE_DEFAULTS_GROUP_TEXT

    Text content of the {{ DefaultsGroup }} element specifying the configured default resource group.

  • GBT_CAR_AZURE_DISPLAY

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_AZURE_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_AZURE_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_AZURE_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_AZURE_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_AZURE_SEP_FM

    Formatting of the separator for this car.

Custom car

The main purpose of this car is to provide the possibility to create car with custom text.

  • GBT_CAR_CUSTOM_BG='yellow'

    Background color of the car.

  • GBT_CAR_CUSTOM_FG='default'

    Foreground color of the car.

  • GBT_CAR_CUSTOM_FM='none'

    Formatting of the car.

  • GBT_CAR_CUSTOM_FORMAT=' {{ Text }} '

    Format of the car.

  • GBT_CAR_CUSTOM_TEXT_BG

    Background color of the {{ Text }} element.

  • GBT_CAR_CUSTOM_TEXT_FG

    Foreground color of the {{ Text }} element.

  • GBT_CAR_CUSTOM_TEXT_FM

    Formatting of the {{ Text }} element.

  • GBT_CAR_CUSTOM_TEXT_TEXT='?'

    Text content of the {{ Text }} element.

  • GBT_CAR_CUSTOM_TEXT_CMD

    The {{ Text }} element will be replaced by standard output of the command specified in this variable. Content of the GBT_CAR_CUSTOM_TEXT_TEXT variable takes precedence over this variable.

    # Show 1 minute loadavg as the content of the Text element
    export GBT_CAR_CUSTOM_TEXT_CMD="uptime | sed -e 's/.*load average: //' -e 's/,.*//'"
  • GBT_CAR_CUSTOM_TEXT_EXECUTOR='sh'

    Executor used to execute all text command (_TEXT_CMD).

  • GBT_CAR_CUSTOM_TEXT_EXECUTOR='-c'

    Parameter for the executor used to execute text command (_TEXT_CMD).

  • GBT_CAR_CUSTOM_DISPLAY='1'

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_CUSTOM_DISPLAY_CMD

    Command which gets executed in order to evaluate whether the car should be displayed or not. Content of the GBT_CAR_CUSTOM_DISPLAY variable takes precedence over this variable.

  • GBT_CAR_CUSTOM_DISPLAY_EXECUTOR='sh'

    Executor used to execute all display command (_TEXT_CMD).

  • GBT_CAR_CUSTOM_DISPLAY_EXECUTOR='-c'

    Parameter for the executor used to execute display command (_TEXT_CMD).

    # Show percentage of used disk space of the root partition
    export GBT_CAR_CUSTOM_TEXT_CMD="df -h --output=pcent / | tail -n1 | sed -re 's/\s//g' -e 's/%/%%/'"
    # Display the car only if the percentage is above 90%
    export GBT_CAR_CUSTOM_DISPLAY_CMD="[[ $(df -h --output=pcent / | tail -n1 | sed -re 's/\s//g' -e 's/%//') -gt 70 ]] && echo YES"
  • GBT_CAR_CUSTOM_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_CUSTOM_EXECUTOR='sh'

    Executor used to execute all custom commands (_TEXT_CMD and _DISPLAY_CMD).

  • GBT_CAR_CUSTOM_EXECUTOR='-c'

    Parameter for the executor used to execute all custom commands (_TEXT_CMD and _DISPLAY_CMD).

  • GBT_CAR_CUSTOM_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_CUSTOM_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_CUSTOM_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_CUSTOM_SEP_FM

    Formatting of the separator for this car.

Multiple Custom cars can be used in the GBT_CARS variable. Just add some identifier behind the car name. To set properties of the new car, just add the same identifier into the environment variable:

# Adding Custom and Custom1 car
export GBT_CARS='Status, Os, Custom, Custom1, Hostname, Dir, Git, Sign'
# The text of the default Custom car
export GBT_CAR_CUSTOM_TEXT_TEXT='default'
# The text of the Custom1 car
export GBT_CAR_CUSTOM1_TEXT_TEXT='1'
# Set different background color for the Custom1 car
export GBT_CAR_CUSTOM1_BG='magenta'

Dir car

Car that displays current directory name.

  • GBT_CAR_DIR_BG='blue'

    Background color of the car.

  • GBT_CAR_DIR_FG='light_gray'

    Foreground color of the car.

  • GBT_CAR_DIR_FM='none'

    Formatting of the car.

  • GBT_CAR_DIR_FORMAT=' {{ Dir }} '

    Format of the car.

  • GBT_CAR_DIR_DIR_BG

    Background color of the {{ Dir }} element.

  • GBT_CAR_DIR_DIR_FG

    Foreground color of the {{ Dir }} element.

  • GBT_CAR_DIR_DIR_FM

    Formatting of the {{ Dir }} element.

  • GBT_CAR_DIR_DIR_TEXT

    Text content of the {{ Dir }} element. The directory name.

  • GBT_CAR_DIR_DIRSEP

    OS-default character used to separate directories.

  • GBT_CAR_DIR_HOMESIGN='~'

    Character which represents the user's home directory. If set to empty string, full home directory path is used instead.

  • GBT_CAR_DIR_DEPTH='1'

    Number of directories to show.

  • GBT_CAR_DIR_NONCURLEN='255'

    Indicates how many characters of the non-current directory name should be displayed. This can be set to 1 to display only the first character of the directory name when using GBT_CAR_DIR_DEPTH with value grater than one.

  • GBT_CAR_DIR_DISPLAY='1'

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_DIR_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_DIR_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_DIR_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_DIR_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_DIR_SEP_FM

    Formatting of the separator for this car.

ExecTime car

Car that displays how long each shell command run.

  • GBT_CAR_EXECTIME_BG='light_gray'

    Background color of the car.

  • GBT_CAR_EXECTIME_FG='black'

    Foreground color of the car.

  • GBT_CAR_EXECTIME_FM='none'

    Formatting of the car.

  • GBT_CAR_EXECTIME_FORMAT=' {{ Time }} '

    Format of the car.

  • GBT_CAR_EXECTIME_DURATION_BG

    Background color of the {{ Duration }} element.

  • GBT_CAR_EXECTIME_DURATION_FG

    Foreground color of the {{ Duration }} element.

  • GBT_CAR_EXECTIME_DURATION_FM

    Formatting of the {{ Duration }} element.

  • GBT_CAR_EXECTIME_DURATION_TEXT

    Text content of the {{ Duration }} element. The duration of the execution time (e.g 1h8m19s135ms for precision set to 3).

  • GBT_CAR_EXECTIME_SECONDS_BG

    Background color of the {{ Seconds }} element.

  • GBT_CAR_EXECTIME_SECONDS_FG

    Foreground color of the {{ Seconds }} element.

  • GBT_CAR_EXECTIME_SECONDS_FM

    Formatting of the {{ Seconds }} element.

  • GBT_CAR_EXECTIME_SECONDS_TEXT

    Text content of the {{ Seconds }} element. The execution time in seconds (e.g. 4099.1358 for precision set to 4).

  • GBT_CAR_EXECTIME_TIME_BG

    Background color of the {{ Time }} element.

  • GBT_CAR_EXECTIME_TIME_FG

    Foreground color of the {{ Time }} element.

  • GBT_CAR_EXECTIME_TIME_FM

    Formatting of the {{ Time }} element.

  • GBT_CAR_EXECTIME_TIME_TEXT

    Text content of the {{ Time }} element. The execution time (e.g. 01:08:19.1358 for precision set to 4).

  • GBT_CAR_EXECTIME_PRECISION='0'

    Sub-second precision to show.

  • GBT_CAR_EXECTIME_SECS

    The number of seconds the command run in shell. This variable is defined in the source file as shown bellow.

  • GBT_CAR_EXECTIME_BELL='0'

    Sound console bell if the executed command exceeds specified number of seconds. Value set to 0 disables the bell (default).

  • GBT_CAR_EXECTIME_DISPLAY='1'

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_EXECTIME_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_EXECTIME_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_EXECTIME_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_EXECTIME_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_EXECTIME_SEP_FM

    Formatting of the separator for this car.

In order to allow this car to calculate the execution time, the following must be loaded in the shell:

# For Bash
source /usr/share/gbt/sources/exectime/bash.sh
# For ZSH
source /usr/share/gbt/sources/exectime/zsh.sh

On macOS the date command does not support %N format for milliseconds and you need to override the environment variable GBT__SOURCE_DATE_ARG='+%s.

Gcp car

Car that displays information about the local GCP configuration.

  • GBT_CAR_GCP_BG='33'

    Background color of the car.

  • GBT_CAR_GCP_FG='white'

    Foreground color of the car.

  • GBT_CAR_GCP_FM='none'

    Formatting of the car.

  • GBT_CAR_GCP_FORMAT=' {{ Icon }} {{ Project }} '

    Format of the car.

  • GBT_CAR_GCP_ICON_BG

    Background color of the {{ Icon }} element.

  • GBT_CAR_GCP_ICON_FG

    Foreground color of the {{ Icon }} element.

  • GBT_CAR_GCP_ICON_FM

    Formatting of the {{ Icon }} element.

  • GBT_CAR_GCP_ICON_TEXT=''

    Text content of the {{ Icon }} element.

  • GBT_CAR_GCP_ACCOUNT_BG

    Background color of the {{ Account }} element.

  • GBT_CAR_GCP_ACCOUNT_FG

    Foreground color of the {{ Account }} element.

  • GBT_CAR_GCP_ACCOUNT_FM

    Formatting of the {{ Account }} element.

  • GBT_CAR_GCP_ACCOUNT_TEXT

    Text content of the {{ Account }} element specifying the configured account.

  • GBT_CAR_GCP_CONFIG_BG

    Background color of the {{ Config }} element.

  • GBT_CAR_GCP_CONFIG_FG

    Foreground color of the {{ Config }} element.

  • GBT_CAR_GCP_CONFIG_FM

    Formatting of the {{ Config }} element.

  • GBT_CAR_GCP_CONFIG_TEXT

    Text content of the {{ Config }} element specifying the active configuration.

  • GBT_CAR_GCP_PROJECT_BG

    Background color of the {{ Project }} element.

  • GBT_CAR_GCP_PROJECT_FG

    Foreground color of the {{ Project }} element.

  • GBT_CAR_GCP_PROJECT_FM

    Formatting of the {{ Project }} element.

  • GBT_CAR_GCP_PROJECT_TEXT

    Text content of the {{ Project }} element specifying the configured project.

  • GBT_CAR_GCP_PROJECT_ALIASES

    List of aliases that allow to display different project name based on the original name. The following example shows how to change the project my-dev-project-123456 to dev and the project my-prod-project-654321 to prod.

    export GBT_CAR_GCP_PROJECT_ALIASES='
      my-dev-project-123456=dev,
      my-prod-project-654321=prod,
    '
  • GBT_CAR_GCP_DISPLAY

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_GCP_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_GCP_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_GCP_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_GCP_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_GCP_SEP_FM

    Formatting of the separator for this car.

Git car

Car that displays information about a local Git repository. This car is displayed only if the current directory is a Git repository.

  • GBT_CAR_GIT_BG='light_gray'

    Background color of the car.

  • GBT_CAR_GIT_FG='black'

    Foreground color of the car.

  • GBT_CAR_GIT_FM='none'

    Formatting of the car.

  • GBT_CAR_GIT_FORMAT=' {{ Icon }} {{ Head }} {{ Status }}{{ Ahead }}{{ Behind }} '

    Format of the car.

  • GBT_CAR_GIT_ICON_BG

    Background color of the {{ Icon }} element.

  • GBT_CAR_GIT_ICON_FG

    Foreground color of the {{ Icon }} element.

  • GBT_CAR_GIT_ICON_FM

    Formatting of the {{ Icon }} element.

  • GBT_CAR_GIT_ICON_TEXT=''

    Text content of the {{ Icon }} element.

  • GBT_CAR_GIT_HEAD_BG

    Background color of the {{ Head }} element.

  • GBT_CAR_GIT_HEAD_FG

    Foreground color of the {{ Head }} element.

  • GBT_CAR_GIT_HEAD_FM

    Formatting of the {{ Head }} element.

  • GBT_CAR_GIT_HEAD_TEXT

    Text content of the {{ Head }} element - branch, tag name or the commit ID.

  • GBT_CAR_GIT_STATUS_BG

    Background color of the {{ Status }} element.

  • GBT_CAR_GIT_STATUS_FG

    Foreground color of the {{ Status }} element.

  • GBT_CAR_GIT_STATUS_FM

    Formatting of the {{ Status }} element.

  • GBT_CAR_GIT_STATUS_FORMAT

    Format of the {{ Status }} element. The content is either {{ StatusDirty }} or {{ StatusClean }} depending on the state of the local Git repository.

  • GBT_CAR_GIT_STATUS_DIRTY_BG

    Background color of the {{ StatusDirty }} element.

  • GBT_CAR_GIT_STATUS_DIRTY_FG='red'

    Foreground color of the {{ StatusDirty }} element.

  • GBT_CAR_GIT_STATUS_DIRTY_FM

    Formatting of the {{ StatusDirty }} element.

  • GBT_CAR_GIT_STATUS_DIRTY_TEXT='✘'

    Text content of the {{ StatusDirty }} element.

  • GBT_CAR_GIT_STATUS_CLEAN_BG

    Background color of the {{ StatusClean }} element.

  • GBT_CAR_GIT_STATUS_CLEAN_FG='green'

    Foreground color of the {{ StatusClean }} element.

  • GBT_CAR_GIT_STATUS_CLEAN_FM

    Formatting of the {{ StatusClean }} element.

  • GBT_CAR_GIT_STATUS_CLEAN_TEXT='✔'

    Text content of the {{ StatusClean }} element.

  • GBT_CAR_GIT_STATUS_ADDED_BG

    Background color of the {{ StatusAdded }} element.

  • GBT_CAR_GIT_STATUS_ADDED_FG

    Foreground color of the {{ StatusAdded }} element.

  • GBT_CAR_GIT_STATUS_ADDED_FM

    Formatting of the {{ StatusAdded }} element.

  • GBT_CAR_GIT_STATUS_ADDED_FORMAT='{{ StatusAddedSymbol }}'

    Format of the the {{ StatusAdded }} element. It can be {{ StatusAddedSymbol }} or {{ StatusAddedCount }}.

  • GBT_CAR_GIT_STATUS_ADDED_SYMBOL_BG

    Background color of the {{ StatusAddedSymbol }} element.

  • GBT_CAR_GIT_STATUS_ADDED_SYMBOL_FG

    Foreground color of the {{ StatusAddedSymbol }} element.

  • GBT_CAR_GIT_STATUS_ADDED_SYMBOL_FM

    Formatting of the {{ StatusAddedSymbol }} element.

  • GBT_CAR_GIT_STATUS_ADDED_SYMBOL_TEXT=' ⟴'

    Text content of the {{ StatusAddedSymbol }} element.

  • GBT_CAR_GIT_STATUS_ADDED_COUNT_BG

    Background color of the {{ StatusAddedCount }} element.

  • GBT_CAR_GIT_STATUS_ADDED_COUNT_FG

    Foreground color of the {{ StatusAddedCount }} element.

  • GBT_CAR_GIT_STATUS_ADDED_COUNT_FM

    Formatting of the {{ StatusAddedSymbol }} element.

  • GBT_CAR_GIT_STATUS_ADDED_COUNT_TEXT

    Text content of the {{ StatusAddedCount }} element. By default it contains a number of added files.

  • GBT_CAR_GIT_STATUS_COPIED_BG

    Background color of the {{ StatusCopied }} element.

  • GBT_CAR_GIT_STATUS_COPIED_FG

    Foreground color of the {{ StatusCopied }} element.

  • GBT_CAR_GIT_STATUS_COPIED_FM

    Formatting of the {{ StatusCopied }} element.

  • GBT_CAR_GIT_STATUS_COPIED_FORMAT='{{ StatusCopiedSymbol }}'

    Format of the the {{ StatusCopied }} element. It can be {{ StatusCopiedSymbol }} or {{ StatusCopiedCount }}.

  • GBT_CAR_GIT_STATUS_COPIED_SYMBOL_BG

    Background color of the {{ StatusCopiedSymbol }} element.

  • GBT_CAR_GIT_STATUS_COPIED_SYMBOL_FG

    Foreground color of the {{ StatusCopiedSymbol }} element.

  • GBT_CAR_GIT_STATUS_COPIED_SYMBOL_FM

    Formatting of the {{ StatusCopiedSymbol }} element.

  • GBT_CAR_GIT_STATUS_COPIED_SYMBOL_TEXT=' ⥈'

    Text content of the {{ StatusCopiedSymbol }} element.

  • GBT_CAR_GIT_STATUS_COPIED_COUNT_BG

    Background color of the {{ StatusCopiedCount }} element.

  • GBT_CAR_GIT_STATUS_COPIED_COUNT_FG

    Foreground color of the {{ StatusCopiedCount }} element.

  • GBT_CAR_GIT_STATUS_COPIED_COUNT_FM

    Formatting of the {{ StatusCopiedSymbol }} element.

  • GBT_CAR_GIT_STATUS_COPIED_COUNT_TEXT

    Text content of the {{ StatusCopiedCount }} element. By default it contains a number of files copied.

  • GBT_CAR_GIT_STATUS_DELETED_BG

    Background color of the {{ StatusDeleted }} element.

  • GBT_CAR_GIT_STATUS_DELETED_FG

    Foreground color of the {{ StatusDeleted }} element.

  • GBT_CAR_GIT_STATUS_DELETED_FM

    Formatting of the {{ StatusDeleted }} element.

  • GBT_CAR_GIT_STATUS_DELETED_FORMAT='{{ StatusDeletedSymbol }}'

    Format of the the {{ StatusDeleted }} element. It can be {{ StatusDeletedSymbol }} or {{ StatusDeletedCount }}.

  • GBT_CAR_GIT_STATUS_DELETED_SYMBOL_BG

    Background color of the {{ StatusDeletedSymbol }} element.

  • GBT_CAR_GIT_STATUS_DELETED_SYMBOL_FG

    Foreground color of the {{ StatusDeletedSymbol }} element.

  • GBT_CAR_GIT_STATUS_DELETED_SYMBOL_FM

    Formatting of the {{ StatusDeletedSymbol }} element.

  • GBT_CAR_GIT_STATUS_DELETED_SYMBOL_TEXT=' ➖'

    Text content of the {{ StatusDeletedSymbol }} element.

  • GBT_CAR_GIT_STATUS_DELETED_COUNT_BG

    Background color of the {{ StatusDeletedCount }} element.

  • GBT_CAR_GIT_STATUS_DELETED_COUNT_FG

    Foreground color of the {{ StatusDeletedCount }} element.

  • GBT_CAR_GIT_STATUS_DELETED_COUNT_FM

    Formatting of the {{ StatusDeletedSymbol }} element.

  • GBT_CAR_GIT_STATUS_DELETED_COUNT_TEXT

    Text content of the {{ StatusDeletedCount }} element. By default it contains a number of deleted files.

  • GBT_CAR_GIT_STATUS_IGNORED_BG

    Background color of the {{ StatusIgnored }} element.

  • GBT_CAR_GIT_STATUS_IGNORED_FG

    Foreground color of the {{ StatusIgnored }} element.

  • GBT_CAR_GIT_STATUS_IGNORED_FM

    Formatting of the {{ StatusIgnored }} element.

  • GBT_CAR_GIT_STATUS_IGNORED_FORMAT='{{ StatusIgnoredSymbol }}'

    Format of the the {{ StatusIgnored }} element. It can be {{ StatusIgnoredSymbol }} or {{ StatusIgnoredCount }}.

  • GBT_CAR_GIT_STATUS_IGNORED_SYMBOL_BG

    Background color of the {{ StatusIgnoredSymbol }} element.

  • GBT_CAR_GIT_STATUS_IGNORED_SYMBOL_FG

    Foreground color of the {{ StatusIgnoredSymbol }} element.

  • GBT_CAR_GIT_STATUS_IGNORED_SYMBOL_FM

    Formatting of the {{ StatusIgnoredSymbol }} element.

  • GBT_CAR_GIT_STATUS_IGNORED_SYMBOL_TEXT=' ⬆'

    Text content of the {{ StatusIgnoredSymbol }} element.

  • GBT_CAR_GIT_STATUS_IGNORED_COUNT_BG

    Background color of the {{ StatusIgnoredCount }} element.

  • GBT_CAR_GIT_STATUS_IGNORED_COUNT_FG

    Foreground color of the {{ StatusIgnoredCount }} element.

  • GBT_CAR_GIT_STATUS_IGNORED_COUNT_FM

    Formatting of the {{ StatusIgnoredSymbol }} element.

  • GBT_CAR_GIT_STATUS_IGNORED_COUNT_TEXT

    Text content of the {{ StatusIgnoredCount }} element. By default it contains a number of ignored files.

  • GBT_CAR_GIT_STATUS_MODIFIED_BG

    Background color of the {{ StatusModified }} element.

  • GBT_CAR_GIT_STATUS_MODIFIED_FG

    Foreground color of the {{ StatusModified }} element.

  • GBT_CAR_GIT_STATUS_MODIFIED_FM

    Formatting of the {{ StatusModified }} element.

  • GBT_CAR_GIT_STATUS_MODIFIED_FORMAT='{{ StatusModifiedSymbol }}'

    Format of the the {{ StatusModified }} element. It can be {{ StatusModifiedSymbol }} or {{ StatusModifiedCount }}.

  • GBT_CAR_GIT_STATUS_MODIFIED_SYMBOL_BG

    Background color of the {{ StatusModifiedSymbol }} element.

  • GBT_CAR_GIT_STATUS_MODIFIED_SYMBOL_FG

    Foreground color of the {{ StatusModifiedSymbol }} element.

  • GBT_CAR_GIT_STATUS_MODIFIED_SYMBOL_FM

    Formatting of the {{ StatusModifiedSymbol }} element.

  • GBT_CAR_GIT_STATUS_MODIFIED_SYMBOL_TEXT=' ⬆'

    Text content of the {{ StatusModifiedSymbol }} element.

  • GBT_CAR_GIT_STATUS_MODIFIED_COUNT_BG

    Background color of the {{ StatusModifiedCount }} element.

  • GBT_CAR_GIT_STATUS_MODIFIED_COUNT_FG

    Foreground color of the {{ StatusModifiedCount }} element.

  • GBT_CAR_GIT_STATUS_MODIFIED_COUNT_FM

    Formatting of the {{ StatusModifiedSymbol }} element.

  • GBT_CAR_GIT_STATUS_MODIFIED_COUNT_TEXT

    Text content of the {{ StatusModifiedCount }} element. By default it contains a number of modified files.

  • GBT_CAR_GIT_STATUS_RENAMED_BG

    Background color of the {{ StatusRenamed }} element.

  • GBT_CAR_GIT_STATUS_RENAMED_FG

    Foreground color of the {{ StatusRenamed }} element.

  • GBT_CAR_GIT_STATUS_RENAMED_FM

    Formatting of the {{ StatusRenamed }} element.

  • GBT_CAR_GIT_STATUS_RENAMED_FORMAT='{{ StatusRenamedSymbol }}'

    Format of the the {{ StatusRenamed }} element. It can be {{ StatusRenamedSymbol }} or {{ StatusRenamedCount }}.

  • GBT_CAR_GIT_STATUS_RENAMED_SYMBOL_BG

    Background color of the {{ StatusRenamedSymbol }} element.

  • GBT_CAR_GIT_STATUS_RENAMED_SYMBOL_FG

    Foreground color of the {{ StatusRenamedSymbol }} element.

  • GBT_CAR_GIT_STATUS_RENAMED_SYMBOL_FM

    Formatting of the {{ StatusRenamedSymbol }} element.

  • GBT_CAR_GIT_STATUS_RENAMED_SYMBOL_TEXT=' ⬆'

    Text content of the {{ StatusRenamedSymbol }} element.

  • GBT_CAR_GIT_STATUS_RENAMED_COUNT_BG

    Background color of the {{ StatusRenamedCount }} element.

  • GBT_CAR_GIT_STATUS_RENAMED_COUNT_FG

    Foreground color of the {{ StatusRenamedCount }} element.

  • GBT_CAR_GIT_STATUS_RENAMED_COUNT_FM

    Formatting of the {{ StatusRenamedSymbol }} element.

  • GBT_CAR_GIT_STATUS_RENAMED_COUNT_TEXT

    Text content of the {{ StatusRenamedCount }} element. By default it contains a number of renamed files.

  • GBT_CAR_GIT_STATUS_STAGED_BG

    Background color of the {{ StatusStaged }} element.

  • GBT_CAR_GIT_STATUS_STAGED_FG

    Foreground color of the {{ StatusStaged }} element.

  • GBT_CAR_GIT_STATUS_STAGED_FM

    Formatting of the {{ StatusStaged }} element.

  • GBT_CAR_GIT_STATUS_STAGED_FORMAT='{{ StatusStagedSymbol }}'

    Format of the the {{ StatusStaged }} element. It can be {{ StatusStagedSymbol }} or {{ StatusStagedCount }}.

  • GBT_CAR_GIT_STATUS_STAGED_SYMBOL_BG

    Background color of the {{ StatusStagedSymbol }} element.

  • GBT_CAR_GIT_STATUS_STAGED_SYMBOL_FG

    Foreground color of the {{ StatusStagedSymbol }} element.

  • GBT_CAR_GIT_STATUS_STAGED_SYMBOL_FM

    Formatting of the {{ StatusStagedSymbol }} element.

  • GBT_CAR_GIT_STATUS_STAGED_SYMBOL_TEXT=' ⬆'

    Text content of the {{ StatusStagedSymbol }} element.

  • GBT_CAR_GIT_STATUS_STAGED_COUNT_BG

    Background color of the {{ StatusStagedCount }} element.

  • GBT_CAR_GIT_STATUS_STAGED_COUNT_FG

    Foreground color of the {{ StatusStagedCount }} element.

  • GBT_CAR_GIT_STATUS_STAGED_COUNT_FM

    Formatting of the {{ StatusStagedSymbol }} element.

  • GBT_CAR_GIT_STATUS_STAGED_COUNT_TEXT

    Text content of the {{ StatusStagedCount }} element. By default it contains a number of staged files.

  • GBT_CAR_GIT_STATUS_UNMERGED_BG

    Background color of the {{ StatusUnmerged }} element.

  • GBT_CAR_GIT_STATUS_UNMERGED_FG

    Foreground color of the {{ StatusUnmerged }} element.

  • GBT_CAR_GIT_STATUS_UNMERGED_FM

    Formatting of the {{ StatusUnmerged }} element.

  • GBT_CAR_GIT_STATUS_UNMERGED_FORMAT='{{ StatusUnmergedSymbol }}'

    Format of the the {{ StatusUnmerged }} element. It can be {{ StatusUnmergedSymbol }} or {{ StatusUnmergedCount }}.

  • GBT_CAR_GIT_STATUS_UNMERGED_SYMBOL_BG

    Background color of the {{ StatusUnmergedSymbol }} element.

  • GBT_CAR_GIT_STATUS_UNMERGED_SYMBOL_FG

    Foreground color of the {{ StatusUnmergedSymbol }} element.

  • GBT_CAR_GIT_STATUS_UNMERGED_SYMBOL_FM

    Formatting of the {{ StatusUnmergedSymbol }} element.

  • GBT_CAR_GIT_STATUS_UNMERGED_SYMBOL_TEXT=' ⬆'

    Text content of the {{ StatusUnmergedSymbol }} element.

  • GBT_CAR_GIT_STATUS_UNMERGED_COUNT_BG

    Background color of the {{ StatusUnmergedCount }} element.

  • GBT_CAR_GIT_STATUS_UNMERGED_COUNT_FG

    Foreground color of the {{ StatusUnmergedCount }} element.

  • GBT_CAR_GIT_STATUS_UNMERGED_COUNT_FM

    Formatting of the {{ StatusUnmergedSymbol }} element.

  • GBT_CAR_GIT_STATUS_UNMERGED_COUNT_TEXT

    Text content of the {{ StatusUnmergedCount }} element. By default it contains a number of unmerged files.

  • GBT_CAR_GIT_STATUS_UNTRACKED_BG

    Background color of the {{ StatusUntracked }} element.

  • GBT_CAR_GIT_STATUS_UNTRACKED_FG

    Foreground color of the {{ StatusUntracked }} element.

  • GBT_CAR_GIT_STATUS_UNTRACKED_FM

    Formatting of the {{ StatusUntracked }} element.

  • GBT_CAR_GIT_STATUS_UNTRACKED_FORMAT='{{ StatusUntrackedSymbol }}'

    Format of the the {{ StatusUntracked }} element. It can be {{ StatusUntrackedSymbol }} or {{ StatusUntrackedCount }}.

  • GBT_CAR_GIT_STATUS_UNTRACKED_SYMBOL_BG

    Background color of the {{ StatusUntrackedSymbol }} element.

  • GBT_CAR_GIT_STATUS_UNTRACKED_SYMBOL_FG

    Foreground color of the {{ StatusUntrackedSymbol }} element.

  • GBT_CAR_GIT_STATUS_UNTRACKED_SYMBOL_FM

    Formatting of the {{ StatusUntrackedSymbol }} element.

  • GBT_CAR_GIT_STATUS_UNTRACKED_SYMBOL_TEXT=' ⬆'

    Text content of the {{ StatusUntrackedSymbol }} element.

  • GBT_CAR_GIT_STATUS_UNTRACKED_COUNT_BG

    Background color of the {{ StatusUntrackedCount }} element.

  • GBT_CAR_GIT_STATUS_UNTRACKED_COUNT_FG

    Foreground color of the {{ StatusUntrackedCount }} element.

  • GBT_CAR_GIT_STATUS_UNTRACKED_COUNT_FM

    Formatting of the {{ StatusUntrackedSymbol }} element.

  • GBT_CAR_GIT_STATUS_UNTRACKED_COUNT_TEXT

    Text content of the {{ StatusUntrackedCount }} element. By default it contains a number of untracked files.

  • GBT_CAR_GIT_AHEAD_BG

    Background color of the {{ Ahead }} element.

  • GBT_CAR_GIT_AHEAD_FG

    Foreground color of the {{ Ahead }} element.

  • GBT_CAR_GIT_AHEAD_FM

    Formatting of the {{ Ahead }} element.

  • GBT_CAR_GIT_AHEAD_FORMAT='{{ AheadSymbol }}'

    Format of the the {{ Ahead }} element. It can be {{ AheadSymbol }} or {{ AheadCount }}.

  • GBT_CAR_GIT_AHEAD_SYMBOL_BG

    Background color of the {{ AheadSymbol }} element.

  • GBT_CAR_GIT_AHEAD_SYMBOL_FG

    Foreground color of the {{ AheadSymbol }} element.

  • GBT_CAR_GIT_AHEAD_SYMBOL_FM

    Formatting of the {{ AheadSymbol }} element.

  • GBT_CAR_GIT_AHEAD_SYMBOL_TEXT=' ⬆'

    Text content of the {{ AheadSymbol }} element.

  • GBT_CAR_GIT_AHEAD_COUNT_BG

    Background color of the {{ AheadCount }} element.

  • GBT_CAR_GIT_AHEAD_COUNT_FG

    Foreground color of the {{ AheadCount }} element.

  • GBT_CAR_GIT_AHEAD_COUNT_FM

    Formatting of the {{ AheadSymbol }} element.

  • GBT_CAR_GIT_AHEAD_COUNT_TEXT

    Text content of the {{ AheadCount }} element. By default it contains a number of commits ahead of the remote branch.

  • GBT_CAR_GIT_BEHIND_BG

    Background color of the {{ Behind }} element.

  • GBT_CAR_GIT_BEHIND_FG

    Foreground color of the {{ Behind }} element.

  • GBT_CAR_GIT_BEHIND_FM

    Formatting of the {{ Behind }} element.

  • GBT_CAR_GIT_BEHIND_FORMAT='{{ BehindSymbol }}'

    Format of the the {{ Behind }} element. It can be {{ BehindSymbol }} or {{ BehindCount }}.

  • GBT_CAR_GIT_BEHIND_SYMBOL_BG

    Background color of the {{ BehindSymbol }} element.

  • GBT_CAR_GIT_BEHIND_SYMBOL_FG

    Foreground color of the {{ BehindSymbol }} element.

  • GBT_CAR_GIT_BEHIND_SYMBOL_FM

    Formatting of the {{ BehindSymbol }} element.

  • GBT_CAR_GIT_BEHIND_SYMBOL_TEXT=' ⬇'

    Text content of the {{ BehindSymbol }} element.

  • GBT_CAR_GIT_BEHIND_COUNT_BG

    Background color of the {{ BehindCount }} element.

  • GBT_CAR_GIT_BEHIND_COUNT_FG

    Foreground color of the {{ BehindCount }} element.

  • GBT_CAR_GIT_BEHIND_COUNT_FM

    Formatting of the {{ BehindSymbol }} element.

  • GBT_CAR_GIT_BEHIND_COUNT_TEXT

    Text content of the {{ BehindCount }} element. By default it contains a number of commits ahead of the remote branch.

  • GBT_CAR_GIT_STASH_BG

    Background color of the {{ Stash }} element.

  • GBT_CAR_GIT_STASH_FG

    Foreground color of the {{ Stash }} element.

  • GBT_CAR_GIT_STASH_FM

    Formatting of the {{ Stash }} element.

  • GBT_CAR_GIT_STASH_FORMAT='{{ StashSymbol }}'

    Format of the the {{ Stash }} element. It can be {{ StashSymbol }} or {{ StashCount }}.

  • GBT_CAR_GIT_STASH_SYMBOL_BG

    Background color of the {{ StashSymbol }} element.

  • GBT_CAR_GIT_STASH_SYMBOL_FG

    Foreground color of the {{ StashSymbol }} element.

  • GBT_CAR_GIT_STASH_SYMBOL_FM

    Formatting of the {{ StashSymbol }} element.

  • GBT_CAR_GIT_STASH_SYMBOL_TEXT=' ⚑'

    Text content of the {{ StashSymbol }} element.

  • GBT_CAR_GIT_STASH_COUNT_BG

    Background color of the {{ StashCount }} element.

  • GBT_CAR_GIT_STASH_COUNT_FG

    Foreground color of the {{ StashCount }} element.

  • GBT_CAR_GIT_STASH_COUNT_FM

    Formatting of the {{ StashSymbol }} element.

  • GBT_CAR_GIT_STASH_COUNT_TEXT

    Text content of the {{ StashCount }} element. By default it contains a number of stashes.

  • GBT_CAR_GIT_DISPLAY

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_GIT_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_GIT_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_GIT_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_GIT_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_GIT_SEP_FM

    Formatting of the separator for this car.

Hostname car

Car that displays username of the currently logged user and the hostname of the local machine.

  • GBT_CAR_HOSTNAME_BG='dark_gray'

    Background color of the car.

  • GBT_CAR_HOSTNAME_FG='252'

    Foreground color of the car.

  • GBT_CAR_HOSTNAME_FM='none'

    Formatting of the car.

  • GBT_CAR_HOSTNAME_FORMAT=' {{ UserHost }} '

    Format of the car.

  • GBT_CAR_HOSTNAME_USERHOST_BG

    Background color of the {{ UserHost }} element.

  • GBT_CAR_HOSTNAME_USERHOST_FG

    Foreground color of the {{ UserHost }} element.

  • GBT_CAR_HOSTNAME_USERHOST_FM

    Formatting of the {{ UserHost }} element.

  • GBT_CAR_HOSTNAME_USERHOST_FORMAT

    Format of the {{ UserHost }} element. The value is either {{ Admin }}@{{ Host }} if the user is root or {{ User }}@{{ Host }} if the user is a normal user.

  • GBT_CAR_HOSTNAME_ADMIN_BG

    Background color of the {{ Admin }} element.

  • GBT_CAR_HOSTNAME_ADMIN_FG

    Foreground color of the {{ Admin }} element.

  • GBT_CAR_HOSTNAME_ADMIN_FM

    Formatting of the {{ Admin }} element.

  • GBT_CAR_HOSTNAME_ADMIN_TEXT

    Text content of the {{ Admin }} element. The user name.

  • GBT_CAR_HOSTNAME_USER_BG

    Background color of the {{ User }} element.

  • GBT_CAR_HOSTNAME_USER_FG

    Foreground color of the {{ User }} element.

  • GBT_CAR_HOSTNAME_USER_FM

    Formatting of the {{ User }} element.

  • GBT_CAR_HOSTNAME_USER_TEXT

    Text content of the {{ User }} element. The user name.

  • GBT_CAR_HOSTNAME_HOST_BG

    Background color of the {{ Host }} element.

  • GBT_CAR_HOSTNAME_HOST_FG

    Foreground color of the {{ Host }} element.

  • GBT_CAR_HOSTNAME_HOST_FM

    Formatting of the {{ Host }} element.

  • GBT_CAR_HOSTNAME_HOST_TEXT

    Text content of the {{ Host }} element. The host name.

  • GBT_CAR_HOSTNAME_DISPLAY='1'

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_HOSTNAME_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_HOSTNAME_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_HOSTNAME_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_HOSTNAME_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_HOSTNAME_SEP_FM

    Formatting of the separator for this car.

Kubectl car

Car that displays kubectl information.

  • GBT_CAR_KUBECTL_BG='26'

    Background color of the car.

  • GBT_CAR_KUBECTL_FG='white'

    Foreground color of the car.

  • GBT_CAR_KUBECTL_FM='none'

    Formatting of the car.

  • GBT_CAR_KUBECTL_FORMAT=' {{ Icon }} {{ Context }} '

    Format of the car. {{ Cluster }}, {{ AuthInfo }} and {{ Namespace }} can be used here as well.

  • GBT_CAR_KUBECTL_ICON_BG

    Background color of the {{ Icon }} element.

  • GBT_CAR_KUBECTL_ICON_FG

    Foreground color of the {{ Icon }} element.

  • GBT_CAR_KUBECTL_ICON_FM

    Formatting of the {{ Icon }} element.

  • GBT_CAR_KUBECTL_ICON_TEXT='⎈'

    Text content of the {{ Icon }} element.

  • GBT_CAR_KUBECTL_CONTEXT_BG

    Background color of the {{ Context }} element.

  • GBT_CAR_KUBECTL_CONTEXT_FG

    Foreground color of the {{ Context }} element.

  • GBT_CAR_KUBECTL_CONTEXT_FM

    Formatting of the {{ Context }} element.

  • GBT_CAR_KUBECTL_CONTEXT_TEXT

    Text content of the {{ Context }} element.

  • GBT_CAR_KUBECTL_CLUSTER_BG

    Background color of the {{ Cluster }} element.

  • GBT_CAR_KUBECTL_CLUSTER_FG

    Foreground color of the {{ Cluster }} element.

  • GBT_CAR_KUBECTL_CLUSTER_FM

    Formatting of the {{ Cluster }} element.

  • GBT_CAR_KUBECTL_CLUSTER_TEXT

    Text content of the {{ Cluster }} element.

  • GBT_CAR_KUBECTL_AUTHINFO_BG

    Background color of the {{ AuthInfo }} element.

  • GBT_CAR_KUBECTL_AUTHINFO_FG

    Foreground color of the {{ AuthInfo }} element.

  • GBT_CAR_KUBECTL_AUTHINFO_FM

    Formatting of the {{ AuthInfo }} element.

  • GBT_CAR_KUBECTL_AUTHINFO_TEXT

    Text content of the {{ AuthInfo }} element.

  • GBT_CAR_KUBECTL_NAMESPACE_BG

    Background color of the {{ Namespace }} element.

  • GBT_CAR_KUBECTL_NAMESPACE_FG

    Foreground color of the {{ Namespace }} element.

  • GBT_CAR_KUBECTL_NAMESPACE_FM

    Formatting of the {{ Namespace }} element.

  • GBT_CAR_KUBECTL_NAMESPACE_TEXT

    Text content of the {{ Namespace }} element.

  • GBT_CAR_KUBECTL_DISPLAY='1'

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_KUBECTL_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_KUBECTL_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_KUBECTL_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_KUBECTL_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_KUBECTL_SEP_FM

    Formatting of the separator for this car.

Os car

Car that displays icon of the operating system.

  • GBT_CAR_OS_BG='235'

    Background color of the car.

  • GBT_CAR_OS_FG='white'

    Foreground color of the car.

  • GBT_CAR_OS_FM='none'

    Formatting of the car.

  • GBT_CAR_OS_FORMAT=' {{ Symbol }} '

    Format of the car.

  • GBT_CAR_OS_SYMBOL_BG

    Background color of the {{ Symbol }} element.

  • GBT_CAR_OS_SYMBOL_FG

    Foreground color of the {{ Symbol }} element.

  • GBT_CAR_OS_SYMBOL_FM

    Formatting of the {{ Symbol }} element.

  • GBT_CAR_OS_SYMBOL_TEXT

    Text content of the {{ Symbol }} element.

  • GBT_CAR_OS_NAME

    The name of the symbol to display. Default value is selected by the system the shell runs at. Possible names and their symbols are:

    • amzn
    • android
    • arch
    • archarm
    • centos
    • cloud
    • coreos
    • darwin
    • debian
    • docker
    • elementary
    • fedora
    • freebsd
    • gentoo
    • linux
    • linuxmint
    • mageia
    • mandriva
    • opensuse
    • raspbian
    • redhat
    • sabayon
    • slackware
    • ubuntu
    • windows

    Example:

    export GBT_CAR_OS_NAME='arch'
  • GBT_CAR_OS_DISPLAY='1'

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_OS_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_OS_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_OS_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_OS_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_OS_SEP_FM

    Formatting of the separator for this car.

PyVirtEnv car

Car that displays Python Virtual Environment name. This car is displayed only if the Python Virtual Environment is activated. The activation script usually prepends the shell prompt by the Virtual Environment name by default. In order to disable it, the following environment variable must be set:

export VIRTUAL_ENV_DISABLE_PROMPT='1'

Variables used by the car:

  • GBT_CAR_PYVIRTENV_BG='222'

    Background color of the car.

  • GBT_CAR_PYVIRTENV_FG='black'

    Foreground color of the car.

  • GBT_CAR_PYVIRTENV_FM='none'

    Formatting of the car.

  • GBT_CAR_PYVIRTENV_FORMAT=' {{ Icon }} {{ Name }} '

    Format of the car.

  • GBT_CAR_PYVIRTENV_ICON_BG

    Background color of the {{ Icon }} element.

  • GBT_CAR_PYVIRTENV_ICON_FG

    Foreground color of the {{ Icon }} element.

  • GBT_CAR_PYVIRTENV_ICON_FM

    Formatting of the {{ Icon }} element.

  • GBT_CAR_PYVIRTENV_ICON_TEXT

    Text content of the {{ Icon }} element.

  • GBT_CAR_PYVIRTENV_NAME_BG

    Background color of the {{ Name }} element.

  • GBT_CAR_PYVIRTENV_NAME_FG='33'

    Foreground color of the {{ NAME }} element.

  • GBT_CAR_PYVIRTENV_NAME_FM

    Formatting of the {{ Name }} element.

  • GBT_CAR_PYVIRTENV_NAME_TEXT

    The name of the Python Virtual Environment deducted from the VIRTUAL_ENV environment variable.

  • GBT_CAR_PYVIRTENV_DISPLAY

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_PYVIRTENV_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_PYVIRTENV_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_PYVIRTENV_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_PYVIRTENV_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_PYVIRTENV_SEP_FM

    Formatting of the separator for this car.

Sign car

Car that displays prompt character for the admin and user at the end of the train.

  • GBT_CAR_SIGN_BG='default'

    Background color of the car.

  • GBT_CAR_SIGN_FG='default'

    Foreground color of the car.

  • GBT_CAR_SIGN_FM='none'

    Formatting of the car.

  • GBT_CAR_SIGN_FORMAT=' {{ Symbol }} '

    Format of the car.

  • GBT_CAR_SIGN_SYMBOL_BG

    Background color of the {{ Symbol }} element.

  • GBT_CAR_SIGN_SYMBOL_FG

    Foreground color of the {{ Symbol }} element.

  • GBT_CAR_SIGN_SYMBOL_FM='bold'

    Formatting of the {{ Symbol }} element.

  • GBT_CAR_SIGN_SYMBOL_FORMAT

    Format of the {{ Symbol }} element. The format is either {{ Admin }} if the UID is 0 or {{ User }} if the UID is not 0.

  • GBT_CAR_SIGN_ADMIN_BG

    Background color of the {{ Admin }} element.

  • GBT_CAR_SIGN_ADMIN_FG='red'

    Foreground color of the {{ Admin }} element.

  • GBT_CAR_SIGN_ADMIN_FM

    Formatting of the {{ Admin }} element.

  • GBT_CAR_SIGN_ADMIN_TEXT='#'

    Text content of the {{ Admin }} element.

  • GBT_CAR_SIGN_USER_BG

    Background color of the {{ User }} element.

  • GBT_CAR_SIGN_USER_FG='light_green'

    Foreground color of the {{ User }} element.

  • GBT_CAR_SIGN_USER_FM

    Formatting of the {{ User }} element.

  • GBT_CAR_SIGN_USER_TEXT='$'

    Text content of the {{ User }} element. The user name.

  • GBT_CAR_SIGN_DISPLAY='1'

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_SIGN_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_SIGN_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_SIGN_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_SIGN_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_SIGN_SEP_FM

    Formatting of the separator for this car.

Status car

Car that visualizes return code of every command. By default, this car is displayed only when the return code is non-zero. If you want to display it even if the return code is zero, set the following variable:

export GBT_CAR_STATUS_DISPLAY='1'

Variables used by the car:

  • GBT_CAR_STATUS_BG

    Background color of the car. It's either GBT_CAR_STATUS_OK_BG if the last command returned 0 return code otherwise the GBT_CAR_STATUS_ERROR_BG is used.

  • GBT_CAR_STATUS_FG='default'

    Foreground color of the car. It's either GBT_CAR_STATUS_OK_FG if the last command returned 0 return code otherwise the GBT_CAR_STATUS_ERROR_FG is used.

  • GBT_CAR_STATUS_FM='none'

    Formatting of the car. It's either GBT_CAR_STATUS_OK_FM if the last command returned 0 return code otherwise the GBT_CAR_STATUS_ERROR_FM is used.

  • GBT_CAR_STATUS_FORMAT=' {{ Symbol }} '

    Format of the car. This can be changed to contain also the value of the return code:

    export GBT_CAR_STATUS_FORMAT=' {{ Symbol }} {{ Code }} '

    or the signal name of the return code:

    export GBT_CAR_STATUS_FORMAT=' {{ Symbol }} {{ Signal }} '

    If you want to display the Status train even if there is no error, you have to use the {{ Details }} element to prevent the {{ Code }} and/or {{ Signal }} from being displayed:

    export GBT_CAR_STATUS_DISPLAY=1
    export GBT_CAR_STATUS_FORMAT=' {{ Symbol }}{{ Details }} '

    Then you can modify the format of the {{ Details }} element like this for when there is an error:

    export GBT_CAR_STATUS_DETAILS_FORMAT=' {{ Code }} {{ Signal }}'
  • GBT_CAR_STATUS_SYMBOL_BG

    Background color of the {{ Symbol }} element.

  • GBT_CAR_STATUS_SYMBOL_FG

    Foreground color of the {{ Symbol }} element.

  • GBT_CAR_STATUS_SYMBOL_FM='bold'

    Formatting of the {{ Symbol }} element.

  • GBT_CAR_STATUS_SYMBOL_FORMAT

    Format of the {{ Symbol }} element. The format is either {{ Error }} if the last command returned non zero return code otherwise {{ User }} is used.

  • GBT_CAR_STATUS_SIGNAL_BG

    Background color of the {{ Signal }} element.

  • GBT_CAR_STATUS_SIGNAL_FG

    Foreground color of the {{ Signal }} element.

  • GBT_CAR_STATUS_SIGNAL_FM

    Formatting color of the {{ Signal }} element.

  • GBT_CAR_STATUS_SIGNAL_TEXT

    Text of the {{ Signal }} element.

  • GBT_CAR_STATUS_CODE_BG='red'

    Background color of the {{ Code }} element.

  • GBT_CAR_STATUS_CODE_FG='light_gray'

    Foreground color of the {{ Code }} element.

  • GBT_CAR_STATUS_CODE_FM='none'

    Formatting of the {{ Code }} element.

  • GBT_CAR_STATUS_CODE_TEXT

    Text content of the {{ Code }} element. The return code.

  • GBT_CAR_STATUS_ERROR_BG='red'

    Background color of the {{ Error }} element.

  • GBT_CAR_STATUS_ERROR_FG='light_gray'

    Foreground color of the {{ Error }} element.

  • GBT_CAR_STATUS_ERROR_FM='none'

    Formatting of the {{ Error }} element.

  • GBT_CAR_STATUS_ERROR_TEXT='✘'

    Text content of the {{ Error }} element.

  • GBT_CAR_STATUS_OK_BG='green'

    Background color of the {{ Ok }} element.

  • GBT_CAR_STATUS_OK_FG='light_gray'

    Foreground color of the {{ Ok }} element.

  • GBT_CAR_STATUS_OK_FM='none'

    Formatting of the {{ Ok }} element.

  • GBT_CAR_STATUS_OK_TEXT='✔'

    Text content of the {{ Ok }} element.

  • GBT_CAR_STATUS_DISPLAY

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_STATUS_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_STATUS_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_STATUS_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_STATUS_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_STATUS_SEP_FM

    Formatting of the separator for this car.

Time car

Car that displays current date and time.

  • GBT_CAR_TIME_BG='light_blue'

    Background color of the car.

  • GBT_CAR_TIME_FG='light_gray'

    Foreground color of the car.

  • GBT_CAR_TIME_FM='none'

    Formatting of the car.

  • GBT_CAR_TIME_FORMAT=' {{ DateTime }} '

    Format of the car.

  • GBT_CAR_TIME_DATETIME_BG

    Background color of the {{ DateTime }} element.

  • GBT_CAR_TIME_DATETIME_FG

    Foreground color of the {{ DateTime }} element.

  • GBT_CAR_TIME_DATETIME_FM

    Formatting of the {{ DateTime }} element.

  • GBT_CAR_TIME_DATETIME_FORMAT='{{ Date }} {{ Time }}'

    Format of the {{ DateTime }} element.

  • GBT_CAR_TIME_DATE_BG

    Background color of the {{ Date }} element.

  • GBT_CAR_TIME_DATE_FG

    Foreground color of the {{ Date }} element.

  • GBT_CAR_TIME_DATE_FM

    Formatting of the {{ Date }} element.

  • GBT_CAR_TIME_DATE_FORMAT='Mon 02 Jan'

    Format of the {{ Date }} element. The format is using placeholders as described in the time.Format() Go function. For example January is a placeholder for current full month name and PM is a placeholder AM if the current time is before noon or PM if the current time is after noon. So in order to display date in the format of YYYY-MM-DD, the value of this variable should be 2006-01-02.

  • GBT_CAR_TIME_TIME_BG

    Background color of the {{ Host }} element.

  • GBT_CAR_TIME_TIME_FG='light_yellow'

    Foreground color of the {{ Host }} element.

  • GBT_CAR_TIME_TIME_FM

    Formatting of the {{ Host }} element.

  • GBT_CAR_TIME_TIME_FORMAT='15:04:05'

    Text content of the {{ Host }} element. The format principles are the same like in the case of the GBT_CAR_TIME_DATE_FORMAT variable above. So in order to display time in the 12h format, the value of this variable should be 03:04:05 PM.

  • GBT_CAR_TIME_DISPLAY='1'

    Whether to display this car if it's in the list of cars (GBT_CARS).

  • GBT_CAR_TIME_WRAP='0'

    Whether to wrap the prompt line in front of this car.

  • GBT_CAR_TIME_SEP_TEXT

    Text content of the separator for this car.

  • GBT_CAR_TIME_SEP_BG

    Background color of the separator for this car.

  • GBT_CAR_TIME_SEP_FG

    Foreground color of the separator for this car.

  • GBT_CAR_TIME_SEP_FM

    Formatting of the separator for this car.

Benchmark

Benchmark of GBT can be done by faking the output of GBT by a testing script which executes as minimum of commands as possible. For simplicity, the test will produce output of the Git car only and will be done from within a directory with a Git repository.

The testing script is using exactly the same commands like GBT to determine the Git branch, whether the Git repository contains any change and whether it's ahead/behind of the remote branch. The script has the following content and is stored in /tmp/test.sh:

BRANCH="$(git symbolic-ref HEAD)"
[ -z "$(git status --porcelain)" ] && DIRTY_ICON='%{\e[38;5;2m%}✔' || DIRTY_ICON='%{\e[38;5;1m%}✘'
[[ "$(git rev-list --count [email protected]{upstream})" == '0' ]] && AHEAD_ICON='' || AHEAD_ICON=''
[[ "$(git rev-list --count @{upstream}..HEAD)" == '0' ]] && BEHIND_ICON='' || BEHIND_ICON=''

echo -en "%{\e[0m%}%{\e[48;5;7m%}%{\e[38;5;0m%} %{\e[48;5;7m%}%{\e[38;5;0m%}%{\e[48;5;7m%}%{\e[38;5;0m%} %{\e[48;5;7m%}%{\e[38;5;0m%}${BRANCH##*/}%{\e[48;5;7m%}%{\e[38;5;0m%} %{\e[48;5;7m%}%{\e[38;5;0m%}%{\e[48;5;7m%}$DIRTY_ICON%{\e[48;5;7m%}%{\e[38;5;0m%}%{\e[48;5;7m%}%{\e[38;5;0m%}%{\e[48;5;7m%}%{\e[38;5;0m%}$AHEAD_ICON%{\e[48;5;7m%}%{\e[38;5;0m%}%{\e[48;5;7m%}%{\e[38;5;0m%}$BEHIND_ICON%{\e[48;5;7m%}%{\e[38;5;0m%} %{\e[0m%}"

The testing script produces the same output like GBT when run by Bash or ZSH:

bash /tmp/test.sh > /tmp/a
zsh /tmp/test.sh > /tmp/b
GBT_SHELL='zsh' GBT_CARS='Git' gbt > /tmp/c
diff /tmp/{a,b}
diff /tmp/{b,c}

We will use ZSH to run 10 measurements of 100 executions of the testing script by Bash and ZSH as well as of GBT itself.

# Execution of the testing script by Bash
for N in $(seq 10); do time (for M in $(seq 100); do bash /tmp/test.sh 1>/dev/null 2>&1; done;) done 2>&1 | sed 's/.*  //'
0.95s user 1.05s system 102% cpu 1.944 total
0.94s user 1.06s system 102% cpu 1.944 total
0.93s user 1.05s system 102% cpu 1.930 total
0.91s user 1.10s system 102% cpu 1.954 total
0.92s user 1.07s system 102% cpu 1.933 total
0.97s user 1.03s system 102% cpu 1.943 total
0.92s user 1.07s system 102% cpu 1.931 total
0.92s user 1.08s system 102% cpu 1.949 total
0.89s user 1.11s system 102% cpu 1.938 total
0.93s user 1.07s system 102% cpu 1.944 total
# Execution of the testing script by ZSH
for N in $(seq 10); do time (for M in $(seq 100); do zsh /tmp/test.sh 1>/dev/null 2>&1; done;) done 2>&1 | sed 's/.*  //'
0.89s user 1.08s system 103% cpu 1.909 total
0.82s user 1.15s system 103% cpu 1.906 total
0.82s user 1.15s system 103% cpu 1.903 total
0.84s user 1.13s system 103% cpu 1.907 total
0.88s user 1.10s system 103% cpu 1.915 total
0.88s user 1.09s system 103% cpu 1.907 total
0.84s user 1.14s system 103% cpu 1.919 total
0.85s user 1.11s system 103% cpu 1.901 total
0.89s user 1.08s system 103% cpu 1.914 total
0.96s user 1.01s system 103% cpu 1.908 total
# Execution of GBT
for N in $(seq 10); do time (for M in $(seq 100); do GBT_SHELL='zsh' GBT_CARS='Git' gbt 1>/dev/null 2>&1; done;) done 2>&1 | sed 's/.*  //'
1.03s user 1.19s system 115% cpu 1.922 total
0.98s user 1.18s system 115% cpu 1.874 total
1.06s user 1.11s system 115% cpu 1.880 total
1.02s user 1.14s system 115% cpu 1.867 total
1.04s user 1.17s system 115% cpu 1.918 total
1.05s user 1.10s system 115% cpu 1.853 total
1.07s user 1.11s system 115% cpu 1.895 total
1.01s user 1.18s system 115% cpu 1.903 total
1.08s user 1.03s system 115% cpu 1.825 total
1.05s user 1.09s system 115% cpu 1.844 total

From the above is visible that GBT performs faster than Bash and ZSH even if the testing script was as simple as possible. You can also notice that GBT was using more CPU than Bash or ZSH. That's probably because of the built-in concurrency support in Go.

Prompt forwarding

In order to enjoy GBT prompt via SSH but also in Docker, Kubectl, Vagrant, MySQL or in Screen without the need to install GBT everywhere, you can use GBTS (GBT written in Shell). GBTS is a set of scripts which get forwarded to applications and remote connections and then executed to generate the nice looking prompt.

You can start using it by doing the following:

export GBT__HOME='/usr/share/gbt'
source $GBT__HOME/sources/gbts/cmd/local.sh

This will automatically create command line aliases for all enabled plugins (by default docker, gssh, kubectl, mysql, screen, ssh, su, sudo and vagrant). Then just SSH to some remote server or enter some Docker container (even via kubectl) or Vagrant box and you should get GBT prompt there.

If you want to have some of the default aliase available only on the remote site, just un-alias them locally:

unalias sudo su

You can also forward your own aliases which will be then available on any remote site. For example to have alias ll='ls -l' on any remote site, just create the following alias and it will be automatically forwarded:

alias gbt___ll='ls -l'

The idea behind prompt forwarding is coming from Vladimir Babichev (@mrdrup) who was using it for several years before GBT even existed. After seeing the potential of GBT, he sparked the implementation of prompt forwarding into GBT which later turned into GBTS.

Principle

Principle of GBTS is to pass the GBTS scripts to the application and then execute them. This is done by concatting all the GBTS scripts into one file and encoding it by Base64 algorithm. Such string, together with few more commands, is then used as an argument of the application which makes it to store it on the remote site in the /tmp/.gbt.<NUM> file. The same we create the /tmp/.gbt.<NUM>.bash script which is then used as a replacement of the real shell on the remote site. For SSH it would look like this:

ssh -t myserver "export GBT__CONF='$GBT__CONF' && echo '<BASE64_ENCODED_STRING>' | base64 -d > \$GBT__CONF && bash --rcfile \$GBT__CONF"

In order to make all this invisible, we wrap that command into a function (e.g. gbt_ssh) and assign it to an alias of the same name like the original application (e.g. ssh):

alias ssh='gbt_ssh'

The same or very similar principle applies to other supported commands like docker, gssh (GCP SSH), kubectl, mysql, screen, su, sudo and vagrant.

Additional settings

GBTS has few settings which can be used to influence its behaviour. See the details here.

MacOS users

To make GBTS working correctly between Linux and MacOS and vice versa requires a little bit of fiddling. The reason is that the basic command line tools like date and base64 are very old on MacOS and mostly incompatible with the Linux world. Some tools are even called differently (e.g. md5sum is called md5).

Therefore if you want to make the remote script verification working (make sure nobody changed the remote script while using it), the following variables must be set:

# Use 'md5' command instead of 'md5sum'
export GBT__SOURCE_MD5_LOCAL='md5'
# Cut the 4th field from the output of 'md5'
export GBT__SOURCE_MD5_CUT_LOCAL='4'

If you don't want to use this feature, you can disable it in which case the above variables won't be required:

export GBT__SOURCE_SEC_DISABLE=1

When using the ExecTime car, the following variable must be set:

# Don't use nanoseconds in the 'ExecTime' car
export GBT__SOURCE_DATE_ARG='+%s'

For maximum compatibility with GBT, it's recommended to install GNU coreutils (brew install coreutils) and instead of the variable above use these:

# Use 'gdate' instead of 'date'
export GBT__SOURCE_DATE='gdate'
# Use 'gdate' instead of 'date' (only if you run GBT on a Mac)
export GBT__SOURCE_BASE64_LOCAL='gbase64'
# Use 'gdate' instead of 'date' (only if you are connection to Mac via SSH)
export GBT__SOURCE_BASE64='gbase64'

When connecting to MacOS from Linux using gbt_ssh and not using gbase64 on MacOS, the following variable must be set on Linux to make the Base64 decoding working on MacOS:

# Use 'base64 -D' to decode Base64 encoded text
export GBT__SOURCE_BASE64_DEC='-D'

Limitations

TODO

Contribution to the following is more than welcome:

  • Optimize generated escape sequence
    • Don't decorate empty string
    • Don't decorate child element with the same attributes used by the parent
  • Implement templating language to allow more dynamic configuration
    • Jinja2-like syntax
    • Should be able to refer variables from the local car
      • GBT_CAR_GIT_BG="{% 'red' if Status == '{{ StatusDirty }}' else 'light_gray' %}"
    • Should be able to refer ENV variables (e.g. env('HOME'))
    • Could be able to refer variables from another car
    • Advanced functionality via pipes (e.g. <expr> | substr(1,3))
  • Add support for GBT plugins
    • Load plugins with GBT_PLUGINS='mycar1:/path/to/mycar1.so;mycar2:/path/to/mycar2.so'
    • Load the plugin, read the Car symbol and assign the reference to the mycar1 in the carsFactory
  • Implement Vim statusline using GBT as the generator
  • Implement Tmux statusline using GBT as the generator
  • Add weather car
    • Using Yahoo Weather API
    • Needs to cache the results in a file and refresh only if its timestamp is older than certain time. Or perhaps store the last update in env var?
  • Add more themes

Author

Jiri Tyr

License

MIT

Issues
  • Missing kubectl info and extra space on the left

    Missing kubectl info and extra space on the left

    Heya, gbt looks awesome, and I got to look almost perfectly as my spaceship theme from ohmyzsh, buuuut, gbt loads wayyyyy faster than spaceship.

    I'm still running into two issues:

    • kubectl information not showing
    • there is an extra space on the left that I cant seem to be able to get rid of
    ➜ # really slow spaceship theme
    
    ~ on 🐳 v18.06.1-ce at ☸️  minikube
    ➜ # load gbt
    
    ~ on 🐳 v18.06.1-ce at ☸️  minikube
    ➜ source ~/.dotfiles/zshrc/gbt.sh
     ~
     ➜ # where is my kubectl?
     ~
     ➜ env | rg GBT
    GBT_CAR_DIR_DEPTH=9999
    GBT_CARS=Dir, Git, Kubectl, Status
    GBT_RCARS=Git
    GBT_SEPARATOR=
    GBT_CAR_BG=default
    GBT_BEGINNING_TEXT=
    GBT_CAR_DIR_FG=cyan
    GBT_CAR_GIT_FG=magenta
    GBT_CAR_GIT_DIRTY_FG=red
    GBT_CAR_GIT_CLEAN_FG=green
    GBT_CAR_GIT_SEP=on
    GBT_CAR_STATUS_DISPLAY=1
    GBT_CAR_STATUS_ERROR_FG=red
    GBT_CAR_STATUS_ERROR_BG=default
    GBT_CAR_STATUS_OK_FG=green
    GBT_CAR_STATUS_OK_BG=default
    GBT_CAR_STATUS_WRAP=1
    GBT_CAR_STATUS_ERROR_TEXT=➜
    GBT_CAR_STATUS_OK_TEXT=➜
    GBT_CAR_KUBECTL_BG=26
    GBT_CAR_KUBECTL_FG=white
    GBT_CAR_KUBECTL_FM=none
    GBT_CAR_KUBECTL_FORMAT= {{ Icon }} {{ Context }}
    GBT_CAR_KUBECTL_ICON_TEXT=⎈
     ~
     ➜
    

    notice that right after I load gbt I immediately get an extra space to the left... maybe its just Monday and I need more coffee :D

    here is the .sh file I'm loading there (all the kubectl stuff at the bottom was added so I could try fiddling with the settings.

    # enable GBT
    PROMPT='$(gbt $?)'
    
    # show "infinite" dir depth
    export GBT_CAR_DIR_DEPTH='9999'
    
    # ExecTime
    export GBT_CARS='Dir, Git, Kubectl, Status'
    export GBT_RCARS='Git'
    export GBT_SEPARATOR=""
    export GBT_CAR_BG="default"
    export GBT_BEGINNING_TEXT=""
    
    export GBT_CAR_DIR_FG="cyan"
    
    export GBT_CAR_GIT_FG="magenta"
    export GBT_CAR_GIT_DIRTY_FG="red"
    export GBT_CAR_GIT_CLEAN_FG="green"
    export GBT_CAR_GIT_SEP="on"
    
    # export GBT_CAR_EXECTIME_FG="green"
    # export GBT_CAR_EXECTIME_SEP="took"
    # export GBT_CAR_EXECTIME_PRECISION="0"
    
    
    export GBT_CAR_STATUS_DISPLAY='1'
    export GBT_CAR_STATUS_ERROR_FG="red"
    export GBT_CAR_STATUS_ERROR_BG="default"
    export GBT_CAR_STATUS_OK_FG="green"
    export GBT_CAR_STATUS_OK_BG="default"
    export GBT_CAR_STATUS_WRAP=1
    export GBT_CAR_STATUS_ERROR_TEXT='➜'
    export GBT_CAR_STATUS_OK_TEXT='➜'
    export GBT_CAR_STATUS_WRAP=1
    
    # Background color of the car.
    export GBT_CAR_KUBECTL_BG='26'
    
    # Foreground color of the car.
    export GBT_CAR_KUBECTL_FG='white'
    
    # Formatting of the car.
    export GBT_CAR_KUBECTL_FM='none'
    
    # Format of the car. {{ Cluster }}, {{ AuthInfo }} and {{ Namespace }} can be used here as well.
    export GBT_CAR_KUBECTL_FORMAT=' {{ Icon }} {{ Context }} '
    
    # Background color of the {{ Icon }} element.
    export GBT_CAR_KUBECTL_ICON_BG
    
    # Foreground color of the {{ Icon }} element.
    export GBT_CAR_KUBECTL_ICON_FG
    
    # Formatting of the {{ Icon }} element.
    export GBT_CAR_KUBECTL_ICON_FM
    
    # Text content of the {{ Icon }} element.
    export GBT_CAR_KUBECTL_ICON_TEXT='⎈'
    
    # Background color of the {{ Context }} element.
    export GBT_CAR_KUBECTL_CONTEXT_BG
    
    # Foreground color of the {{ Context }} element.
    export GBT_CAR_KUBECTL_CONTEXT_FG
    
    # Formatting of the {{ Context }} element.
    export GBT_CAR_KUBECTL_CONTEXT_FM
    
    # Text content of the {{ Context }} element.
    export GBT_CAR_KUBECTL_CONTEXT_TEXT
    
    # Background color of the {{ Cluster }} element.
    export GBT_CAR_KUBECTL_CLUSTER_BG
    
    # Foreground color of the {{ Cluster }} element.
    export GBT_CAR_KUBECTL_CLUSTER_FG
    
    # Formatting of the {{ Cluster }} element.
    export GBT_CAR_KUBECTL_CLUSTER_FM
    
    # Text content of the {{ Cluster }} element.
    export GBT_CAR_KUBECTL_CLUSTER_TEXT
    
    # Background color of the {{ AuthInfo }} element.
    export GBT_CAR_KUBECTL_AUTHINFO_BG
    
    # Foreground color of the {{ AuthInfo }} element.
    export GBT_CAR_KUBECTL_AUTHINFO_FG
    
    # Formatting of the {{ AuthInfo }} element.
    export GBT_CAR_KUBECTL_AUTHINFO_FM
    
    # Text content of the {{ AuthInfo }} element.
    export GBT_CAR_KUBECTL_AUTHINFO_TEXT
    
    # Background color of the {{ Namespace }} element.
    export GBT_CAR_KUBECTL_NAMESPACE_BG
    
    # Foreground color of the {{ Namespace }} element.
    export GBT_CAR_KUBECTL_NAMESPACE_FG
    
    # Formatting of the {{ Namespace }} element.
    export GBT_CAR_KUBECTL_NAMESPACE_FMT
    
    # Text content of the {{ Namespace }} element.
    export GBT_CAR_KUBECTL_NAMESPACE_TEXT
    

    Setting GBT_DEBUG='1' didn't give me any extra output... :(

    Hope you can shed some light on what I'm doing wrong

    question 
    opened by argais 20
  • Unable to setup prompt forwarding on macOS Mojave.

    Unable to setup prompt forwarding on macOS Mojave.

    For a simple life I just want it working with SSH. I have:

    # GBT Prompt forwarding
    export GBT__HOME='/usr/local/share/gbt-git'
    # Use 'md5' command instead of 'md5sum'
    export GBT__SOURCE_MD5_LOCAL='md5'
    # Cut the 4th field from the output of 'md5'
    export GBT__SOURCE_MD5_CUT_LOCAL='4'
    # Use 'gdate' instead of 'date'
    export GBT__SOURCE_DATE='gdate'
    # Use 'gdate' instead of 'date' (only if you run GBT on a Mac)
    export GBT__SOURCE_BASE64_LOCAL='gbase64'
    # List of plugins to pack for local commands
    export GBT__PLUGINS_LOCAL='ssh'
    source "$GBT__HOME/sources/gbts/cmd/local.sh"
    
    alias ssh='gbt_ssh'
    

    When running 'ssh' I get the error gbt_ssh:7: command not found: ssh: aliased to gbt_ssh. I believe this is because the gbt_ssh script calls 'ssh', which is aliased. Though I'm not even 50% on that.

    bug 
    opened by cooperaj 16
  • Prompt forwarding $PATH issue

    Prompt forwarding $PATH issue

    Hey,

    Looks like there is an issue with the prompt forwarding, where the GBT bash scripts have an issue with the PATH variable.

    I am using GBT on Bash under Ubuntu 16.04

      [email protected]  ~  ⎈ minidev  $ env | grep -i GBT
    
    GBT_CARS=Status, Os,Hostname, Dir, Git, Kubectl,Docker,Sign
    GBT__HOME=/home/louis/Documents/code/go/src/github.com/jtyr/gbt
    PS1=$(/home/louis/Documents/code/go/bin/gbt $?)
    
     ✘    [email protected]  ~  ⎈ minidev  $ echo $PATH
    /home/louis/bin:/home/louis/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/lib/jvm/java-8-oracle/bin:/usr/lib/jvm/java-8-oracle/db/bin:/usr/lib/jvm/java-8-oracle/jre/bin:/usr/lib/go-1.10//bin:/home/louis/jpm/bin:/usr/lib/go-1.10/bin
    
     ✘    [email protected]  ~  ⎈ minidev  $ /home/louis/Documents/code/go/bin/gbt --version
    GBT v1.2.0
    
       [email protected]  gbt   master ✘  ⎈ minidev  $ pwd
    /home/louis/Documents/code/go/src/github.com/jtyr/gbt
       [email protected]  gbt   master ✘  ⎈ minidev  $ git rev-parse HEAD
    fca8b62fa19f00f29095686110905ecf9e1aed00
    
       [email protected]  ~  ⎈ minidev  $ gbt_ssh [email protected]
    ERROR: 'which' not found
    

    I am using the version from the repo as I wanted the kubectl stuff.

    Any idea of what I can do to debug/fix this ?

    bug 
    opened by Alucardfh 10
  • add docker car + add option to show stashes

    add docker car + add option to show stashes

    enhancement wontfix 
    opened by hoshsadiq 9
  • /etc/os-release changes in openSUSE

    /etc/os-release changes in openSUSE

    In openSUSE version 42.3 and earlier the ID tag in /etc/os-release is ID=opensuse

    Now days openSUSE has two realeses, leap and tumbleweed where leap is the "stable" version and tumbleweed is a rolling release.

    So the os-car doesn't display the chameleon for new openSUSE releases.

    the new ID tags is ID="opensuse-tumbleweed" and ID="opensuse-leap"

    It would also be nice if the same OS-logo would show for SUSE Enterprise Linux Server ID="sles"

    enhancement 
    opened by SweBarre 8
  • Stop forwarding of unwanted aliases

    Stop forwarding of unwanted aliases

    Forward only aliases prefixed with gbt___.

    Example of unexpected behaviour:

    00:33:58 ✔ [mac] ~  alias | grep gbt_
    alias docker='gbt_docker'
    alias gbt___dp='docker ps --format "table {{.ID}}\t{{.Image}}\t{{.Names}}\t{{.Status}}\t{{.Ports}}"'
    00:34:02 ✔ [mac] ~  echo $GBT__PLUGINS_REMOTE
    ssh,sudo
    00:34:11 ✔ [mac] ~  gbt_ssh [email protected] -p 2200
      00:34:18 ✔ [[email protected]] ~ # alias | grep gbt
    alias docker='gbt_docker'
      00:34:26 ✔ [[email protected]] ~ #
    
    enhancement 
    opened by mrdrup 8
  • gbt not found (armbian/dietpi)

    gbt not found (armbian/dietpi)

    # apt-get update
    Stary:1 https://www.mirrorservice.org/sites/archive.raspbian.org/raspbian stretch InRelease
    Stary:2 https://archive.raspberrypi.org/debian stretch InRelease
    Stary:3 https://packagecloud.io/gbt/release/ubuntu xenial InRelease
    Czytanie list pakietów... Gotowe
    root :~# apt-get install gbt
    Czytanie list pakietów... Gotowe
    Budowanie drzewa zależności       
    Odczyt informacji o stanie... Gotowe
    E: Nie udało się odnaleźć pakietu gbt
    
    build 
    opened by and09 7
  • Inconsistent behavior between gbt and gbts

    Inconsistent behavior between gbt and gbts

    I prefer a small prompt so I don’t have set the GBT_CAR_SIGN_USER_TEXT to ‘’

    GBT_CAR_SIGN_USER_TEXT=''
    

    local_prompt

    When ssh to a remote machine and I set the GBT_CAR_SIGN_USER_TEXT='' in the gbts theme it gets over ride by the default setting and I’ll get a $ on my prompt, because bash handles unset and null the same way When not performing substring expansion, using the form described below (e.g., ‘:-’), Bash tests for a parameter that is unset or null.

    gbts

    If I remove the Sign from GBT_CARS the end of the PS1 is flat in the end and not that appealing

    gbts_flat

    So my question is if there's a way for me to remove the $ sign to get a similar experience with gbts as I get with gbt, or do I need to patch the sign.sh to check if GBT_CAR_SIGN_USER_TEXT is unset, if so set it to $, something like the following in the beginning och sign.sh

    [ -z "${GBT_CAR_SIGN_USER_TEXT+x}" ] && GBT_CAR_SIGN_USER_TEXT="$"
    

    Any suggestions would be appreciated

    enhancement 
    opened by SweBarre 7
  • Bash activation

    Bash activation

    archlinux, package from the aur:

    [[email protected] ~]$ PS1='$(gbt $?)'
    %{%}%{%}%{%} %{%}%{%}%{%}%{%} %{%}%{%}%{%}%{%}%{%} %{%}%{%}%{%}%{%}gabriele%{%}%{%}@%{%}%{%}archlinux%{%}%{%}%{%}%{%} %{%}%{%}%{%}%{%}%{%} %{%}%{%}~%{%}%{%} %{%}%{%}%{%}%{%}%{%} %{%}%{%}%{%}%{%}%{%}$%{%}%{%}%{%}%{%}%{%} %{%}
    

    I don't understand...can you help me?

    question 
    opened by GFdevelop 7
  • GBT__CONF undefined when using gbt_sudo

    GBT__CONF undefined when using gbt_sudo

    So I've aliased sudo to gbt_sudo and I've found that when I use sudo, the function attempts to remove apparently non-existant files. I'm assuming this is due to GBT__CONF expanding to nothing in the gbt_sudo function:

    https://github.com/jtyr/gbt/blob/9dca4c50408c87127427d3f36c306b654696fe8f/sources/gbts/cmd/local/sudo.sh#L7-L17

    I'm guessing the variable's never defined, sudo is run with the given arguments, and then rm is run. This failed pretty ungracefully since I have a .bash directory where I oftentimes run sudo (@$HOME), spewing out an error entailing .bash was a directory rm couldn't remove (without -r, of course).

    My question is: Is there a reason for that rm command to be outside the else clause, where GBT__CONF is defined? If not, why not pull it in there to avoid it?

    enhancement 
    opened by rgcv 7
Releases(v2.0.0)
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