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🌵 Very quick shell prompt that supports multiple shells.

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Promptus

Simple and configurable shell prompt program in C which can be used to make your prompt the same on any shell.

preview of promptus

Features

Promptus is very simple, but has some convenience features for those who want them:

  • Display of the PWD (enabled by default)
  • Basename of PWD (enabled by default)
  • Abbreviation of $HOME to ~ (enabled by default)
  • Coloring of prompt based on exit code of previous program (enabled by default)
  • Customizable color set
  • Python venv prefix support

Configuration

See config.h for configuration options.

Building

Modify config.h to suit your needs and then do make. Use make install to install and make uninstall to uninstall.

Usage

Simply running promptus is enough. If PROMPT_STATUS is enabled in config.h, pass the exit code of the previous process as the first argument (or don't, which allows you to disable this feature at runtime without rebuilding promptus).

Bash

If you are using bash and want to use promptus for your prompt, this is how I would do it. Put this in your .bashrc:

export PROMPT_COMMAND=__prompt_command

if command -v promptus >/dev/null; then
    __prompt_command() { PS1="$(promptus $?)" }
else
    __prompt_command() {
        # if you have a default prompt you'd like to use when promptus isn't
        # installed, you should set PS1 here
    }
fi

Zsh

If you are using zsh, things are a little weirder than bash, but work about the same way. Try this:

if command -v promptus >/dev/null; then
    precmd() { PROMPT="$(eval 'promptus $?')" }
fi

# this won't get used if promptus is found above
export PROMPT="my cool prompt $ "

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🌵 Very quick shell prompt that supports multiple shells.

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