messa

• Width flexible shell prompt

• Fast

  normal directory	git directory
  1.1 ms ± 0.2 ms	5.2 ms ± 0.1ms

  measured with hyperfine

• Configure with yaml

• Supports ssh, git, kubernetes, datetime

Install

1. Install messa

• statically linked single binary from here

  install -D -m 755 <(curl -L https://github.com/shosatojp/messa/releases/download/v2.1.0/messa) ~/.local/bin/messa

  You may need to modify PATH

  export PATH="$HOME/.local/bin:$PATH"
  

OR

• via cargo

  • Requirements
    • C Compiler
      • gcc
    • pkg-config
    • OpenSSL Development Package
      • Ubuntu/Debian: libssl-dev
      • Fedora: openssl-devel

    # ubuntu
    sudo apt-get install -y gcc pkg-config libssl-dev

  cargo install messa

2. Append following code to your shell config file

• Bash

  # ~/.bashrc
  export PATH="$HOME/.cargo/bin:$PATH"
  function create_prompt(){
      PS1=$(messa --error $? --width $COLUMNS --user $USER --host $HOSTNAME --shell bash)
  }
  export PROMPT_COMMAND="create_prompt;$PROMPT_COMMAND"

• Zsh

  # ~/.zshrc
  export PATH="$HOME/.cargo/bin:$PATH"
  function create_prompt() {
      PS1=$(messa --error $? --width $COLUMNS --user $USER --host $HOSTNAME --shell zsh)
  }
  precmd_functions+=(create_prompt)

• Fish

  # ~/.config/fish/config.fish
  function fish_prompt
      messa --error $status --width $COLUMNS --user $USER --host $HOSTNAME --shell fish
  end

• Nushell 🔗

  # command in nushell
  config set prompt "messa --error 0 --width (tput cols) --user $nu.env.USER --host (hostname) --shell fish"

3. Setup config

wget -O ~/.messa.yaml https://raw.githubusercontent.com/shosatojp/messa/master/.messa.yaml

4. Reload your shell

. ~/.bashrc

Build

cargo build

Related projects

• powerline-shell (Python)
• powerline-go (Go)