Add Git info to Bash prompt

configure_bash_prompt_for_git.sh

#!/bin/bash

set -eu

# Add Git info to Bash prompt

bash_prompt_configuration=(
  'PS1="${PS1%\\$ }\$(__git_ps1)\\$ "'
  'GIT_PS1_SHOWDIRTYSTATE=1'
)

for conf in "${bash_prompt_configuration[@]}"; do
  if ! grep -qxF "$conf" ~/.bashrc; then
    echo "$conf" >> ~/.bashrc
  fi
done