My macOS .bash_profile

.bash_profile

# Read .bashrc file if it exists
if [ -f ~/.bashrc ]; then
   source ~/.bashrc
fi

# Add syntax coloring for less, relies on the source-highlight homebrew formula
LESSPIPE=`which src-hilite-lesspipe.sh`
export LESSOPEN="| ${LESSPIPE} %s"
export LESS=' -R -X -F '

# Git branch parsing
parse_git_branch() {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

# Improve prompt layout & show git branch
export PS1="\u@\h \W\[\033[32m\]\$(parse_git_branch)\[\033[00m\] $ "