Bash profile settings

.bashrc

# -------
# .bashrc
# -------

# fix colors
export TERM=xterm-256color

# add to path
export PATH="/usr/local/opt:/usr/local/opt/ruby/bin:$PATH"

# aliases
alias ll="ls -alhG"
alias grep="grep --color=auto"
alias stata="/Applications/Stata/StataMP.app/Contents/MacOS/stata-mp"
alias emacs="/Applications/Emacs.app/Contents/MacOS/Emacs -nw"

# locale
export LANG=en_US.UTF-8
export LC_ALL=en_US.UTF-8

# use emacs as git editor in Terminal
export GIT_EDITOR="/Applications/Emacs.app/Contents/MacOS/Emacs -nw"

# ------------------------------------------------------------------------------
# updated git-aware prompt from mathiasbynens dotfiles repo
# https://github.com/mathiasbynens/dotfiles/blob/master/.bash_prompt
# ------------------------------------------------------------------------------

prompt_git() {
	local s='';
	local branchName='';

	# Check if the current directory is in a Git repository.
	git rev-parse --is-inside-work-tree &>/dev/null || return;

	# Check for what branch we’re on.
	# Get the short symbolic ref. If HEAD isn’t a symbolic ref, get a
	# tracking remote branch or tag. Otherwise, get the
	# short SHA for the latest commit, or give up.
	branchName="$(git symbolic-ref --quiet --short HEAD 2> /dev/null || \
		git describe --all --exact-match HEAD 2> /dev/null || \
		git rev-parse --short HEAD 2> /dev/null || \
		echo '(unknown)')";

	# Early exit for Chromium & Blink repo, as the dirty check takes too long.
	# Thanks, @paulirish!
	# https://github.com/paulirish/dotfiles/blob/dd33151f/.bash_prompt#L110-L123
	repoUrl="$(git config --get remote.origin.url)";
	if grep -q 'chromium/src.git' <<< "${repoUrl}"; then
		s+='*';
	else
		# Check for uncommitted changes in the index.
		if ! $(git diff --quiet --ignore-submodules --cached); then
			s+='+';
		fi;
		# Check for unstaged changes.
		if ! $(git diff-files --quiet --ignore-submodules --); then
			s+='!';
		fi;
		# Check for untracked files.
		if [ -n "$(git ls-files --others --exclude-standard)" ]; then
			s+='?';
		fi;
		# Check for stashed files.
		if $(git rev-parse --verify refs/stash &>/dev/null); then
			s+='$';
		fi;
	fi;

	[ -n "${s}" ] && s=" [${s}]";

	echo -e "${1}${branchName}${2}${s}";
}

if tput setaf 1 &> /dev/null; then
	tput sgr0; # reset colors
	bold=$(tput bold);
	reset=$(tput sgr0);
	# Zenburn colors taken from Terminal.app.
	black=$(tput setaf 0);
	blue=$(tput setaf 4);
	cyan=$(tput setaf 6);
	green=$(tput setaf 2);
	orange=$(tput setaf 130);
	red=$(tput setaf 1);
	white=$(tput setaf 7);
	yellow=$(tput setaf 3);
fi;

# Set the terminal title and prompt.
PS1="\[${bold}\]\n"; 
PS1+="\[${green}\][\w]"; 
PS1+="\$(prompt_git \"\[${white}\] on \[${blue}\](\" \")\[${red}\]\")"; 
PS1+="\n";
PS1+="\[${white}\]\$ \[${reset}\]"; 
export PS1;

PS2="\[${yellow}\]→ \[${reset}\]";
export PS2;

# ------------------------------------------------------------------------------
# ------------------------------------------------------------------------------