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Custom bash prompt, inspired by Paul Irish's dotfiles repo.
#!/bin/bash
# @gf3’s Sexy Bash Prompt, inspired by “Extravagant Zsh Prompt”
# Shamelessly copied from https://github.com/gf3/dotfiles
default_username='joemcgill'
if [[ $COLORTERM = gnome-* && $TERM = xterm ]] && infocmp gnome-256color >/dev/null 2>&1; then
export TERM=gnome-256color
elif infocmp xterm-256color >/dev/null 2>&1; then
export TERM=xterm-256color
fi
if tput setaf 1 &> /dev/null; then
tput sgr0
if [[ $(tput colors) -ge 256 ]] 2>/dev/null; then
MAGENTA=$(tput setaf 9)
ORANGE=$(tput setaf 172)
GREEN=$(tput setaf 190)
PURPLE=$(tput setaf 141)
WHITE=$(tput setaf 256)
else
MAGENTA=$(tput setaf 5)
ORANGE=$(tput setaf 4)
GREEN=$(tput setaf 2)
PURPLE=$(tput setaf 1)
WHITE=$(tput setaf 7)
fi
BOLD=$(tput bold)
RESET=$(tput sgr0)
else
MAGENTA="\033[1;31m"
ORANGE="\033[1;33m"
GREEN="\033[1;32m"
PURPLE="\033[1;35m"
WHITE="\033[1;37m"
BOLD=""
RESET="\033[m"
fi
function git_info() {
# check if we're in a git repo
git rev-parse --is-inside-work-tree &>/dev/null || return
# quickest check for what branch we're on
branch=$(git symbolic-ref -q HEAD | sed -e 's|^refs/heads/||')
# check if it's dirty (via github.com/sindresorhus/pure)
dirty=$(git diff --quiet --ignore-submodules HEAD &>/dev/null; [ $? -eq 1 ]&& echo -e "*")
echo $WHITE" on "$PURPLE$branch$dirty
}
# Only show username/host if not default
function un() {
if [ $USER != $default_username ]; then printf "${MAGENTA}$USER ${WHITE}at "; fi
}
# iTerm Tab and Title Customization and prompt customization
# http://sage.ucsc.edu/xtal/iterm_tab_customization.html
# Put the string " [bash] hostname::/full/directory/path"
# in the title bar using the command sequence
# \[\e]2;[bash] \h::\]$PWD\[\a\]
# Put the penultimate and current directory
# in the iterm tab
# \[\e]1;\]$(basename $(dirname $PWD))/\W\[\a\]
# Original from prompt from paulirish
#PS1="\[${BOLD}${MAGENTA}\]\u \[$WHITE\]at \[$ORANGE\]\h \[$WHITE\]in \[$GREEN\]\w\[$WHITE\]\$([[ -n \$(git branch 2> /dev/null) ]])\[$PURPLE\]\$(git_info)\[$WHITE\]\n\$ \[$RESET\]"
PS1="\[${BOLD}\]$(un)\[$ORANGE\]\h \[$WHITE\]in \[$GREEN\]\w\[$WHITE\]\$([[ -n \$(git branch 2> /dev/null) ]])\[$PURPLE\]\$(git_info)\[$WHITE\]\n\$ \[$RESET\]"
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