bashrc

#!/bin/bash
#
# Mitchell Hashimoto's bash environment
# Much taken from Ryan Tomayko (thanks!)

# Basics
: ${HOME=~}
: ${LOGNAME=$(id -un)}
: ${UNAME=$(uname)}

# Complete hostnames from this file
: ${HOSTFILE=~/.ssh/known_hosts}

#-------------------------------------------------------------------------------
# Shell Options
#-------------------------------------------------------------------------------

# System bashrc
test -r /etc/bash.bashrc && . /etc/bash.bashrc

# Notify bg task completion immediately
set -o notify

# Fucking mail notifications
unset MAILCHECK

# default umask
umask 0022

# Terminal type
case $UNAME in
    CYGWIN* | MINGW32*)
        export TERM=cygwin
        ;;
    *)
        export TERM=xterm-256color
        ;;
esac

#-------------------------------------------------------------------------------
# Path
#-------------------------------------------------------------------------------

case $UNAME in
    MINGW*)
        # Don't touch the default PATH, it inherits Windows.
        ;;
    *)
        # Various sbins
        PATH="/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin"
        PATH="/usr/local/bin:$PATH"
        ;;
esac

# OS-Specific path stuff
if [[ `uname` == "Darwin" ]]; then
    alias emacs="/usr/local/Cellar/emacs/23.3/Emacs.app/Contents/MacOS/Emacs -nw"
elif [[ `uname` == "Linux" ]]; then
    PATH="/usr/bin/perlbin/vendor:$PATH"
fi

# ~/bin if it exists
test -d "$HOME/bin" &&
PATH="$HOME/bin:$PATH"

# texbin if it exists for LaTeX stuff
test -d "/usr/texbin" &&
PATH="/usr/texbin:$PATH"

# Heroku toolbelt
test -d "/usr/local/heroku/bin" &&
PATH="/usr/local/heroku/bin:$PATH"

#-------------------------------------------------------------------------------
# Env. Configuration
#-------------------------------------------------------------------------------

# detect interactive shell
case "$-" in
    *i*) INTERACTIVE=yes ;;
    *)   unset INTERACTIVE ;;
esac

# detect login shell
case "$0" in
    -*) LOGIN=yes ;;
    *)  unset LOGIN ;;
esac

# Proper locale
: ${LANG:="en_US.UTF-8"}
: ${LANGUAGE:="en"}
: ${LC_CTYPE:="en_US.UTF-8"}
: ${LC_ALL:="en_US.UTF-8"}
export LANG LANGUAGE LC_CTYPE LC_ALL

# Always use passive mode FTP
: ${FTP_PASSIVE:=1}
export FTP_PASSIVE

# Ignore backups, CVS directories
FIGNORE="~:CVS:#:.pyc"
HISTCONTROL=ignoreboth

# XDG config. This is different on Mac for historical reasons, but
# on our Linux dev machines we can keep it clean. Its important anything
# we do that uses the XDG directories uses the exported env vars directly.
case $UNAME in
    Linux*)
        export XDG_CONFIG_HOME="$HOME/.config"
        ;;
    *)
        export XDG_CONFIG_HOME="$HOME"
        ;;
esac

# Silence deprecation on Catalina
export BASH_SILENCE_DEPRECATION_WARNING=1

#-------------------------------------------------------------------------------
# Editor and Pager
#-------------------------------------------------------------------------------
EDITOR="vim"
export EDITOR

PAGER="less -FirSwX"
MANPAGER="$PAGER"
export PAGER MANPAGER

#-------------------------------------------------------------------------------
# Prompt
#-------------------------------------------------------------------------------
RED="\[\033[0;31m\]"
BROWN="\[\033[0;33m\]"
GREY="\[\033[0;97m\]"
GREEN="\[\033[0;32m\]"
BLUE="\[\033[0;34m\]"
PS_CLEAR="\[\033[0m\]"
SCREEN_ESC="\[\033k\033\134\]"

COLOR1="${BLUE}"
COLOR2="${BLUE}"
P="\$"

prompt_simple() {
    unset PROMPT_COMMAND
    PS1="\W\$(parse_git_branch) → "
    PS2="> "
}

prompt_compact() {
    unset PROMPT_COMMAND
    PS1="${COLOR1}${P}${PS_CLEAR} "
    PS2="> "
}

prompt_color() {
    local remote=""
    if grep docker /proc/1/cgroup -qa >/dev/null 2>&1; then
        remote="🐶 "
    fi

    PS1="${GREEN}${remote}\W\$(parse_git_branch) → ${GREY}"
    PS2="\[[33;1m\]continue \[[0m[1m\]> "
}

parse_git_branch() {
    [ -d .git ] || return 1
    git symbolic-ref HEAD 2> /dev/null | sed 's#\(.*\)\/\([^\/]*\)$# \2#'
}

#-------------------------------------------------------------------------------
# Aliases / Functions
#-------------------------------------------------------------------------------
alias dul='du -h --max-depth=1'
alias hi='history | tail -20'

# Git aliases
alias ga='git add'
alias gc='git commit'
alias gco='git checkout'
alias gcp='git cherry-pick'
alias gdiff='git diff'
alias gl='git prettylog'
alias gp='git push'
alias gs='git status'
alias gt='git tag'

# Others
alias be='bundle exec'
alias v='vagrant'

# Usage: puniq [path]
# Remove duplicate entries from a PATH style value while
# retaining the original order.
puniq() {
    echo "$1" |tr : '\n' |nl |sort -u -k 2,2 |sort -n |
    cut -f 2- |tr '\n' : |sed -e 's/:$//' -e 's/^://'
}

#-------------------------------------------------------------------------------
# SSH Agent
#-------------------------------------------------------------------------------
SSH_ENV=$HOME/.ssh/environment

function start_ssh_agent {
    if [ ! -x "$(command -v ssh-agent)" ]; then
        return
    fi

    if [ ! -d "$(dirname $SSH_ENV)" ]; then
        mkdir -p $(dirname $SSH_ENV)
        chmod 0700 $(dirname $SSH_ENV)
    fi

    ssh-agent | sed 's/^echo/#echo/' > ${SSH_ENV}
    chmod 0600 ${SSH_ENV}
    . ${SSH_ENV} > /dev/null
    ssh-add
}

# Source SSH agent settings if it is already running, otherwise start
# up the agent proprely.
if [ -f "${SSH_ENV}" ]; then
     . ${SSH_ENV} > /dev/null
     # ps ${SSH_AGENT_PID} doesn't work under cywgin
     ps -ef | grep ${SSH_AGENT_PID} | grep ssh-agent$ > /dev/null || {
         start_ssh_agent
     }
else
    case $UNAME in
      MINGW*)
        ;;
      *)
        start_ssh_agent
        ;;
    esac
fi

#-------------------------------------------------------------------------------
# Other
#-------------------------------------------------------------------------------
# Plugins
PLUGINS=(
    # Must be run first to setup the environment
    "linux"

    "depot_tools"
    "gcloud"
    "git"
    "go"
    "gvm"
    "java"
    "latex"
    "mdv"
    "nvm"
    "rbenv"
    "rvm"
    "scala"
    "tmux"
    "windows"
)

for plugin in "${PLUGINS[@]}"
do
  plugin_path="$HOME/.bash.d/${plugin}"
  test -f $plugin_path && source $plugin_path
done

#-------------------------------------------------------------------------------
# User Shell Environment
#-------------------------------------------------------------------------------
case $UNAME in
    MINGW*)
        # Don't condense path, since function doesn't work here.
        ;;
    *)
        # Condense path variables
        PATH=$(puniq $PATH)
        MANPATH=$(puniq $MANPATH)
        ;;
esac

# Set default prompt if interactive
test -n "$PS1" &&
prompt_color

# Setup TTY for GPG
export GPG_TTY=$(tty)

# added by travis gem
[ -f /Users/mitchellh/.travis/travis.sh ] && source /Users/mitchellh/.travis/travis.sh