#!/usr/bin/env bash
# executed by bash(1) for non-login shells.

# ==============================
# SHELL OPTIONS
# ==============================

# shell command line style : emacs, vi, noediting
set -o emacs
# set -o vi
# set –noediting

# exit will lists the status interactive jobs and postpone if one is running
shopt -s checkjobs

# includes filenames beginning with a . (dot) in pathname expansion
shopt -s dotglob

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# enable programmable completion features
if ! shopt -oq posix; then
  if [ -f /usr/share/bash-completion/bash_completion ]; then
    . /usr/share/bash-completion/bash_completion
  elif [ -f /etc/bash_completion ]; then
    . /etc/bash_completion
  fi
fi

# activate a DEBUG trap to catch term window resize
#declare -x rows cols
#update_size(){
#  winsizeStatus=$(shopt | grep checkwinsize | awk '{print $2}')
#  if [[ "$winsizeStatus" == "off" ]]; then
#    rows=$(tput lines)
#    cols=$(tput cols)
#    echo -en "\e[2;5;90mDEBUG\e[25;90m TERM winsize updated to ${rows}x${cols} >\e[0m"
#  else
#    echo -en "\e[2;5;90mDEBUG\e[25;90m TERM winsize updated to ${LINES}x${COLUMNS} >\e[0m"
#  fi
#}
#trap update_size WINCH

# ==============================
# HISTORY
# ==============================

# attempts to save all lines of a multiple-line command in the same history entry
shopt -s cmdhist

# appended rather than overwrite
shopt -s histappend

# with cmdhist, saved with embedded newlines rather than semicolon separators 
shopt -s lithist

HISTCONTROL=ignoreboth
HISTSIZE=10000
HISTFILESIZE=20000
HISTTIMEFORMAT="%y/%m/%d %T "
HISTIGNORE="history:ls:l:pwd:exit:"
if [[ ${BASH_VERSION:0:1} -gt 5 || ${BASH_VERSION:0:1} -ge 5 && ${BASH_VERSION:2:1} -ge 1 ]]; then
  PROMPT_COMMAND=("history -a" "history -c" "history -r")
else
  PROMPT_COMMAND="history -a; history -c; history -r"
fi