dot_bashrc

# shellcheck disable=SC2148
# ~/.bashrc: executed by bash(1) for non-login shells.

if [ -z "$PS1" ]; then
    # If not running interactively, don't do anything
    return
fi

unset CDPATH

export HOSTFILE=$HOME/.hosts # Put list of remote hosts in ~/.hosts
export PAGER="less"
export LESS="-I -j6 -M -F -X -R"

#
# Shell opts: see bash(1)
#
# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize
shopt -s cdable_vars    # if cd arg fail, assumes its a var defining a dir
shopt -s cdspell        # autocorrects cd misspellings
shopt -s cmdhist        # save multi-line commands in history as single line
shopt -s expand_aliases # expand aliases
shopt -s extglob        # enable extended pattern-matching features
shopt -s checkhash
shopt -s dirspell
shopt -s no_empty_cmd_completion
shopt -s dotglob      # include dotfiles in pathname expansion
shopt -s hostcomplete # attempt hostname expansion when @ is at the beginning of a word
#shopt -s nocaseglob         # pathname expansion will be treated as case-insensitive

# make less more friendly for non-text input files, see lesspipe(1)
[ -x /usr/bin/lesspipe ] && eval "$(lesspipe)"

use_color=true

# Set colorful PS1 only on colorful terminals.
# dircolors --print-database uses its own built-in database
# instead of using /etc/DIR_COLORS.  Try to use the external file
# first to take advantage of user additions.  Use internal bash
# globbing instead of external grep binary.
safe_term=${TERM//[^[:alnum:]]/?} # sanitize TERM
match_lhs=""
[[ -f ~/.dir_colors ]] && match_lhs="${match_lhs}$(<~/.dir_colors)"
[[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(</etc/DIR_COLORS)"
[[ -z ${match_lhs} ]] &&
    type -P dircolors >/dev/null &&
    match_lhs=$(dircolors --print-database)
[[ $'\n'${match_lhs} == *$'\n'"TERM "${safe_term}* ]] && use_color=true

if ${use_color}; then
    # Enable colors for ls, etc.  Prefer ~/.dir_colors #64489
    if type -P dircolors >/dev/null; then
        if [[ -f ~/.dir_colors ]]; then
            eval "$(dircolors -b ~/.dir_colors)"
        elif [[ -f /etc/DIR_COLORS ]]; then
            eval "$(dircolors -b /etc/DIR_COLORS)"
        fi
    fi

    if [[ ${EUID} == 0 ]]; then
        PS1='\[\033[01;31m\]\h\[\033[01;34m\] \W \$\[\033[00m\]\n$ '
    else
        PS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\n$ '
        #PS1='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] '
    fi

    alias ls='ls -hF --color=always --group-directories-first'
    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
else
    if [[ ${EUID} == 0 ]]; then
        # show root@ when we don't have colors
        # PS1='\u@\h \W \$ '
        PS1='[\u@\h:\W] '
    else
        #PS1='\u@\h \w \$ '
        PS1='[\u@\h:\w] '
    fi
fi

# Try to keep environment pollution down, EPA loves us.
unset use_color safe_term match_lhs

if [ -n "$DISPLAY" ] && [ "$TERM" == "xterm" ] &&
    [ -e /usr/share/terminfo/x/xterm-256color ]; then
    export TERM=xterm-256color
fi

# Turn off annoying and useless flow control keys
stty -ixon

# debug bash script
debug() {
    local script="$1"
    shift
    bash -x "$(command -v "$script")" "$@"
}

# set PATH so it includes user's private bin if it exists
if [ -d ~/bin ]; then
    PATH=~/bin:"${PATH}"
fi

#
# Other Alias
#
alias ll='ls -l'

# safety features
alias cp='cp -i'
alias mv='mv -i'
alias rm='rm -i'

alias e=vim
export EDITOR='vim'
alias ..='cd ..'

export PATH=$HOME/.local/share/zinit/plugins/tmux/:$PATH

if (command -v keychain >/dev/null 2>&1); then
    if [[ -f "$HOME/.ssh/id_rsa" ]]; then
        eval "$(keychain --eval --quiet --agents ssh id_rsa)"
    fi
fi

#
# History Stuff
#

export HISTTIMEFORMAT="%H:%M > "
HISTIGNORE='&:[bf]g:ll:h:ls:clear:exit:\&:pwd:up:cd ..:'
HISTIGNORE=${HISTIGNORE}':cd ~-:cd -:cd:jobs:set -x:ls -l:top'
HISTIGNORE=${HISTIGNORE}':%1:%2:popd:top:halt:shutdown:reboot*'
export HISTIGNORE
shopt -s histreedit # reedit a history substitution line if it failed
shopt -s histverify # edit a recalled history line before executing

shopt -s histappend        # append new history items to .bash_history
export HISTCONTROL=ignoreboth:erasedups:ignorespace
export HISTFILESIZE=10000       # increase history file size (default is 500)
export HISTSIZE=${HISTFILESIZE} # increase history size (default is 500)
# ensure synchronization between Bash memory and history file
export PROMPT_COMMAND="history -a; history -n; ${PROMPT_COMMAND}"

# vim:ft=bash ts=4 sw=4