bashrc/.bashrc

#!/bin/bash
#
# ~/.bashrc
#
# Thurstylark

### MISC ###

# If not running interactively, don't do anything
[[ $- != *i* ]] && return

# Use powerline if it's installed
[ ! -z "$USING_TTY" ] && [  -s  "/usr/lib/python3.5/site-packages/powerline/bindings/bash/powerline.sh" ] && {
	powerline-daemon -q
	POWERLINE_BASH_CONTINUATION=1
	POWERLINE_BASH_SELECT=1
	. /usr/lib/python3.5/site-packages/powerline/bindings/bash/powerline.sh
}

# Don't put duplicate lines or lines starting with space in the history.
# See bash(1) for more options
HISTCONTROL=ignoreboth

# Some programs, such as tee(1), like to use this variable
LS_COLORS='di=34;40:ln=35;40:so=32;40:pi=33;40:ex=31;40:bd=34;46:cd=34;43:su=0;41:sg=0;46:tw=0;42:ow=0;43:'
export LS_COLORS

# Prefer vim, but if it's not installed, nano will do
[[ -s /usr/bin/vim ]] && export EDITOR=vim || export EDITOR=nano

# Enable pkgfile to automatically search for packages if pkgfile is installed
[[ -s /usr/share/doc/pkgfile/command-not-found.bash ]] && source /usr/share/doc/pkgfile/command-not-found.bash

# If a directory is given without any 
# command, CD into it.
shopt -s autocd

# Enables colored Man pages:
man() {
    env LESS_TERMCAP_mb=$'\E[01;31m' \
    LESS_TERMCAP_md=$'\E[01;38;5;74m' \
    LESS_TERMCAP_me=$'\E[0m' \
    LESS_TERMCAP_se=$'\E[0m' \
    LESS_TERMCAP_so=$'\E[38;5;246m' \
    LESS_TERMCAP_ue=$'\E[0m' \
    LESS_TERMCAP_us=$'\E[04;38;5;146m' \
    man "$@"
}

# Do the same for awman
awman() {
    env LESS_TERMCAP_mb=$'\E[01;31m' \
    LESS_TERMCAP_md=$'\E[01;38;5;74m' \
    LESS_TERMCAP_me=$'\E[0m' \
    LESS_TERMCAP_se=$'\E[0m' \
    LESS_TERMCAP_so=$'\E[38;5;246m' \
    LESS_TERMCAP_ue=$'\E[0m' \
    LESS_TERMCAP_us=$'\E[04;38;5;146m' \
    awman "$@"
}


### PROMPT ###

# [hh:mm][username@hostname pwd]$
if [ -n "$SSH_CLIENT" ]; then
# Remotely, hostname is red.
	PS1="\[\033[38;5;4m\][\A]\[$(tput sgr0)\]\[\033[38;5;6m\][\[$(tput bold)\]\[$(tput sgr0)\]\[\033[38;5;14m\]\u\[$(tput sgr0)\]\[$(tput sgr0)\]\[\033[38;5;6m\]@\[$(tput bold)\]\[$(tput sgr0)\]\[\033[38;5;1m\]\h\[$(tput sgr0)\]\[$(tput sgr0)\]\[\033[38;5;6m\] \W]\[$(tput sgr0)\]\[\033[38;5;7m\]\\$ \[$(tput sgr0)\]"
elif [ -n "$VCSH_REPO_NAME" ]; then
# If in a vcsh repo env, add repo name in magenta.
	PS1="\[\033[38;5;12m\][\[$(tput sgr0)\]\[\033[38;5;4m\]\A\[$(tput sgr0)\]\[\033[38;5;12m\]]\[$(tput sgr0)\]\[\033[38;5;6m\][\[$(tput sgr0)\]\[\033[38;5;14m\]\u\[$(tput sgr0)\]\[\033[38;5;6m\]@\h \[$(tput sgr0)\]\[\033[38;5;13m\]$VCSH_REPO_NAME\[$(tput sgr0)\]\[\033[38;5;6m\] \W]\[$(tput sgr0)\]\[\033[38;5;15m\]\\$ \[$(tput sgr0)\]"
else
# Locally, hostname is cyan.
	PS1="\[\033[38;5;4m\][\A]\[$(tput sgr0)\]\[\033[38;5;6m\][\[$(tput bold)\]\[$(tput sgr0)\]\[\033[38;5;14m\]\u\[$(tput sgr0)\]\[$(tput sgr0)\]\[\033[38;5;6m\]@\h \W]\[$(tput sgr0)\]\[\033[38;5;7m\]\\$ \[$(tput sgr0)\]"
fi


### ALIASES ###

# Colorize all `ls` output:
alias ls='ls -AF --color=auto'
# Map "la" to `ls -la`
alias la='ls -laFh --color=auto'

# Colorize `grep` output 
alias grep='grep --color=auto'

# Change layout of lsblk to include FSTYPE and remove MAJ:MIN, RM, and RO collumns.
alias lsblk='lsblk -o NAME,FSTYPE,SIZE,TYPE,MOUNTPOINT'

# Always use sudo when using nmap.
alias nmap='sudo -E nmap'

# I'm tired of managing weechat configs and multiple nicks
# Reference: https://wiki.thurstylark.com/Weechat.html

# If you don't have weechat installed, connect to the existing tmux session through mosh
[[ ! -s /usr/bin/weechat ]] && alias weechat='mosh vps -- tmux attach -dt weechat'
# If you are thurstylark-vps, connect to the existing tmux session locally
[[ "$HOSTNAME" = "thurstylark-vps" ]] && alias weechat='tmux attach -dt weechat'

chterm() { # Command wrapper to temporarily switch to screen-256color terminfo and back.
	   # This is unfortunately necessary because Debian has literally no package
	   # that provides tmux-256color terminfo, and I have to ssh into debian boxes 
	   # all damn day.
	local oldterm=$TERM
	export TERM=screen-256color
	tput init
	printf "Terminfo is now '%s'\n" "$TERM"
	$@
	export TERM=$oldterm
	tput init
	printf "Terminfo is now '%s'\n" "$TERM"
}