.bash_custom

# -*- mode: sh; -*-

# TODO: git custom
# TODO: max promt size /home/foo/.../bar/bax
# TODO: look into cool PS1 alternatives
# TODO: eix colors https://projects.gentooexperimental.org/eix/wiki/FAQ
# TODO: PIPESTATUS http://www.jonno.org/drupal/node/4

# https://blogs.gentoo.org/mgorny/2011/10/18/027-umask-a-compromise-between-security-and-simplicity/

# -rw-r-----
umask 027

# Include local ~/bin in PATH, and local python bin
PATH=~/bin/:~/.local/bin:$PATH
PATH=~/.cargo/bin:$PATH

# Enable history appending instead of overwriting.  #139609
shopt -s histappend

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

# ** pattern
shopt -s globstar

# Make sure this is sourced
export INPUTRC='~/.inputrc'

# Switch to be likes emacs
bind '\C-w:backward-kill-word'
bind 'Meta-Rubout: unix-word-rubout'

export EDITOR='emacs -nw'
export SVN_EDITOR=$EDITOR
export GIT_EDITOR=$EDITOR

export HISTCONTROL=ignoreboth
export HISTSIZE=32768
export HISTFILESIZE=32768
export HISTTIMEFORMAT='%Y-%m-%d_%H:%M:%S '
export PROMPT_COMMAND="history -a; $PROMPT_COMMAND"

export PAGER='less'
export LESS="-R -M --shift 5"
unset LESSOPEN

# aliases
alias ll='ls -lh'
alias mkdir='mkdir -p'
alias du='du -h'
alias py='python'
alias ipy='ipython --profile csb'
alias e='emacs'
alias ec='emacsclient -t --alternate-editor=""'
alias nano='nano -w'
alias grep='grep --color '
alias fgrep='fgrep --color'
alias egrep='egrep --color'
alias epoch='date +%s'
# from: https://unix.stackexchange.com/questions/32182/simple-command-line-http-server
alias webshare='python3 -m http.server'

# made up commands
mkcd() {
    mkdir $1 && cd $1
}

# cd directly to a dir and list contents
cdls() {
    if [ "$1" ]
    then builtin cd "$1" && ll
    else builtin cd && ll
    fi
}

if [[ -f /etc/gentoo-release ]] ; then
    explainuseflag() {
        sed -ne "s,^\([^ ]*:\)\?$1 - ,,p" \
            /usr/portage/profiles/use.desc \
            /usr/portage/profiles/use.local.desc
    }
fi

# http://www.shell-fu.org/lister.php?id=375
function extract() {
    ee() { # echo and execute
        echo "$@"
        $1 "$2"
    }
    for x in "$@"; do
        [[ -f $x ]] || continue
        case "$x" in
            *.tar.bz2 | *.tbz2 )    ee "tar xvjf" "$x"    ;;
            *.tar.gz | *.tgz ) ee "tar xvzf" "$x"    ;;
            *.bz2 )                ee "bunzip2" "$x"    ;;
            *.rar )                ee "unrar x" "$x"   ;;
            *.gz )                ee "gunzip" "$x"    ;;
            *.tar )                ee "tar xvf" "$x"   ;;
            *.zip | *.jar )                ee "unzip" "$x"     ;;
            *.Z )                ee "uncompress" "$x" ;;
            *.7z )                ee "7z x" "$x"      ;;
        esac
    done
}


# .. - Does a 'cd ..'
# .. 3 - Does a 'cd ../../..'
# http://www.shell-fu.org/lister.php?id=550
function .. (){
    local arg=${1:-1};
    while [ $arg -gt 0 ]; do
        cd .. >&/dev/null;
        arg=$(($arg - 1));
    done
}

# other
bind "set completion-ignore-case on" 

# does not seem to work
function common { history | awk '{print $9}' | awk 'BEGIN {FS="|"}{print $1}' | sort | uniq -c | sort -n | tail -n 20 | sort -nr ;}


# git stuff
source ~/.config/git-prompt.sh

export TWO_LINE_PROMT=0
export PROMPT_COMMAND=__prompt_command
function __prompt_command() {
	local EXIT="$?"
	PS1=""
    # heuristics for switching to two line promt
    MAX_PATH_LEN=$(($COLUMNS / 2))
    if [[ $MAX_PATH_LEN -gt 120 ]]; then
        MAX_PATH_LEN=120
    fi

    local NoColor='\[\e[0m\]'
    local BlueBold='\[\e[1;34m\]';
    local GreenBold='\[\e[1;32m\]';
    local RedBold='\[\e[1;31m\]';
    local YellowLight='\[\e[0;93m\]';

    local USER_AT_DIR="${GreenBold}\u@\h ${BlueBold}\w${NoColor}"
    local GIT_PROMT='$(__git_ps1 " (%s)")'
    local SUFFIX="${BlueBold} \$${NoColor} "

    # https://unix.stackexchange.com/questions/570419/python-venv-module-cannot-add-virtual-environment-name-to-ps1-when-using-prompt
    local VENV=""
    if [ -n "${VIRTUAL_ENV}" ] && [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ]; then
         VENV="(`basename \"$VIRTUAL_ENV\"`) "
    fi

    if [[ $EXIT -gt 0 ]]; then
        # Tried (Explosion U+1F4A5  💥) but it makes things wonky
        PS1+="${RedBold}${EXIT}${NoColor} "
    fi
    if [[ $(command jobs 2>/dev/null) ]]; then
        PS1+="${YellowLight}[\j] "
    fi
    PS1+="${NoColor}${VENV}"
    PS1+=${USER_AT_DIR}
    PS1+="${BlueBold}$GIT_PROMT${NoColor}"
    if [[ $TWO_LINE_PROMT -gt 0 ]] || [[ ${#PWD} -gt $MAX_PATH_LEN ]]; then
        PS1+="\n"
    fi
    PS1+=$SUFFIX
}

# http://linuxtidbits.wordpress.com/2009/03/23/less-colors-for-man-pages/
# Less Colors for Man Pages
export LESS_TERMCAP_mb=$'\E[01;31m'       # begin blinking
export LESS_TERMCAP_md=$'\E[01;38;5;74m'  # begin bold
export LESS_TERMCAP_me=$'\E[0m'           # end mode
export LESS_TERMCAP_se=$'\E[0m'           # end standout-mode
export LESS_TERMCAP_so=$'\E[38;5;246m'    # begin standout-mode - info box
export LESS_TERMCAP_ue=$'\E[0m'           # end underline
export LESS_TERMCAP_us=$'\E[04;38;5;146m' # begin underline


### http://durdn.com/blog/2012/11/22/must-have-git-aliases-advanced-examples/


# ~sigh~
# better to add to /etc/profile.d/fix-scrollbars.sh
export GTK_OVERLAY_SCROLLING=0

# https://debbugs.gnu.org/cgi/bugreport.cgi?bug=15154#11
export NO_AT_BRIDGE=1