BaseConfig

bash.bashrc

# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

# If not running interactively, don't do anything
case $- in
    *i*) ;;
      *) return;;
esac

# ── HISTORY CONTROL ────────────────────────────────────────────────────────────────────
export HISTFILE=~/.bash_history
export HISTSIZE=100000
export HISTFILESIZE=200000
export HISTTIMEFORMAT="%F %T "   # optional: timestamp each history entry
export HISTCONTROL=ignoredups     # skip consecutive duplicate entries
export HISTIGNORE="ls:ll:cd:pwd:clear:history:exit"
shopt -s histappend # append to the history file, don't overwrite it
PROMPT_COMMAND="history -a; history -c; history -r; $PROMPT_COMMAND"

# ── shopt ────────────────────────────────────────────────────────────────────

shopt -s autocd        # type a directory name to cd into it automatically
shopt -s cdspell       # correct minor typos in cd (Documents → Docuents)
shopt -s dirspell      # same correction during tab-completion
shopt -s nocaseglob    # case-insensitive glob (*.JPG == *.jpg)

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

# If set, the pattern "**" used in a pathname expansion context will
# match all files and zero or more directories and subdirectories.
shopt -s globstar


# ── readline / bind ──────────────────────────────────────────────────────────────
bind 'set completion-ignore-case on'   # case-insensitive Tab
bind 'set show-all-if-ambiguous on'    # show completions on first Tab instead of double Tab
bind 'set mark-symlinked-directories on'

# ── env vars  ──────────────────────────────────────────────────────────────────────
export EDITOR=nano               # default editor
export VISUAL=nano
export LESS='-RFX'              # colors, don't clear screen if output fits, skip pager for short output
export MANPAGER='less -R'       # colored man pages
export PAGER=less

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


# ── PATH ──────────────────────────────────────────────────────────────────────
[[ -d "$HOME/.local/bin" ]] && export PATH="$HOME/.local/bin:$PATH"
[[ -d "$HOME/bin" ]]        && export PATH="$HOME/bin:$PATH"


# ── Aliases ──────────────────────────────────────────────────────────────────────

# enable color support of ls and also add handy aliases
if [[ -x /usr/bin/dircolors ]]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    #alias dir='dir --color=auto'
    #alias vdir='vdir --color=auto'

    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

# colored GCC warnings and errors
#export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'


alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'

alias ..='cd ..'
alias ...='cd ../..'
alias ....='cd ../../..'

# some more ls aliases
alias ll='ls -alF'
alias la='ls -A'
alias l='ls -CF'

# Add an "alert" alias for long running commands.  Use like so:
#   sleep 10; alert
alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'

# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.

if [[ -f ~/.bash_aliases ]]; then
    . ~/.bash_aliases
fi

# ── Functions ──────────────────────────────────────────────────────────────────────
mkcd() { mkdir -p "$1" && cd "$1"; }

dusort() {
  du -sh "${1:-.}"/* 2>/dev/null | sort -rh | head -"${2:-20}"
}

bigfiles() {
  local dir="${1:-/volume1}" size="${2:-100M}"
  find "$dir" -type f -size +"$size" -exec ls -lh {} \; 2>/dev/null \
    | sort -k5 -rh | head -20
}

docker-clean-dangling() {
  docker images -f "dangling=true" -q | xargs -r docker rmi
}

# ── PS1 / PROMPT ──────────────────────────────────────────────────────────────────

# set variable identifying the chroot you work in (used in the prompt below)
if [[ -z "${debian_chroot:-}" ]] && [[ -r /etc/debian_chroot ]]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi

# detect color support
case "$TERM" in
    xterm-color|*-256color) color_prompt=yes;;
esac

# git status for PS1
_git_prompt() {
    local git_status branch color reset=$'\e[0m' mark
    git_status=$(git status --porcelain --branch 2>/dev/null) || return
    branch=$(awk 'NR==1{sub(/^## /,""); sub(/\.\.\..*$/,""); print}' <<< "$git_status")
    if [[ -n "$(grep -v '^#' <<< "$git_status")" ]]; then
        color=$'\e[0;31m'
        mark="✗"
    else
        color=$'\e[0;32m'
        mark="✓"
    fi
    if [[ "$1" == "color" ]]; then
        echo -n "$branch ${color}${mark}${reset} "
    else
        echo -n "$branch ${mark} "
    fi
}

git_color_prompt() { _git_prompt color; }
git_prompt()       { _git_prompt; }

_build_ps1() {
    local ret=$? r=$'\033[0m' grn=$'\033[0;32m' cyn=$'\033[0;36m' red=$'\033[0;31m' yel=$'\033[0;33m'
    local chroot="${debian_chroot:+($debian_chroot)}"
    local exit_color
    [[ $ret -eq 0 ]] && exit_color="$grn" || exit_color="$red"

    local _jobs bg_str=''
    mapfile -t _jobs < <(jobs -p)
    [[ ${#_jobs[@]} -gt 0 ]] && bg_str="bg:${#_jobs[@]} "

    local git_str title=''
    case "$TERM" in
        xterm*|rxvt*) title="\[\e]0;${chroot}\u@\H: \w\a\]" ;;
    esac

    if [[ "$color_prompt" = yes ]]; then
        git_str=$(git_color_prompt)
        PS1="${title}${chroot}\[\033[01;32m\]\D{%Y-%m-%d} \t ${bg_str}${git_str}\u@\H\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\] \[${exit_color}\][${ret}]\[${r}\]\n\$ "
    else
        git_str=$(git_prompt)
        PS1="${title}${chroot}\D{%Y-%m-%d} \t ${bg_str}${git_str}\u@\H:\w [${ret}]\n\$ "
    fi
}
PROMPT_COMMAND="_build_ps1; $PROMPT_COMMAND"
unset force_color_prompt

# ── Completion ──────────────────────────────────────────────────────────────────
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