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

# Modern, colorful, Git-aware configuration

# Author: Waldemar Szemat <waldemar@szemat.pro>

# If not running interactively, don't do anything

case $- in

*i*) ;;

*) return;;

esac

# ============================================================================

# HISTORY CONFIGURATION

# ============================================================================

# don't put duplicate lines or lines starting with space in the history.

# See bash(1) for more options

HISTCONTROL=ignoreboth

# append to the history file, don't overwrite it

shopt -s histappend

# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)

HISTSIZE=10000

HISTFILESIZE=20000

# 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

# make less more friendly for non-text input files, see lesspipe(1)

[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"

# 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

# ============================================================================

# COLOR DETECTION

# ============================================================================

# set a fancy prompt (non-color, unless we know we "want" color)

case "$TERM" in

xterm-color|*-256color) color_prompt=yes;;

esac

# uncomment for a colored prompt, if the terminal has the capability; turned

# off by default to not distract the user: the focus in a terminal window

# should be on the output of commands, not on the prompt

#force_color_prompt=yes

if [ -n "$force_color_prompt" ]; then

if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then

# We have color support; assume it's compliant with Ecma-48

# (ISO/IEC-6429). (Lack of such support is extremely rare, and such

# a case would tend to support setf rather than setaf.)

color_prompt=yes

else

color_prompt=

fi

fi

# ============================================================================

# COLOR DEFINITIONS

# ============================================================================

# Modern color palette with 256-color support

if [ "$color_prompt" = yes ] || ([ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null); then

# We have color support

color_prompt=yes

# Basic colors

RESET='\[\033[0m\]'

BOLD='\[\033[1m\]'

# Standard colors

BLACK='\[\033[0;30m\]'

RED='\[\033[0;31m\]'

GREEN='\[\033[0;32m\]'

YELLOW='\[\033[0;33m\]'

BLUE='\[\033[0;34m\]'

MAGENTA='\[\033[0;35m\]'

CYAN='\[\033[0;36m\]'

WHITE='\[\033[0;37m\]'

# Bright colors

BRIGHT_BLACK='\[\033[0;90m\]'

BRIGHT_RED='\[\033[0;91m\]'

BRIGHT_GREEN='\[\033[0;92m\]'

BRIGHT_YELLOW='\[\033[0;93m\]'

BRIGHT_BLUE='\[\033[0;94m\]'

BRIGHT_MAGENTA='\[\033[0;95m\]'

BRIGHT_CYAN='\[\033[0;96m\]'

BRIGHT_WHITE='\[\033[0;97m\]'

# Modern color scheme

PROMPT_USER="${BRIGHT_CYAN}"

PROMPT_HOST="${BRIGHT_YELLOW}"

PROMPT_PATH="${BRIGHT_BLUE}"

PROMPT_GIT_BRANCH="${BRIGHT_GREEN}"

PROMPT_GIT_DIRTY="${BRIGHT_RED}"

PROMPT_GIT_CLEAN="${BRIGHT_GREEN}"

PROMPT_GIT_AHEAD="${BRIGHT_YELLOW}"

PROMPT_GIT_BEHIND="${BRIGHT_MAGENTA}"

PROMPT_GIT_COMMIT="${BRIGHT_CYAN}"

PROMPT_GIT_MESSAGE="${BRIGHT_WHITE}"

PROMPT_MESSAGE_BOX="${BRIGHT_BLACK}"

PROMPT_SUCCESS="${BRIGHT_GREEN}"

PROMPT_ERROR="${BRIGHT_RED}"

PROMPT_SYMBOL="${BRIGHT_WHITE}"

else

color_prompt=

RESET=''

PROMPT_USER=''

PROMPT_HOST=''

PROMPT_PATH=''

PROMPT_GIT_BRANCH=''

PROMPT_GIT_DIRTY=''

PROMPT_GIT_CLEAN=''

PROMPT_GIT_AHEAD=''

PROMPT_GIT_BEHIND=''

PROMPT_GIT_COMMIT=''

PROMPT_GIT_MESSAGE=''

PROMPT_MESSAGE_BOX=''

PROMPT_SUCCESS=''

PROMPT_ERROR=''

PROMPT_SYMBOL=''

fi

# ============================================================================

# GIT FUNCTIONS FOR PROMPT

# ============================================================================

# Get current git branch name

parse_git_branch() {

git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'

}

# Get git status information

parse_git_status() {

local git_status="$(git status --porcelain 2> /dev/null)"

local git_branch="$(parse_git_branch)"

if [ -z "$git_branch" ]; then

return

fi

local status=""

local ahead_behind=""

# Check if working directory is dirty

if [ -n "$git_status" ]; then

status="${PROMPT_GIT_DIRTY}*${RESET}"

else

status="${PROMPT_GIT_CLEAN}OK${RESET}"

fi

# Check if branch is ahead/behind remote

local remote_info="$(git rev-list --left-right --count @{upstream}...HEAD 2>/dev/null)"

if [ -n "$remote_info" ]; then

local ahead=$(echo $remote_info | awk '{print $2}')

local behind=$(echo $remote_info | awk '{print $1}')

if [ "$ahead" -gt 0 ] && [ "$behind" -gt 0 ]; then

ahead_behind="${PROMPT_GIT_AHEAD}^${ahead}${RESET} ${PROMPT_GIT_BEHIND}v${behind}${RESET}"

elif [ "$ahead" -gt 0 ]; then

ahead_behind="${PROMPT_GIT_AHEAD}^${ahead}${RESET}"

elif [ "$behind" -gt 0 ]; then

ahead_behind="${PROMPT_GIT_BEHIND}v${behind}${RESET}"

fi

fi

# Get short commit hash (first 7 characters)

local commit_hash="$(git rev-parse --short HEAD 2>/dev/null)"

# Format: [branch:commit] status [ahead/behind]

echo -n "${PROMPT_GIT_BRANCH}[${git_branch}"

if [ -n "$commit_hash" ]; then

echo -n ":${PROMPT_GIT_COMMIT}${commit_hash}${RESET}"

fi

echo -n "${PROMPT_GIT_BRANCH}]${RESET}"

# Add status and ahead/behind

echo -n " ${status}"

if [ -n "$ahead_behind" ]; then

echo -n " ${ahead_behind}"

fi

}

# Get commit message for display on separate line

get_git_commit_message() {

local commit_hash="$(git rev-parse --short HEAD 2>/dev/null)"

if [ -z "$commit_hash" ]; then

return

fi

# Get commit message (first line only)

local commit_message="$(git log -1 --pretty=format:'%s' 2>/dev/null)"

if [ -n "$commit_message" ]; then

echo "$commit_message"

fi

}

# ============================================================================

# MODERN PROMPT

# ============================================================================

# Build the prompt with exit code indicator

__prompt_command() {

local exit_code=$?

# Start building prompt

PS1=""

# Get git commit message if in a git repo

local git_message="$(get_git_commit_message)"

# If we have a commit message, display it on its own decorated line

if [ -n "$git_message" ]; then

# Calculate terminal width (default to 80 if not available)

local term_width=${COLUMNS:-80}

# Create a decorative box around the commit message (using ASCII characters)

# Top border

PS1+="${PROMPT_MESSAGE_BOX}+-${RESET}"

PS1+="${PROMPT_GIT_COMMIT} Commit${RESET}"

PS1+="${PROMPT_MESSAGE_BOX}${RESET}"

# Fill remaining width with dashes

local used_width=9 # "+- Commit" = 9 chars

local remaining=$((term_width - used_width - 1))

if [ $remaining -gt 0 ]; then

PS1+="$(printf '%*s' $remaining '' | tr ' ' '-')"

fi

PS1+="${PROMPT_MESSAGE_BOX}+${RESET}\n"

# Commit message line with side borders

PS1+="${PROMPT_MESSAGE_BOX}|${RESET} "

PS1+="${PROMPT_GIT_MESSAGE}${git_message}${RESET}"

# Fill remaining width with spaces

local msg_length=${#git_message}

local used_width=$((msg_length + 3)) # "| " + message + " "

local remaining=$((term_width - used_width - 1))

if [ $remaining -gt 0 ]; then

PS1+="$(printf '%*s' $remaining '')"

fi

PS1+=" ${PROMPT_MESSAGE_BOX}|${RESET}\n"

# Bottom border

PS1+="${PROMPT_MESSAGE_BOX}+${RESET}"

PS1+="$(printf '%*s' $((term_width - 1)) '' | tr ' ' '-')"

PS1+="${PROMPT_MESSAGE_BOX}+${RESET}\n"

fi

# Debian chroot indicator

if [ -n "${debian_chroot:-}" ]; then

PS1+="${BRIGHT_BLACK}(${debian_chroot})${RESET} "

fi

# User@Host

PS1+="${PROMPT_USER}\u${RESET}@${PROMPT_HOST}\h${RESET}"

# Current directory

PS1+=":${PROMPT_PATH}\w${RESET}"

# Git information

local git_info="$(parse_git_status)"

if [ -n "$git_info" ]; then

PS1+=" ${git_info}"

fi

# Exit code indicator (only show if command failed)

if [ $exit_code -ne 0 ]; then

PS1+=" ${PROMPT_ERROR}[X ${exit_code}]${RESET}"

fi

# Prompt symbol with color based on exit code

if [ $exit_code -eq 0 ]; then

PS1+="\n${PROMPT_SUCCESS}>${RESET} "

else

PS1+="\n${PROMPT_ERROR}>${RESET} "

fi

}

# Set prompt command

PROMPT_COMMAND=__prompt_command

# If this is an xterm set the title to user@host:dir

case "$TERM" in

xterm*|rxvt*|screen*|tmux*)

PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"

;;

*)

;;

esac

# ============================================================================

# COLOR SUPPORT FOR COMMANDS

# ============================================================================

# 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'

# ============================================================================

# ALIASES

# ============================================================================

# 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$//'\'')"'

# Git aliases for convenience

alias gs='git status'

alias ga='git add'

alias gc='git commit'

alias gp='git push'

alias gl='git log --oneline --graph --decorate --all'

alias gd='git diff'

alias gb='git branch'

alias gco='git checkout'

alias gst='git stash'

alias gsp='git stash pop'

# ============================================================================

# BASH COMPLETION

# ============================================================================

# 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

# enable programmable completion features (you don't need to enable

# this, if it's already enabled in /etc/bash.bashrc and /etc/profile

# sources /etc/bash.bashrc).

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

# ============================================================================

# PATH CONFIGURATION (edit as needed)

# ============================================================================

export PATH=~/.npm-global/bin:$PATH

# ============================================================================

# CLEANUP

# ============================================================================

unset color_prompt force_color_prompt