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205
.bashrc
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205
.bashrc
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# ~/.bashrc: executed by bash(1) for non-login shells.
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# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
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# If not running interactively, don't do anything
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case $- in
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*i*) ;;
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*) return;;
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esac
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# Source bash aliases if available
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if [ -f ~/.bash_aliases ]; then
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. ~/.bash_aliases
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fi
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# History configuration
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HISTCONTROL=ignoreboth:erasedups # ignore duplicates and remove duplicates from history
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HISTSIZE=10000 # increased from 1000
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HISTFILESIZE=20000 # increased from 2000
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HISTTIMEFORMAT="%F %T " # add timestamps to history
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shopt -s histappend # append to history file, don't overwrite
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shopt -s histverify # verify history expansions before executing
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# Shell options
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shopt -s checkwinsize # update LINES and COLUMNS after each command
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shopt -s cdspell # correct minor spelling errors in cd commands
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shopt -s dirspell # correct minor spelling errors in directory names
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shopt -s autocd # cd into directories by just typing the name
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# Make less more friendly for non-text input files
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[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"
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# Set variable identifying the chroot (used in the prompt below)
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if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
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debian_chroot=$(cat /etc/debian_chroot)
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fi
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# Function to get git branch and status
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git_prompt_info() {
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local branch
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if branch=$(git symbolic-ref --short HEAD 2>/dev/null); then
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local status=""
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local git_status=$(git status --porcelain 2>/dev/null)
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# Check for various git states
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if [ -n "$git_status" ]; then
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if echo "$git_status" | grep -q "^M"; then
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status="${status}*" # modified files
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fi
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if echo "$git_status" | grep -q "^A"; then
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status="${status}+" # added files
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fi
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if echo "$git_status" | grep -q "^D"; then
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status="${status}-" # deleted files
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fi
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if echo "$git_status" | grep -q "^??"; then
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status="${status}?" # untracked files
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fi
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fi
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# Check if we're ahead/behind remote
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local ahead_behind
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ahead_behind=$(git rev-list --count --left-right @{upstream}...HEAD 2>/dev/null)
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if [ $? -eq 0 ]; then
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local behind=$(echo "$ahead_behind" | cut -f1)
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local ahead=$(echo "$ahead_behind" | cut -f2)
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if [ "$ahead" -gt 0 ] && [ "$behind" -gt 0 ]; then
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status="${status}⇅"
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elif [ "$ahead" -gt 0 ]; then
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status="${status}↑"
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elif [ "$behind" -gt 0 ]; then
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status="${status}↓"
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fi
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fi
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printf " \001\033[93m\002(%s\001\033[91m\002%s\001\033[93m\002)\001\033[00m\002" "$branch" "$status"
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fi
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}
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# Set colored prompt based on terminal capability
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case "$TERM" in
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xterm-color|*-256color) color_prompt=yes;;
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esac
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force_color_prompt=yes
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if [ -n "$force_color_prompt" ]; then
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if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
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color_prompt=yes
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else
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color_prompt=
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fi
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fi
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# Configure prompt with git integration
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if [ "$color_prompt" = yes ]; then
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PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]$(git_prompt_info)\$ '
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else
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PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w$(git_prompt_info)\$ '
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fi
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unset color_prompt force_color_prompt
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# Set terminal title for xterm-compatible terminals
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case "$TERM" in
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xterm*|rxvt*)
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PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
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;;
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*)
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;;
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esac
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# Enable colored output for common commands
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if [ -x /usr/bin/dircolors ]; then
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test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
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alias ls='ls --color=auto'
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alias grep='grep --color=auto'
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alias fgrep='fgrep --color=auto'
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alias egrep='egrep --color=auto'
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fi
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# Colored GCC warnings and errors
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export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'
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# GPG TTY configuration for proper GPG agent functionality
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export GPG_TTY=$(tty)
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# Enable programmable completion features
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if ! shopt -oq posix; then
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if [ -f /usr/share/bash-completion/bash_completion ]; then
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. /usr/share/bash-completion/bash_completion
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elif [ -f /etc/bash_completion ]; then
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. /etc/bash_completion
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fi
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fi
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# Common useful aliases (add more to ~/.bash_aliases for user-specific ones)
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alias ll='ls -alF'
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alias la='ls -A'
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alias l='ls -CF'
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alias ..='cd ..'
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alias ...='cd ../..'
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alias ....='cd ../../..'
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alias grep='grep --color=auto'
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alias mkdir='mkdir -pv'
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alias h='history'
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alias c='clear'
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alias df='df -h'
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alias du='du -h'
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alias free='free -h'
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alias ps='ps auxf'
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alias less='less -R'
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# Safety aliases
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alias rm='rm -i'
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alias cp='cp -i'
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alias mv='mv -i'
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# Development shortcuts
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alias g='git'
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alias gs='git status'
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alias ga='git add'
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alias gc='git commit'
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alias gp='git push'
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alias gl='git log --oneline --graph --decorate'
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alias gd='git diff'
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# Extract function for various archive types
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extract() {
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if [ -f "$1" ]; then
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case $1 in
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*.tar.bz2) tar xjf "$1" ;;
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*.tar.gz) tar xzf "$1" ;;
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*.bz2) bunzip2 "$1" ;;
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*.rar) unar "$1" ;;
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*.gz) gunzip "$1" ;;
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*.tar) tar xf "$1" ;;
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*.tbz2) tar xjf "$1" ;;
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*.tgz) tar xzf "$1" ;;
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*.zip) unzip "$1" ;;
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*.Z) uncompress "$1" ;;
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*.7z) 7z x "$1" ;;
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*) echo "'$1' cannot be extracted via extract()" ;;
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esac
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else
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echo "'$1' is not a valid file"
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fi
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}
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# Create directory and cd into it
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mkcd() {
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mkdir -p "$1" && cd "$1"
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}
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# Find and kill process by name
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psgrep() {
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ps aux | grep -v grep | grep "$@" -i --color=auto
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}
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# Quick backup function
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backup() {
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cp "$1"{,.bak}
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}
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# Show PATH in readable format
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path() {
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echo $PATH | tr ':' '\n'
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}
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