# Archlinux Ultimate Install - .bashrc
# by helmuthdu
## OVERALL CONDITIONALS {{{
_islinux=false
[[ "$(uname -s)" =~ Linux|GNU|GNU/* ]] && _islinux=true

_isarch=false
[[ -f /etc/arch-release ]] && _isarch=true

_isxrunning=false
[[ -n "$DISPLAY" ]] && _isxrunning=true

_isroot=false
[[ $UID -eq 0 ]] && _isroot=true
# }}}
## PS1 CONFIG {{{
  [[ -f $HOME/.dircolors ]] && eval $(dircolors -b $HOME/.dircolors)
  if $_isxrunning; then

    [[ -f $HOME/.dircolors_256 ]] && eval $(dircolors -b $HOME/.dircolors_256)

    export TERM='xterm-256color'

     B='\[\e[1;38;5;33m\]'
    LB='\[\e[1;38;5;81m\]'
    GY='\[\e[1;38;5;242m\]'
     G='\[\e[1;38;5;82m\]'
     P='\[\e[1;38;5;161m\]'
    PP='\[\e[1;38;5;93m\]'
     R='\[\e[1;38;5;196m\]'
     Y='\[\e[1;38;5;214m\]'
     W='\[\e[0m\]'

    get_prompt_symbol() {
      [[ $UID == 0 ]] && echo "#" || echo "\$"
    }

    if [[ $PS1 && -f /usr/share/git/git-prompt.sh ]]; then
      source /usr/share/git/completion/git-completion.bash
      source /usr/share/git/git-prompt.sh

      export GIT_PS1_SHOWDIRTYSTATE=1
      export GIT_PS1_SHOWSTASHSTATE=1
      export GIT_PS1_SHOWUNTRACKEDFILES=0

      export PS1="$GY[$Y\u$GY@$P\h$GY:$B\W\$(__git_ps1 \"$GY|$LB%s\")$GY]$W\$(get_prompt_symbol) "
    else
      export PS1="$GY[$Y\u$GY@$P\h$GY:$B\W$GY]$W\$(get_prompt_symbol) "
    fi
  else
    export TERM='xterm-color'
  fi
#}}}
## BASH OPTIONS {{{
  shopt -s cdspell                 # Correct cd typos
  shopt -s checkwinsize            # Update windows size on command
  shopt -s histappend              # Append History instead of overwriting file
  shopt -s cmdhist                 # Bash attempts to save all lines of a multiple-line command in the same history entry
  shopt -s extglob                 # Extended pattern
  shopt -s no_empty_cmd_completion # No empty completion
  ## COMPLETION #{{{
    complete -cf sudo
    if [[ -f /etc/bash_completion ]]; then
      . /etc/bash_completion
    fi
  #}}}
#}}}
## EXPORTS {{{
  export PATH=/usr/local/bin:$PATH
  #Ruby support
  if which ruby &>/dev/null; then
    GEM_DIR=$(ruby -rubygems -e 'puts Gem.user_dir')/bin
    if [[ -d "$GEM_DIR" ]]; then
      export PATH=$GEM_DIR:$PATH
    fi
  fi
  if [[ -d "$HOME/bin" ]] ; then
      PATH="$HOME/bin:$PATH"
  fi
  if which chromium &>/dev/null; then
    export CHROME_BIN=/usr/bin/chromium
  fi
  ## EDITOR #{{{
    if which vim &>/dev/null; then
      export EDITOR="vim"
    elif which emacs &>/dev/null; then
      export EDITOR="emacs -nw"
    else
      export EDITOR="nano"
    fi
  #}}}
  ## BASH HISTORY #{{{
    # make multiple shells share the same history file
    export HISTSIZE=1000            # bash history will save N commands
    export HISTFILESIZE=${HISTSIZE} # bash will remember N commands
    export HISTCONTROL=ignoreboth   # ingore duplicates and spaces
    export HISTIGNORE='&:ls:ll:la:cd:exit:clear:history'
  #}}}
  ## COLORED MANUAL PAGES #{{{
    # @see http://www.tuxarena.com/?p=508
    # For colourful man pages (CLUG-Wiki style)
    if $_isxrunning; then
      export PAGER=less
      export LESS_TERMCAP_mb=$'\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
    fi
  #}}}
#}}}
## ALIAS {{{
  alias freemem='sudo /sbin/sysctl -w vm.drop_caches=3'
  alias enter_matrix='echo -e "\e[32m"; while :; do for i in {1..16}; do r="$(($RANDOM % 2))"; if [[ $(($RANDOM % 5)) == 1 ]]; then if [[ $(($RANDOM % 4)) == 1 ]]; then v+="\e[1m $r   "; else v+="\e[2m $r   "; fi; else v+="     "; fi; done; echo -e "$v"; v=""; done'
  # GIT_OR_HUB {{{
    if which hub &>/dev/null; then
      alias git=hub
    fi
  #}}}
  # AUTOCOLOR {{{
    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'
  #}}}
  # MODIFIED COMMANDS {{{
    alias ..='cd ..'
    alias df='df -h'
    alias diff='colordiff'              # requires colordiff package
    alias du='du -c -h'
    alias free='free -m'                # show sizes in MB
    alias grep='grep --color=auto'
    alias grep='grep --color=tty -d skip'
    alias mkdir='mkdir -p -v'
    alias more='less'
    alias nano='sudo nano -w'
    alias ping='ping -c 5'
  #}}}
  # PRIVILEGED ACCESS {{{
    if ! $_isroot; then
      alias sudo='sudo '
      alias scat='sudo cat'
      alias svim='sudo vim'
      alias root='sudo su'
      alias reboot='sudo reboot'
      alias halt='sudo halt'
    fi
  #}}}
  # PACMAN ALIASES {{{
    # we're on ARCH
    if $_isarch; then
      # we're not root
      if ! $_isroot; then
        alias pacman='sudo pacman'
      fi
      alias pacorp='pacman -Rs $(pacman -Qtdq --color never)' # Remove orphans easily
      alias clean-house='pacman -Scc && pacman -Qnq | pacman -S -' #Clean all package cache and reinstall all packages
      fi
  #}}}
  # MULTIMEDIA {{{
    if which get_flash_videos &>/dev/null; then
      alias gfv='get_flash_videos -r 720p --subtitles'
    fi
  #}}}
  # LS {{{
    alias ls='ls -hF --color=auto'
    alias lr='ls -R'                    # recursive ls
    alias ll='ls -alh'
    alias la='ll -A'
    alias lm='la | less'
  #}}}
#}}}
  #}}}
  # UP {{{
    # Goes up many dirs as the number passed as argument, if none goes up by 1 by default
    up() {
      local d=""
      limit=$1
      for ((i=1 ; i <= limit ; i++)); do
        d=$d/..
      done
      d=$(echo $d | sed 's/^\///')
      if [[ -z "$d" ]]; then
        d=..
      fi
      cd $d
    }
  #}}}
  # ARCHIVE EXTRACTOR {{{
    extract() {
      clrstart="\033[1;34m"  #color codes
      clrend="\033[0m"

      if [[ "$#" -lt 1 ]]; then
        echo -e "${clrstart}Pass a filename. Optionally a destination folder. You can also append a v for verbose output.${clrend}"
        exit 1 #not enough args
      fi

      if [[ ! -e "$1" ]]; then
        echo -e "${clrstart}File does not exist!${clrend}"
        exit 2 #file not found
      fi

      if [[ -z "$2" ]]; then
        DESTDIR="." #set destdir to current dir
      elif [[ ! -d "$2" ]]; then
        echo -e -n "${clrstart}Destination folder doesn't exist or isnt a directory. Create? (y/n): ${clrend}"
        read response
        #echo -e "\n"
        if [[ $response == y || $response == Y ]]; then
          mkdir -p "$2"
          if [ $? -eq 0 ]; then
            DESTDIR="$2"
          else
            exit 6 #Write perms error
          fi
        else
          echo -e "${clrstart}Closing.${clrend}"; exit 3 # n/wrong response
        fi
      else
        DESTDIR="$2"
      fi

      if [[ ! -z "$3" ]]; then
        if [[ "$3" != "v" ]]; then
          echo -e "${clrstart}Wrong argument $3 !${clrend}"
          exit 4 #wrong arg 3
        fi
      fi

      filename=`basename "$1"`

      #echo "${filename##*.}" debug

      case "${filename##*.}" in
        tar)
          echo -e "${clrstart}Extracting $1 to $DESTDIR: (uncompressed tar)${clrend}"
          tar x${3}f "$1" -C "$DESTDIR"
          ;;
        gz)
          echo -e "${clrstart}Extracting $1 to $DESTDIR: (gip compressed tar)${clrend}"
          tar x${3}fz "$1" -C "$DESTDIR"
          ;;
        tgz)
          echo -e "${clrstart}Extracting $1 to $DESTDIR: (gip compressed tar)${clrend}"
          tar x${3}fz "$1" -C "$DESTDIR"
          ;;
        xz)
          echo -e "${clrstart}Extracting  $1 to $DESTDIR: (gip compressed tar)${clrend}"
          tar x${3}f -J "$1" -C "$DESTDIR"
          ;;
        bz2)
          echo -e "${clrstart}Extracting $1 to $DESTDIR: (bzip compressed tar)${clrend}"
          tar x${3}fj "$1" -C "$DESTDIR"
          ;;
        zip)
          echo -e "${clrstart}Extracting $1 to $DESTDIR: (zipp compressed file)${clrend}"
          unzip "$1" -d "$DESTDIR"
          ;;
        rar)
          echo -e "${clrstart}Extracting $1 to $DESTDIR: (rar compressed file)${clrend}"
          unrar x "$1" "$DESTDIR"
          ;;
        7z)
          echo -e  "${clrstart}Extracting $1 to $DESTDIR: (7zip compressed file)${clrend}"
          7za e "$1" -o"$DESTDIR"
          ;;
        *)
          echo -e "${clrstart}Unknown archieve format!"
          exit 5
          ;;
      esac
    }
  #}}}
  # ARCHIVE COMPRESS {{{
    compress() {
      if [[ -n "$1" ]]; then
        FILE=$1
        case $FILE in
        *.tar ) shift && tar cf $FILE $* ;;
    *.tar.bz2 ) shift && tar cjf $FILE $* ;;
     *.tar.gz ) shift && tar czf $FILE $* ;;
        *.tgz ) shift && tar czf $FILE $* ;;
        *.zip ) shift && zip $FILE $* ;;
        *.rar ) shift && rar $FILE $* ;;
        esac
      else
        echo "usage: compress <foo.tar.gz> ./foo ./bar"
      fi
    }
  #}}}
  #}}}
  # REMIND ME, ITS IMPORTANT! {{{
    # usage: remindme <time> <text>
    # e.g.: remindme 10m "omg, the pizza"
    remindme() { sleep $1 && zenity --info --text "$2" & }
  #}}}
  # SIMPLE CALCULATOR #{{{
    # usage: calc <equation>
    calc() {
      if which bc &>/dev/null; then
        echo "scale=3; $*" | bc -l
      else
        awk "BEGIN { print $* }"
      fi
    }
  #}}}
  # FILE & STRINGS RELATED FUNCTIONS {{{
    ## FIND A FILE WITH A PATTERN IN NAME {{{
      ff() { find . -type f -iname '*'$*'*' -ls ; }
    #}}}
    ## FIND A FILE WITH PATTERN $1 IN NAME AND EXECUTE $2 ON IT {{{
      fe() { find . -type f -iname '*'$1'*' -exec "${2:-file}" {} \;  ; }
    #}}}
    ## MOVE FILENAMES TO LOWERCASE {{{
      lowercase() {
        for file ; do
          filename=${file##*/}
          case "$filename" in
          */* ) dirname==${file%/*} ;;
            * ) dirname=.;;
          esac
          nf=$(echo $filename | tr A-Z a-z)
          newname="${dirname}/${nf}"
          if [[ "$nf" != "$filename" ]]; then
            mv "$file" "$newname"
            echo "lowercase: $file --> $newname"
          else
            echo "lowercase: $file not changed."
          fi
        done
      }
  #}}}
    ## SWAP 2 FILENAMES AROUND, IF THEY EXIST {{{
      #(from Uzi's bashrc).
      swap() {
        local TMPFILE=tmp.$$

        [[ $# -ne 2 ]] && echo "swap: 2 arguments needed" && return 1
        [[ ! -e $1 ]] && echo "swap: $1 does not exist" && return 1
        [[ ! -e $2 ]] && echo "swap: $2 does not exist" && return 1

        mv "$1" $TMPFILE
        mv "$2" "$1"
        mv $TMPFILE "$2"
      }
    #}}}
    ## FINDS DIRECTORY SIZES AND LISTS THEM FOR THE CURRENT DIRECTORY {{{
      dirsize () {
        du -shx * .[a-zA-Z0-9_]* 2> /dev/null | egrep '^ *[0-9.]*[MG]' | sort -n > /tmp/list
        egrep '^ *[0-9.]*M' /tmp/list
        egrep '^ *[0-9.]*G' /tmp/list
        rm -rf /tmp/list
      }
    #}}}
    ## FIND AND REMOVED EMPTY DIRECTORIES {{{
      fared() {
        read -p "Delete all empty folders recursively [y/N]: " OPT
        [[ $OPT == y ]] && find . -type d -empty -exec rm -fr {} \; &> /dev/null
      }
    #}}}


  #}}}
  # ENTER AND LIST DIRECTORY{{{
    function cd() { builtin cd -- "$@" && { [ "$PS1" = "" ] || ls -hrt --color; }; }
  #}}}
  # SYSTEMD SUPPORT {{{
    if which systemctl &>/dev/null; then
      start() {
        sudo systemctl start $1.service
      }
      restart() {
        sudo systemctl restart $1.service
      }
      stop() {
        sudo systemctl stop $1.service
      }
      enable() {
        sudo systemctl enable $1.service
      }
      status() {
        sudo systemctl status $1.service
      }
      disable() {
        sudo systemctl disable $1.service
      }
    fi
  #}}}
#}}}
fortune -o -s | cowsay
#screenfetch
# TLP Alises {{{
    # we're on ARCH
    if $_isarch; then
      # we're not root
      if ! $_isroot; then
        alias tlp='sudo tlp'
    fi
      alias='tlp true'
      alias='tlp bat'
      alias='tlp false'
      alias='tlp usb'
      alias='tlp bayoff'
      alias='tlp discharge'
      alias='tlp setcharge'
      alias='tlp fullcharge'

      alias='tlp recalibrate'
      alias='tlp stat'
      alias='tlp diskid'
    fi
#}}}