bash aliases

OS=`echo \`uname\` | tr '[:upper:]' '[:lower:]'`
AURL="https://gist.githubusercontent.com/hightemp/5071909/raw/"
ANAME=".bash_aliases"
TMPAPATH="/tmp/$ANAME"
HOMEAPATH="~/$ANAME"

[ "$OS" = "windowsnt" ] && OS_WIN="yes"
[ "$OS" = "darwin" ]    && OS_MAC="yes"
[ "$OS" = "linux" ]     && OS_LIN="yes"

# Self-update
alias alias_update="rm -f $TMPAPATH;wget $AURL -O $TMPAPATH;mv $TMPAPATH $HOMEAPATH;source $HOMEAPATH"

# ls variants
alias la='ls -A'
alias l='ls -alFtr'
alias lsd='ls -d .*'
alias ll='ls -alF'
[ -n "$OS_LIN" ] && alias ls='ls --color=auto'
[ -n "$OS_MAC" ] && alias ls='ls -G'

# Various
alias h='history | tail'
alias hg='history | grep'
alias mvi='mv -i'
alias rmi='rm -i'
alias {ack,ak}='ack-grep'

# Directories
alias {up,..}='cd ..'

# Archives
function extract {
  if [ -z "$1" ]; then
    echo "Usage: extract <path/file_name>.<zip|rar|bz2|gz|tar|tbz2|tgz|Z|7z|xz|ex|tar.bz2|tar.gz|tar.xz>"
  else
    if [ -f $1 ]; then
      case $1 in
        *.tar.bz2)   tar xvjf $1    ;;
        *.tar.gz)    tar xvzf $1    ;;
        *.tar.xz)    tar xvJf $1    ;;
        *.lzma)      unlzma $1      ;;
        *.bz2)       bunzip2 $1     ;;
        *.rar)       unrar x -ad $1 ;;
        *.gz)        gunzip $1      ;;
        *.tar)       tar xvf $1     ;;
        *.tbz2)      tar xvjf $1    ;;
        *.tgz)       tar xvzf $1    ;;
        *.zip)       unzip $1       ;;
        *.Z)         uncompress $1  ;;
        *.7z)        7z x $1        ;;
        *.xz)        unxz $1        ;;
        *.exe)       cabextract $1  ;;
        *)           echo "extract: '$1' - unknown archive method" ;;
      esac
    else
      echo "$1 - file does not exist"
    fi
  fi
}
alias extr='extract '
function extract_and_remove {
  extract $1
  rm -f $1
}
alias extrr='extract_and_remove '
function abspath() {
    if [ -d "$1" ]; then
        echo "$(cd $1; pwd)"
    elif [ -f "$1" ]; then
        if [[ $1 == */* ]]; then
            echo "$(cd ${1%/*}; pwd)/${1##*/}"
        else
            echo "$(pwd)/$1"
        fi
    fi
}
alias abspath="abspath "

# Rails
alias src='script/rails console'
alias srs='script/rails server'
alias rgm='rails g model'
alias rgc='rails g controller'
alias rdc='rake db:drop db:create db:migrate db:seed'
alias rrg='rake routes | grep '
alias rspecd='rspec --drb '

# Git
alias gcl='git clone '
alias gst='git status'
alias {gbra,gb}='git branch'
alias gco='git checkout'
alias {gcob,gob}='git checkout -b '
alias {gadd,ga}='git add '
alias {gcom,gc}='git commit'
alias {gpul,gl}='git pull '
alias {gpus,gh}='git push '
alias glom='git pull origin master'
alias ghom='git push origin master'
alias gg='git grep '

# Output
alias lcase="tr '[:upper:]' '[:lower:]'"
alias ucase="tr '[:lower:]' '[:upper:]'"

# System
alias df="df -h"
alias du="du -h"
[ -n "$OS_MAC" ] && alias nproc="sysctl hw.ncpu | awk '{print \$2}'"
CORES=`nproc`
JOBS=$(expr $CORES + 1)
alias make="make -j$JOBS"

function install_from_git {
  URL=$1
  DIRNAME="/tmp/${URL##*/}"
  gcl $URL $DIRNAME
  pushd $DIRNAME
  make
  sudo make install
  popd
  rm -rf $DIRNAME
}
alias ifg="install_from_git "

if [ -n "$OS_MAC" ]; then
  function free() {
    FREE_BLOCKS=$(vm_stat | grep free | awk '{ print $3 }' | sed 's/\.//')
    INACTIVE_BLOCKS=$(vm_stat | grep inactive | awk '{ print $3 }' | sed 's/\.//')
    SPECULATIVE_BLOCKS=$(vm_stat | grep speculative | awk '{ print $3 }' | sed 's/\.//')
    FREE=$((($FREE_BLOCKS+SPECULATIVE_BLOCKS)*4096/1048576))
    INACTIVE=$(($INACTIVE_BLOCKS*4096/1048576))
    TOTAL=$((($FREE+$INACTIVE)))
    echo "Free:       $FREE MB"
    echo "Inactive:   $INACTIVE MB"
    echo "Total free: $TOTAL MB"
  }
  alias free="free"
fi

# Files
alias lcf="rename 'y/A-Z/a-z/' "
alias ucf="rename 'y/a-z/A-Z/' "

# Vim
alias v='vim'

# Tmux
alias {ton,tn}='tmux set -g mode-mouse on'
alias {tof,tf}='tmux set -g mode-mouse off'

# Linux ubuntu apt/aptitude
if [ -n "$OS_LIN" ]; then
  alias aptcs='apt-cache search'
  alias apti='sudo aptitude install'
  alias aptr='sudo aptitude remove'
  alias aptre='sudo aptitude reinstall'
  alias apts='aptitude search'
  alias aptu='sudo aptitude update'
  alias aptuu='sudo aptitude update;sudo aptitude upgrade;'
fi

# Mac ports
if [ -n "$OS_MAC" ]; then
  alias brewi='brew install'
  alias brews='brew search'
  alias porti='sudo port install'
  alias ports='port search'
fi

# Grep
alias egrep='egrep --color=auto'
alias fgrep='fgrep --color=auto'
alias grep='grep --color=auto'

# Ruby gems
alias gemi='gem install'
alias gemre='gem reinstall'
alias gems='gem search'

# DNS
alias {hostname2ip,h2ip}='dig +short'

# Mac DHCP service
if [ -n "$OS_MAC" ]; then
  alias {dhcpup,dhcp-start}='sudo /bin/launchctl load -w /System/Library/LaunchDaemons/bootps.plist'
  alias {dhcpdn,dhcp-stop}='sudo /bin/launchctl unload -w /System/Library/LaunchDaemons/bootps.plist'
fi

# Clipboard
[ -n "$OS_MAC" ] && alias getcb='pbpaste'
[ -n "$OS_WIN" ] && alias getcb='cat /dev/clipboard'
[ -n "$OS_LIN" ] && alias getcb='xclip -o'

# Wget
alias wgetncc='wget --no-check-certificate'
alias wgetc='wget `getcb`'

function wget_archive_and_extract {
  URL=$1
  FILENAME=${URL##*/}
  wget $URL -O $FILENAME
  extract $FILENAME
  rmi $FILENAME
}
alias wgetae='wget_archive_and_extract '
alias wgetaec='wgetae getcb'

# Utils
alias sitecopy='wget -k -K -E -r -l 10 -p -N -F -nH '
alias ytmp3='youtube-dl --extract-audio --audio-format mp3 '