# < FUNCTIONS

## BACKUP
  function etcbackup() {
    BACKUPDIR=$HOME/dropbox/backup
    HOSTNAME=$(hostname)
    FILE=$1

    if [ -f $FILE ]
    then
      FILENAME=$(echo $FILE | sed 's/\///' | sed 's/\//_/g')
      cp -v $FILE $BACKUPDIR/$HOSTNAME/$FILENAME
    else
      echo $FILE does not exist
    fi
  }

## DOTFILES
  function update_dot() {
    for i in $HOME/dropbox/dot/[a-zA-Z]*;
    do
      if [ -f $i ];
      then
        echo file $i
        base=`basename $i`
        dst=$HOME/.$base
        bak=$HOME/.${base}_bak

        case $base in
          vimrc|zshrc|*tgz)
              echo nothing $i
          ;;
          *)
            if [ -L $dst ];
            then
              rm $dst
            else
              mv $dst $bak
            fi
            ln -s $i $dst
          ;;
        esac

      else
        if [ -d $i ];
        then
          echo dir $i
          base=`basename $i | sed 's/_/\//'`
          dst=$HOME/.$base
          bak=$HOME/.${base}_bak

          case $base in
            "vim")
              echo nothing $i
            ;;
            *)
              if [ -e $dst ];
              then
                if [ -L $dst ];
                then
                  rm $dst
                else
                  mv $dst $bak
                fi
              fi
              ln -s $i $dst
            ;;
          esac
        else
          echo unknown $i
        fi
      fi
    done
  }

## PDF/LATEX
  function mkpdf()
  {
    pdflatex -shell-escape  $1
    # latex --output-format=pdf $1
    name=`echo $1 | sed 's/.tex//'`
    EXT=(aux log)
    for i in $EXT;
    do
      rm -v $name.$i
    done
  }

  function gsmerge()
  {
    target=$1
    echo "target: $target"
    sleep 1
    shift

    /usr/bin/gs \
      -sDEVICE=pdfwrite \
      -dCompatibilityLevel=1.4 \
      -dNOPAUSE \
      -dBATCH \
      -sPAPERSIZE=a4 \
      -sOUTPUTFILE=$target $*
  }

  function gsmerge_medium()
  {
    target=$1
    echo "target: $target"
    sleep 1
    shift

    /usr/bin/gs \
      -sDEVICE=pdfwrite \
      -dPDFSETTINGS=/ebook \
      -dCompatibilityLevel=1.4 \
      -dNOPAUSE \
      -dBATCH \
      -sPAPERSIZE=a4 \
      -sOutputFile=$target $*
  }

## USABILITY
  function lvim()
  {
    noglob vim $(echo $1 | awk -F":" '{ print $1" +"$2  }' )
  }

  function mkcd()
  {
    mkdir $1
    cd $1
  }

  function cpwd()
  {
    pwd >! /tmp/pwd
  }

  function ppwd()
  {
    cd "`cat /tmp/pwd`"
  }

  function cp2wd()
  {
    cp $@ "`cat /tmp/pwd`"
  }

function publish() {
  [ -f $1 ] || return

  DIR=`dirname $1`
  FILE=`basename $1`
  mute pushd $DIR
  scp $FILE pool:public_html/
  echo "http://www-pool.math.tu-berlin.de/~runge/$FILE"
  echo "http://www-pool.math.tu-berlin.de/~runge/$FILE"|xcp
  mute popd
}

function securium {
  port=44350
  chromium --proxy-server="socks://localhost:$port" &
  exit
}

## ZSH
refresh() {
  source $HOME/.zshrc
}



#Decompress any given compressed file
extract () {
if [ -f $1 ] ; then
case $1 in
   *.tar.bz2)   tar xvjf $1    ;;
   *.tar.gz)    tar xvzf $1    ;;
   *.bz2)       bunzip2 $1     ;;
   *.rar)       unrar x $1     ;;
   *.gz)        gunzip $1      ;;
   *.tar)       tar xvf $1     ;;
   *.tbz2)      tar xvjf $1    ;;
   *.tgz)       tar xvzf $1    ;;
   *.xz)        tar xvJf $1    ;;
   *.zip)       unzip $1       ;;
   *.Z)         uncompress $1  ;;
   *.7z)        7z x $1        ;;
   *)           echo "don't know how to extract '$1'..." ;;
esac
else
echo "'$1' is not a valid file!"
fi
}

extract_to() {
  if [ -f $2 ] ;then
    echo "Extracting to '$2'"
    local out = $2
  else
    echo "Extracting to '$( pwd )'"
    local out = $( pwd )
  fi
  if [ -f $1 ] ;then
    echo "'$1'"
  else
    echo "'$1' is not a valid file!"
  fi
}

## compress stuff
function tar_tgz {
  tar cvfz $1.tgz $1
}
function tar_tbz {
  tar cvfj $1.tbz $1
}
function tar_tlz {
  tar --lzma -cvf $1.tlz $1
}

##CRYPTSETUP AND LUKS
function lopen () {
  case $HOST in
    "homey")
      case $1 in
        "video-backup")
          sudo cryptsetup luksOpen /dev/disk/by-id/ata-SAMSUNG_HD153WI_S1UVJ1VZ400797 $1
        ;;
        "video")
          sudo cryptsetup luksOpen /dev/disk/by-id/ata-SAMSUNG_HD153WI_S1UVJ1VZ400798 $1
        ;;
        "photos")
          sudo cryptsetup luksOpen /dev/disk/by-id/ata-SAMSUNG_HD501LJ_S0MUJ1FQ104574 $1
        ;;
        "music")
          sudo cryptsetup luksOpen /dev/disk/by-id/ata-SAMSUNG_HD501LJ_S0MUJ1FPB87663 $1
        ;;
        "music-external")
          sudo cryptsetup luksOpen /dev/disk/by-id/ata-ST9500325AS_6VE152RS $1
        ;;
        "photos-external")
          sudo cryptsetup luksOpen /dev/disk/by-id/ata-ST9500325AS_6VE457TN $1
        ;;
      esac
    ;;
    "dvzrv" | "nashoe")
      case $1 in
        "music")
          sudo cryptsetup luksOpen /dev/disk/by-id/ata-ST9500325AS_6VE152RS $1
        ;;
        "photos")
          sudo cryptsetup luksOpen /dev/disk/by-id/ata-ST9500325AS_6VE457TN $1
        ;;
        "backup")
          sudo cryptsetup luksOpen /dev/disk/by-id/ata-HGST_HTS725050A7E630_TF755AWHHS9S1M $1
        ;;
      esac
  esac
  if [[ -e "/dev/mapper/$1" ]]; then
    sudo mount /dev/mapper/$1 /mnt/$1
  else
    echo "Device is not available."
  fi
}

function lclose () {
  notmounted=$(mountpoint /mnt/$1)
  if [ "$?" -eq 0 ]; then
    #stop services blocking the umount
    if [[ $HOST == "homey" ]]; then
      sudo systemctl stop rpc-{idmapd,mountd} rpcbind
    fi
    sudo umount /mnt/$1
    sudo cryptsetup luksClose $1
    #restart services that blocked the umount
    if [[ $HOST == "homey" ]]; then
      sudo systemctl start rpc-{idmapd,mountd} rpcbind
    fi
  else
    echo "/mnt/$1 is not a mountpoint or not mounted."
  fi
}

## RSYNC

function backupinfo () {
  rsync -r -n -t -p -o -g -v --progress --delete --ignore-existing --size-only -s --exclude 'lost+found' --exclude '.Trash-1000' --exclude '$RECYCLEBIN' --exclude 'System Volume Information' --exclude '.thumbs' $1 $2
  echo "rsync -r -n -t -p -o -g -v --progress --delete --ignore-existing --size-only -s --exclude 'lost+found' --exclude '.Trash-1000' --exclude '\$RECYCLEBIN' --exclude 'System Volume Information' --exclude '.thumbs' /path/to/folder/ /path/to/other/folder"
}

function backupfolder () {
  rsync -r -t -p -o -g -v --progress --delete --ignore-existing --size-only -s --exclude 'lost+found' --exclude '.Trash-1000' --exclude '$RECYCLEBIN' --exclude 'System Volume Information' --exclude '.thumbs' $1 $2
}


# FUNCTIONS >