.bash_fzf

# fkill() - kill a process from a ps tree

fkill() {

  local plist

  if [[ "$UID" != "0" ]] ; then
    plist=$(ps -f -u $UID)
  else
    plist=$(ps -ef)
  fi

  local pid
  pid=$(echo "$plist" | sed 1d | fzf --prompt="Kill process(es) > " --tac -m | awk '{ print $2}')
  if [[ "x$pid" != "x" ]] ; then
    history -s kill $pid
    kill $pid
  fi
}

# fd() - cd to selected directory

fd() {

  local query
  if [[ ! -z "$@" ]] ; then
    query="--query=$@"
  fi

  local dir
  dir=$(find . -type d -print 2> /dev/null | fzf $query --prompt="Change into directory > ")

  if [[ "x$dir" == "x" || "$dir" == "." ]] ; then
    echo "No directory below current"
    return
  fi
  history -s cd $dir
  cd $dir
}

# ssh to an IP selected from aws-list-ec-instances --region=us-west-2 --table

fssh() {
  local instline
  instline=$(aws-list-ec2-instances --region=us-west-2 --table|fzf --header-lines=2 --prompt="SSH into AWS EC2 instance > ")
  if [[ "x$instline" != "x" ]] ; then
    local ip
    ip=$(echo $instline | tr -d ' ' | awk -F '|' '{ print $4 }')
    if [[ "x$ip" != "x" ]] ; then
      echo "Ssh'ing into instance below"
      echo
      echo "$instline"
      echo
      history -s "ssh $ip"
      ssh $ip
    else
      echo "Can't ssh into instance below because it has no external IP address"
      echo
      echo "$instline"
    fi
  fi
}

# fe - find file and run an editor

fe() {
  local file
  IFS=$'\n' file=($(fzf --prompt="Edit file > " --query="$1" --select-1 --exit-0))
  if  [[ -n $file ]] ; then
    local cmd
    history -s ${EDITOR} $file
    ${EDITOR} $file
  fi
}

# run ack-grep and trigger editing a selected file

vg() {
  if [[ -z "$@" ]] ; then
    echo "vg: need a string to look for"
    return
  fi

  local file
  local line

  local txt=$(ack --nobreak --noheading $@ | fzf --prompt="Edit file > " -0 -1 | awk -F':' '{ print $1":"$2}')

  local file=$(echo "$txt"| awk -F':' '{ print $1 }')
  local line=$(echo "$txt"| awk -F':' '{ print $2 }')

  if [[ -n $file ]] ; then
    history -s ${EDITOR} +${line} ${file}
    ${EDITOR} +${line} ${file}
  fi
}

# cd into a directory of a file

cdf() {
  local file
  local dir

  file=$(fzf --prompt="Change into directory of a file > " --query="$1")
  if [[ "x$file" == "x" ]]; then
    echo "No file selected"
    return
  fi

  dir=$(dirname "$file")
  if [[ "$dir" == "." ]] ; then
    return
  fi
  if [[ "x$dir" == "x" ]] ; then
    echo "Can't extract a directory from $file"
    return
  fi
  history -s cd $dir
  cd $dir
}