Install or update Jetbrains Software to latest EAP or stable version

updateJetbrains.sh

#!/usr/bin/env bash

case "${1}" in 
"phpstorm")
  TOOL_NAME="PhpStorm"
  INSTALL_DIR="/opt/phpstorm"
  EAP_URL="https://confluence.jetbrains.com/display/PhpStorm/PhpStorm+Early+Access+Program"
  EAP_FILE="PhpStorm-EAP-[0-9\.]+(:?[a-z\-]+)?.tar.gz"
  STABLE_URL="https://confluence.jetbrains.com/display/PhpStorm/Previous+PhpStorm+Releases"
  STABLE_FILE="PhpStorm-[0-9\.]+.tar.gz"
  DOWNLOAD_URL="http://download-cf.jetbrains.com/webide/"
  ;;
"pycharm")
  TOOL_NAME="PyCharm"
  INSTALL_DIR="/opt/pycharm"
  EAP_URL="http://confluence.jetbrains.com/display/PYH/JetBrains+PyCharm+Preview+%28EAP%29"
  EAP_FILE="pycharm-professional-[0-9\.]+(:?[a-z\-]+)?.tar.gz"
  STABLE_URL="https://confluence.jetbrains.com/display/PYH/Previous+PyCharm+Releases"
  STABLE_FILE="PyCharm-professional-[0-9\.]+.tar.gz"
  DOWNLOAD_URL="http://download.jetbrains.com/python/"
  ;;
*)
  echo "Not supported"
  exit 1
esac

echo "Checking for ${TOOL_NAME} updates..."

BUILD_FILE="${INSTALL_DIR}/build.txt"
FILE=$(curl -s "${EAP_URL}" | grep -Eo "${EAP_FILE}" | head -1)
VERSION=$(echo $FILE | grep -Eo "([0-9]+\.[0-9]+)")
URL="${DOWNLOAD_URL}${FILE}"

if [ -z "${VERSION}" ]
then
  echo "No EAP release available, using last stable"
  FILE=$(curl -s "${STABLE_URL}" | grep -Eo "${STABLE_FILE}" | head -1)
  VERSION=$(echo $FILE | grep -Eo "([0-9]+\.[0-9]+(:?\.[0-9]+)?)")
  URL="${DOWNLOAD_URL}${FILE}"
fi

if [ -z "${VERSION}" ]
then
  echo "ERROR: No release found"
  exit 1
fi

# Check current installed version if available
if [ -f "${BUILD_FILE}" ]
then
  CURRENT_VERSION=$(cat ${INSTALL_DIR}/build.txt | grep -Eo "([0-9]+\.[0-9]+)")
  echo "Found ${TOOL_NAME}-EAP-${CURRENT_VERSION} at ${INSTALL_DIR}"
  if [ "${CURRENT_VERSION}" == "${VERSION}" ]
  then
    echo "You have the latest version of ${TOOL_NAME} EAP already installed."
    exit
  fi
else
  echo "No ${TOOL_NAME} found at ${INSTALL_DIR}"
fi

echo "Updating to ${TOOL_NAME} ${VERSION}"

TMP_DIR="/tmp/${TOOL_NAME}-tmp-${VERSION}"
TMP_FILE="${TMP_DIR}/${FILE}"
EXTRACTED="${TMP_DIR}/*-${VERSION}*"

# Create tmp dirctory for download and extracting
if [ ! -d "${TMP_DIR}" ]
then
  mkdir "${TMP_DIR}"
fi

# Check if already extracted
if [ ! -d "${EXTRACTED}" ]
then
  # Check if already downloaded
  if [ ! -f "${TMP_FILE}" ]
  then
    echo "Downloading to ${TMP_FILE}"
    curl -L --progress-bar -o "${TMP_FILE}" "${URL}"
  fi

  echo "Extracting..."
  tar zxf ${TMP_FILE} -C ${TMP_DIR}
  rm ${TMP_FILE}
fi

echo "Installing to ${INSTALL_DIR}"
if [ -d "${INSTALL_DIR}" ]
then
  rm -rf ${INSTALL_DIR}
fi

mv $(echo ${EXTRACTED}) "${INSTALL_DIR}/"

echo "Cleanup..."
rm -rf "${TMP_DIR}"

echo "Done."

similar script for install or update(auto) jetbrains products like phpstorm, webstorm, IntelliJ Idea and other. + dependencies + non latin hotkeys fixes
https://gist.github.com/zabidok/8418c4f679741f585ac9ce90b16fb8a5