#!/bin/bash

# Download and extract coverity tool

# Environment check
[ -z "$COVERITY_SCAN_TOKEN" ] && echo 'ERROR: COVERITY_SCAN_TOKEN must be set' && exit 1

# Use default values if not set
PLATFORM=$(uname)

TOOL_BASE=${TOOL_BASE:="/tmp/coverity-scan-analysis"}
TOOL_ARCHIVE=${TOOL_ARCHIVE:="/tmp/cov-analysis-${PLATFORM}.tgz"}

TOOL_URL="https://scan.coverity.com/download/${PLATFORM}"

# Make sure wget is installed
sudo apt-get update && sudo apt-get -y install wget

# Get coverity tool
if [ ! -d $TOOL_BASE ]; then
  # Download Coverity Scan Analysis Tool
  if [ ! -e $TOOL_ARCHIVE ]; then
	  echo -e "\033[33;1mDownloading Coverity Scan Analysis Tool...\033[0m"
	  wget -nv -O $TOOL_ARCHIVE $TOOL_URL --post-data "project=$COVERITY_SCAN_PROJECT_NAME&token=$COVERITY_SCAN_TOKEN"
  fi

  # Extract Coverity Scan Analysis Tool
  echo -e "\033[33;1mExtracting Coverity Scan Analysis Tool...\033[0m"
  mkdir -p $TOOL_BASE
  pushd $TOOL_BASE
  tar xzf $TOOL_ARCHIVE
  popd
fi

echo -e "\033[33;1mCoverity Scan Analysis Tool can be found at $TOOL_BASE ...\033[0m"