latest-clion-version.sh

#!/usr/bin/env bash

SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
CACHE_FILE="${SCRIPT_DIR}/latest-clion-version.txt"
CACHE_TTL=$((60 * 60 * 24 * 7))

if [[ "$#" -gt 0 ]]; then
  if [[ "$1" = "-f" ]] || [[ "$1" = "--force" ]]; then
    FORCE=1
  else
    echo "usage: $0 --force"
    exit 1
  fi
fi

if [[ -f "$CACHE_FILE" && $(( $(date +%s) - $(stat -c %Y "$CACHE_FILE") )) -lt $CACHE_TTL ]] && [[ -z "${FORCE}" ]]; then
    cat "$CACHE_FILE"
else
    >&2 echo "Fetching latest CLion version"
    curl -s "https://data.services.jetbrains.com/products/releases?code=CL&latest=true&type=release" | jq -r '.CL[0].version' > "${CACHE_FILE}"
    cat "$CACHE_FILE"
fi