#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"

usage() {
  cat <<'EOF'
Usage:
  scripts/release/check-version.sh [--incremented-from REF]

Checks that plugins/cad/VERSION contains a valid canonical release version.
With --incremented-from, also checks that the current version is greater than
the version at REF.

Options:
  --incremented-from REF  Compare current release version against REF.
  -h, --help              Show this help.
EOF
}

BASE_REF=""

while [ "$#" -gt 0 ]; do
  case "$1" in
    --incremented-from)
      [ "$#" -ge 2 ] || {
        echo "--incremented-from requires a ref" >&2
        exit 2
      }
      BASE_REF="$2"
      shift
      ;;
    --incremented-from=*)
      BASE_REF="${1#--incremented-from=}"
      ;;
    -h|--help)
      usage
      exit 0
      ;;
    *)
      echo "Unknown argument: $1" >&2
      usage >&2
      exit 2
      ;;
  esac
  shift
done

cd "$REPO_ROOT"

if [ -n "$BASE_REF" ]; then
  "$SCRIPT_DIR/bump-version.sh" --check-incremented-from "$BASE_REF"
else
  "$SCRIPT_DIR/bump-version.sh" --check
fi