#!/bin/sh -e

SEMVER_REGEX="([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?(?:\+[0-9A-Za-z-]+)?"
CHANGELOG_VERSION=$(grep -o -E $SEMVER_REGEX CHANGELOG.md | sed -n 2p)
VERSION=$(grep -o -E $SEMVER_REGEX httpx/__version__.py | head -1)
echo "CHANGELOG_VERSION: $CHANGELOG_VERSION"
echo "VERSION: $VERSION"
if [ "$CHANGELOG_VERSION" != "$VERSION" ]; then
    echo "Version in changelog does not match version in httpx/__version__.py!"
    exit 1
fi