#!/bin/sh

set -e

PACKAGE="$(sed -ne '/^Welcome to /{s/Welcome to[[:space:]][[:space:]]*\([[:alnum:]][[:alnum:]]*\)[[:space:]][[:space:]]*\([[:alnum:]][[:alnum:].-]*\)\..*/\1/p;q}' < NEWS)"
VERSION="$(sed -ne '/^Welcome to /{s/Welcome to[[:space:]][[:space:]]*\([[:alnum:]][[:alnum:]]*\)[[:space:]][[:space:]]*\([[:alnum:]][[:alnum:].-]*\)\..*/\2/p;q}' < NEWS)"

if [ -z "$PACKAGE" ] || [ -z "$VERSION" ]; then
  echo "Error parsing package name and version from NEWS"
  exit 1
fi

echo "Tagging ${PACKAGE} version ${VERSION} as 'release/${PACKAGE}-${VERSION}'"
git tag -s "release/${PACKAGE}-${VERSION}" -m "${PACKAGE} version ${VERSION}"