#!/usr/bin/env sh

set -e

source "$(dirname $0)/version"
cd "$(dirname $0)/.."

mkdir -p dist
TARGET_PATH="dist/release-note"

if [ -z "$(command -v release-notary)" ]; then
    echo "release-notary is not found, skip generating release notes."
    exit 0
fi

if [ -z "${GIT_TAG}" ]; then
    echo "running this scrpit without tag, skip generating release notes."
    exit 0
fi

GIT_TAG=$(echo "${GIT_TAG}" | grep -E "^v([0-9]+)\.([0-9]+)(\.[0-9]+)?(-[0-9A-Za-z.-]+)?(\+[0-9A-Za-z.-]+)?$") || true

if [ "${GIT_TAG}" = "" ]; then
    echo "git GIT_TAG is not validated, skip generating release notes."
    exit 0
fi

for tag in $(git tag -l --sort=-v:refname); do
    if [ "${tag}" = "${GIT_TAG}" ]; then
        continue
    fi
    filterred=$(echo "${tag}" | grep -E "^v([0-9]+)\.([0-9]+)(\.[0-9]+)?(-rc[0-9]*)$") || true
    if [ "${filterred}" = "" ]; then
        echo "get real release tag ${tag}, stopping untag"
        break
    fi
    git tag -d ${tag}
done

echo "following release notes will be published..."
release-notary publish -d 2>/dev/null | sed '1d' | sed '$d' > $TARGET_PATH
cat "$TARGET_PATH"