#!/bin/bash

# Usage:
#     ./update-release sdk-version runtime-version

set -euo pipefail
IFS=$'\n\t'

print_usage() {
    echo " Usage:"
    echo "     ./update-release sdk-version runtime-version"
}

positional_args=()
while [[ "$#" -gt 0 ]]; do
    arg="${1}"
    case "${arg}" in
        -h|--help)
            print_usage
            exit 0
            ;;
        *)
            positional_args+=("$1")
            shift
            ;;
    esac
done

spec_file=dotnet3.1.spec

sdk_version=${positional_args[0]:-}
if [[ -z ${sdk_version} ]]; then
    echo "error: missing sdk version"
    exit 1
fi

runtime_version=${positional_args[1]:-}
if [[ -z ${runtime_version} ]]; then
    echo "error: missing runtime version"
    exit 1
fi

host_version="$runtime_version"

if [[ ! -f "dotnet-v${sdk_version}-SDK.tar.gz" ]]; then
    ./build-dotnet-tarball "v${sdk_version}-SDK"
fi

set -x

sed -i -E "s|^%global host_version [[:digit:]]\.[[:digit:]]\.[[:digit:]]+|%global host_version ${host_version}|" "$spec_file"
sed -i -E "s|^%global runtime_version [[:digit:]]\.[[:digit:]]\.[[:digit:]]+|%global runtime_version ${runtime_version}|" "$spec_file"
sed -i -E "s|^%global sdk_version [[:digit:]]\.[[:digit:]]\.[[:digit:]][[:digit:]][[:digit:]]|%global sdk_version ${sdk_version}|" "$spec_file"

comment="Update to .NET Core SDK ${sdk_version} and Runtime ${runtime_version}"

rpmdev-bumpspec -D --comment="$comment" $spec_file

# Reset release to 1 in 'Release' tag
sed -i -E 's|^Release:        [[:digit:]]+%|Release:        1%|' $spec_file
# Reset Release in changelog comment
# See https://stackoverflow.com/questions/18620153/find-matching-text-and-replace-next-line
sed -i -E '/^%changelog$/!b;n;s/-[[:digit:]]+$/-1/' $spec_file