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path: root/_update.sh
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#!/usr/bin/env bash

set -euo pipefail

script_dir=$(dirname "$(readlink -f "$0")")
release_notes_url="https://longbridge.com/desktop/release-notes/"
pkgbuild_path="${script_dir}/PKGBUILD"
srcinfo_path="${script_dir}/.SRCINFO"

cd "${script_dir}"

html=$(curl -fsSL "${release_notes_url}")

latest_version=$(
  printf '%s\n' "${html}" |
    grep -oE '/desktop/release-notes/v[0-9]+\.[0-9]+\.[0-9]+' |
    sed -E 's#^/desktop/release-notes/v##' |
    sort -Vru |
    sed -n '1p'
)

if [[ -z "${latest_version}" ]]; then
  printf 'Failed to determine latest version from %s\n' "${release_notes_url}" >&2
  exit 1
fi

current_version=$(sed -nE 's/^pkgver=(.+)$/\1/p' "${pkgbuild_path}")

if [[ -z "${current_version}" ]]; then
  printf 'Failed to read current pkgver from %s\n' "${pkgbuild_path}" >&2
  exit 1
fi

if [[ "${latest_version}" == "${current_version}" ]]; then
  printf 'Already up to date: %s\n' "${current_version}"
  exit 0
fi

sed -i -E "s/^pkgver=.*/pkgver=${latest_version}/" "${pkgbuild_path}"

updpkgsums

makepkg --printsrcinfo >"${srcinfo_path}"

printf 'Updated pkgver: %s -> %s\n' "${current_version}" "${latest_version}"