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#!/usr/bin/env bash
set -euo pipefail
readonly PKGBUILD_FILE="${1:-PKGBUILD}"
readonly UPDATE_YML_URL="https://software.lenzaos.com/app-chats/latest-linux.yml"
if [[ ! -f "${PKGBUILD_FILE}" ]]; then
echo "error: file not found: ${PKGBUILD_FILE}" >&2
exit 1
fi
current_version="$(awk -F= '/^pkgver=/{print $2; exit}' "${PKGBUILD_FILE}")"
if [[ -z "${current_version}" ]]; then
echo "error: failed to read pkgver from ${PKGBUILD_FILE}" >&2
exit 1
fi
if ! latest_yml="$(curl -fsSL "${UPDATE_YML_URL}")"; then
echo "error: failed to fetch ${UPDATE_YML_URL}" >&2
exit 2
fi
latest_version="$(
printf '%s\n' "${latest_yml}" \
| awk -F': ' '/^version:/{print $2; exit}' \
| tr -d '\r'
)"
if [[ -z "${latest_version}" ]]; then
echo "error: failed to read version from ${UPDATE_YML_URL}" >&2
exit 1
fi
if [[ "${current_version}" == "${latest_version}" ]]; then
echo "up-to-date: ${current_version}"
exit 0
fi
echo "update available: ${current_version} -> ${latest_version}"
exit 10
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