ultra-supara / homebrew-sisakulint

homebrew tap repo

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homebrew-sisakulint's Issues

User DocumentとDeveloper Documentの中身が逆ではないか?

ReadmeのLinksのuser documentとdeveloper documentの中身が逆だと思われます。

sisakulint is written in Go

ultra-supara/sisakulint, which exists in a private repository, is written in Go.

new strategy.rb

require "download_strategy"

# GitHubPrivateRepositoryDownloadStrategy downloads contents from GitHub
# Private Repository. To use it, add
# `:using => :github_private_repo` to the URL section of
# your formula. This download strategy uses GitHub access tokens (in the
# environment variables `HOMEBREW_GITHUB_API_TOKEN`) to sign the request.
class GitHubPrivateRepositoryDownloadStrategy < CurlDownloadStrategy
  def initialize(url, name, version, **meta)
    super
    parse_url_pattern
    set_github_token
  end

  def parse_url_pattern
    unless match = url.match(%r{https://github.com/([^/]+)/([^/]+)/(\S+)})
      raise CurlDownloadStrategyError, "Invalid url pattern for GitHub Repository."
    end

    _, @owner, @repo, @filepath = *match
  end

  def download_url
    "https://#{@github_token}@github.com/#{@owner}/#{@repo}/#{@filepath}"
  end

  private

  def _fetch(url:, resolved_url:)
    curl_download download_url, to: temporary_path
  end

  def set_github_token
    @github_token = ENV["HOMEBREW_GITHUB_API_TOKEN"]
    raise CurlDownloadStrategyError, "Environmental variable HOMEBREW_GITHUB_API_TOKEN is required." unless @github_token
  end
end

# GitHubPrivateRepositoryReleaseDownloadStrategy downloads tarballs from GitHub
# Release assets. To use it, add `:using => :github_private_release` to the URL section
# of your formula. This download strategy uses GitHub access tokens (in the
# environment variables `HOMEBREW_GITHUB_API_TOKEN`) to sign the request.
class GitHubPrivateRepositoryReleaseDownloadStrategy < GitHubPrivateRepositoryDownloadStrategy
  def initialize(url, name, version, **meta)
    super
    parse_url_pattern
  end

  def parse_url_pattern
    url_pattern = %r{https://github.com/([^/]+)/([^/]+)/releases/download/([^/]+)/(\S+)}
    unless @url =~ url_pattern
      raise CurlDownloadStrategyError, "Invalid url pattern for GitHub Release."
    end

    _, @owner, @repo, @tag, @filename = *@url.match(url_pattern)
  end

  def download_url
    "https://api.github.com/repos/#{@owner}/#{@repo}/releases/assets/#{asset_id}"
  end

  private

  def _fetch(url:, resolved_url:)
    curl_download download_url, "--header", "Accept: application/octet-stream", to: temporary_path
  end

  def asset_id
    @asset_id ||= resolve_asset_id
  end

  def resolve_asset_id
    release_metadata = fetch_release_metadata
    assets = release_metadata["assets"].select { |a| a["name"] == @filename }
    raise CurlDownloadStrategyError, "Asset file not found." if assets.empty?

    assets.first["id"]
  end

  def fetch_release_metadata
    uri = URI.parse("https://api.github.com/repos/#{@owner}/#{@repo}/releases/tags/#{@tag}")
    request = Net::HTTP::Get.new(uri)
    request["Authorization"] = "token #{@github_token}"
    request["Accept"] = "application/vnd.github.v3+json"

    response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == "https") do |http|
      http.request(request)
    end

    unless response.is_a?(Net::HTTPSuccess)
      raise CurlDownloadStrategyError, "Failed to fetch release metadata: #{response.code} #{response.message}"
    end

    JSON.parse(response.body)
  end
end

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