Module: Tempest::CLI

Defined in:
lib/tempest/cli.rb

Defined Under Namespace

Classes: RelineReader

Constant Summary collapse

VALID_FEED_MODES = 
%i[home self].freeze

Class Method Summary collapse

Class Method Details

.attach_store(session, store, identifier) ⇒ Object 



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# File 'lib/tempest/cli.rb', line 242

def attach_store(session, store, identifier)
  session.identifier ||= identifier
  session.on_change = ->(s) { store.save(s, identifier: s.identifier || identifier) }
end

.build_debug_logger(env) ⇒ Object

Returns a Logger configured from TEMPEST_DEBUG_LOG (path) and TEMPEST_DEBUG_LOG_LEVEL. When TEMPEST_DEBUG_LOG is unset, the returned logger writes to IO::NULL at FATAL level so call sites can log unconditionally without producing files or output.



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# File 'lib/tempest/cli.rb', line 175

def build_debug_logger(env)
  Tempest::DebugLog.from_env(env)
end

.build_subscription(mode:, session:, client:, handle_resolver: nil, stdout: nil) ⇒ Object

Decides what the Jetstream subscription should look like for a freshly signed-in session. In :self mode we only watch the user’s own DID (the historical earthquake-style “echo my posts” UX). In :home mode we fetch the user’s follows from AppView and let Subscription decide between server-side wantedDids filtering and a firehose+client-filter fallback. When a handle_resolver is provided, follow handles are seeded so the live feed can render @handle without an extra getProfile roundtrip.



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# File 'lib/tempest/cli.rb', line 222

def build_subscription(mode:, session:, client:, handle_resolver: nil, stdout: nil)
  case mode
  when :self
    Tempest::Jetstream::Plan.new(wanted_dids: [session.did], filter: nil)
  when :home
    stdout&.puts "[tempest] fetching follows..."
    follows = Tempest::Follows.fetch(client, actor: session.did)
    follows.each { |f| handle_resolver&.seed(f[:did], f[:handle]) }
    plan = Tempest::Jetstream::Subscription.build(self_did: session.did, follows: follows)
    if plan.filter
      stdout&.puts "[tempest] following #{follows.length} accounts (exceeds 10000 cap; using firehose+client-filter)"
    else
      stdout&.puts "[tempest] following #{follows.length} accounts"
    end
    plan
  else
    raise ArgumentError, "unknown feed mode: #{mode.inspect}"
  end
end

.create_with_2fa(config, env, stdout, stdin, session_factory) ⇒ Object 



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# File 'lib/tempest/cli.rb', line 146

def create_with_2fa(config, env, stdout, stdin, session_factory)
  token = env["TEMPEST_AUTH_FACTOR_TOKEN"]
  session_factory.call(config, auth_factor_token: token)
rescue Tempest::AuthenticationError => e
  raise unless e.code == "AuthFactorTokenRequired" && token.nil?

  stdout.puts "Bluesky sent a sign-in code to your email. Enter it below."
  stdout.print "code: "
  stdout.flush
  code = stdin.gets&.strip
  raise Tempest::AuthenticationError.new("sign-in cancelled (no code entered)", code: e.code) if code.nil? || code.empty?

  session_factory.call(config, auth_factor_token: code)
end

.cursor_store(env) ⇒ Object 



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# File 'lib/tempest/cli.rb', line 167

def cursor_store(env)
  Tempest::CursorStore.new(path: Tempest::CursorStore.default_path(env))
end

.feed_mode(argv:, env: {}) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/tempest/cli.rb', line 205

def feed_mode(argv:, env: {})
  flag = argv.find { |a| a.start_with?("--feed=") }&.split("=", 2)&.last
  raw = flag || env["TEMPEST_FEED"] || "home"

  mode = raw.to_sym
  raise ArgumentError, "invalid --feed value: #{raw.inspect} (must be home|self)" \
    unless VALID_FEED_MODES.include?(mode)
  mode
end

.help_text ⇒ Object 



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# File 'lib/tempest/cli.rb', line 247

def help_text
  <<~HELP
    Usage: tempest [options]

    Options:
      -h, --help       Show this help
      -v, --version    Show version
      --no-stream      Disable the auto-started Jetstream feed
      --feed=MODE      Choose what the live feed subscribes to:
                         home  (default) Your follows + your own posts
                         self  Only your own posts (legacy echo mode)

    Environment (required only when no cached session is available):
      TEMPEST_IDENTIFIER     Your handle (e.g. asonas.bsky.social)
      TEMPEST_APP_PASSWORD   An app password generated in Bluesky settings
      TEMPEST_PDS_HOST       Override PDS host (default: https://bsky.social)
      TEMPEST_AUTH_FACTOR_TOKEN
                             Pre-supply an email sign-in code (rarely needed; the CLI will
                             prompt interactively when Bluesky asks for one)
      TEMPEST_NO_STREAM      Set to 1 to disable the auto-started Jetstream feed
      TEMPEST_OPEN_CMD       Command used to open URLs when :open $LX is invoked
                             (default: "open"). The URL is passed as the single
                             argument after the command.
      TEMPEST_SESSION_PATH   Override the session cache path (default:
                             $XDG_CONFIG_HOME/tempest/session.json or
                             ~/.config/tempest/session.json). The cache holds refreshed
                             tokens so the email sign-in code is only requested once.
      TEMPEST_CURSOR_PATH    Override the Jetstream cursor cache path (default:
                             $XDG_CONFIG_HOME/tempest/cursor.json). Holds the last-seen
                             time_us so a restart can replay missed events.
      TEMPEST_FEED           "home" (default) or "self"; equivalent to --feed.
      TEMPEST_DEBUG_LOG      Path to a debug log file. When set, the live-stream
                             component writes timestamped state transitions to this
                             file (rotated daily). Unset by default — no file is
                             created and no output is produced.
      TEMPEST_DEBUG_LOG_LEVEL
                             DEBUG | INFO (default) | WARN. Overrides the log
                             verbosity when TEMPEST_DEBUG_LOG is enabled.
      TEMPEST_WATCHDOG_THRESHOLD
                             Seconds without a Jetstream event before the watchdog
                             forces a reconnect (default: 90).
      TEMPEST_WATCHDOG_INTERVAL
                             Seconds between watchdog checks (default: 30).
  HELP
end

.nil_if_empty(value) ⇒ Object 



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# File 'lib/tempest/cli.rb', line 142

def nil_if_empty(value)
  value.nil? || value.empty? ? nil : value
end

.opener_for(env:, system_proc: Kernel.method(:system)) ⇒ Object 



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# File 'lib/tempest/cli.rb', line 197

def opener_for(env:, system_proc: Kernel.method(:system))
  cmd = env["TEMPEST_OPEN_CMD"]
  return Tempest::REPL::Runner::DEFAULT_OPENER if cmd.nil? || cmd.empty?
  ->(url) { system_proc.call(cmd, url) }
end

.run(argv: ARGV, env: ENV, stdout: $stdout, stderr: $stderr, stdin: $stdin, session_factory: Tempest::Session.method(:create), store: nil) ⇒ Object 



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# File 'lib/tempest/cli.rb', line 24

def run(argv: ARGV, env: ENV, stdout: $stdout, stderr: $stderr, stdin: $stdin,
        session_factory: Tempest::Session.method(:create),
        store: nil)
  if argv.include?("--version") || argv.include?("-v")
    stdout.puts "tempest #{Tempest::VERSION}"
    return 0
  end

  if argv.include?("--help") || argv.include?("-h")
    stdout.puts help_text
    return 0
  end

  Tempest::REPL::Formatter.color = stdout.respond_to?(:tty?) && stdout.tty? && env["NO_COLOR"].to_s.empty?

  debug_logger = build_debug_logger(env)

  store ||= Tempest::SessionStore.new(path: Tempest::SessionStore.default_path(env))
  session = (env, stdout, stdin, session_factory, store: store)
  client = Tempest::XRPCClient.new(session)
  input = RelineReader.new

  handle_resolver = Tempest::HandleResolver.new(client: client)
  handle_resolver.seed(session.did, session.handle)

  mode = feed_mode(argv: argv, env: env)
  plan = build_subscription(
    mode: mode, session: session, client: client,
    handle_resolver: handle_resolver, stdout: stdout,
  )

  jetstream_client = Tempest::Jetstream::Client.new(
    wanted_collections: [
      "app.bsky.feed.post",
      "app.bsky.feed.like",
      "app.bsky.feed.repost",
    ],
    wanted_dids: plan.wanted_dids,
  )
  stream_manager = Tempest::Jetstream::StreamManager.new(
    client: jetstream_client,
    cursor_store: cursor_store(env),
    filter: plan.filter,
    logger: debug_logger,
  )
  watchdog = Tempest::Jetstream::Watchdog.new(
    stream_manager: stream_manager,
    logger: debug_logger,
    **watchdog_options(env),
  )

  stdout.puts "tempest #{Tempest::VERSION} — signed in as @#{session.handle}"
  stdout.puts "Type :help for commands, :quit to exit."

  screen = Tempest::REPL::Screen.new(io: stdout)
  screen.enable

  runner = Tempest::REPL::Runner.new(
    session: session,
    client: client,
    input: input,
    output: screen.enabled? ? screen : stdout,
    stream_output: screen.enabled? ? screen : Tempest::REPL::AsyncOutput.new(stdout),
    stream_manager: stream_manager,
    handle_resolver: handle_resolver,
    timeline_store: timeline_store(env),
    opener: opener_for(env: env),
  )

  begin
    runner.bootstrap_timeline

    if stream_default_on?(argv, env)
      runner.auto_start_stream
    end

    watchdog.start
    runner.run
    0
  ensure
    watchdog.stop
    screen.disable
  end
rescue Tempest::Config::MissingValue => e
  stderr.puts "configuration error: #{e.message}"
  stderr.puts "Set TEMPEST_IDENTIFIER and TEMPEST_APP_PASSWORD before launching."
  2
rescue Tempest::AuthenticationError => e
  stderr.puts "authentication failed: #{e.message}"
  3
rescue Tempest::Error => e
  stderr.puts "error: #{e.message}"
  1
end

.sign_in(env, stdout, stdin, session_factory, store:) ⇒ Object 



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# File 'lib/tempest/cli.rb', line 119

def (env, stdout, stdin, session_factory, store:)
  identifier_hint = nil_if_empty(env["TEMPEST_IDENTIFIER"])
  pds_host_hint = nil_if_empty(env["TEMPEST_PDS_HOST"])

  if (existing = store.load(identifier: identifier_hint, pds_host: pds_host_hint))
    attach_store(existing, store, existing.identifier || identifier_hint)
    begin
      existing.refresh!
      return existing
    rescue Tempest::Error => e
      existing.on_change = nil
      stdout.puts "[tempest] cached session refresh failed: #{e.message}"
      stdout.puts "[tempest] cache kept at #{store.path}; falling back to TEMPEST_IDENTIFIER/TEMPEST_APP_PASSWORD"
    end
  end

  config = Tempest::Config.from_env(env)
  session = create_with_2fa(config, env, stdout, stdin, session_factory)
  attach_store(session, store, config.identifier)
  store.save(session, identifier: config.identifier)
  session
end

.stream_default_on?(argv, env) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tempest/cli.rb', line 161

def stream_default_on?(argv, env)
  return false if argv.include?("--no-stream")
  return false if env["TEMPEST_NO_STREAM"] == "1"
  true
end

.timeline_store(env) ⇒ Object 



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# File 'lib/tempest/cli.rb', line 193

def timeline_store(env)
  Tempest::TimelineStore.new(path: Tempest::TimelineStore.default_path(env))
end

.watchdog_options(env) ⇒ Object

Parses TEMPEST_WATCHDOG_THRESHOLD / TEMPEST_WATCHDOG_INTERVAL into the keyword-hash shape Watchdog expects. Raises ArgumentError on garbage so a typo in env config fails loudly rather than silently degrading.



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# File 'lib/tempest/cli.rb', line 182

def watchdog_options(env)
  threshold = env["TEMPEST_WATCHDOG_THRESHOLD"]
  interval = env["TEMPEST_WATCHDOG_INTERVAL"]
  {
    threshold_seconds: threshold ? Integer(threshold) :
      Tempest::Jetstream::Watchdog::DEFAULT_THRESHOLD_SECONDS,
    interval_seconds: interval ? Integer(interval) :
      Tempest::Jetstream::Watchdog::DEFAULT_INTERVAL_SECONDS,
  }
end