Function planServiceInstall

apps/cli/src/daemon.ts:319–360

(input: {
  readonly registered: boolean;
  readonly running: boolean;
  readonly activeKind: "cli-daemon" | "desktop-sidecar" | "foreground" | null;
  readonly activePid?: number | null;
  readonly servicePid?: number | null;
  readonly activeVersion: string | null;
  readonly activeExecutablePath?: string | null;
  readonly activePort: number | null;
  readonly requestedPort: number;
  readonly currentVersion: string;
  readonly currentExecutablePath?: string | null;
})

export type ServiceInstallPlan = "noop" | "reinstall" | "takeover-then-install";

export const planServiceInstall = (input: {
  readonly registered: boolean;
  readonly running: boolean;
  readonly activeKind: "cli-daemon" | "desktop-sidecar" | "foreground" | null;
  readonly activePid?: number | null;
  readonly servicePid?: number | null;
  readonly activeVersion: string | null;
  readonly activeExecutablePath?: string | null;
  readonly activePort: number | null;
  readonly requestedPort: number;
  readonly currentVersion: string;
  readonly currentExecutablePath?: string | null;
}): ServiceInstallPlan => {
  if (input.activeKind !== null && input.activeKind !== "cli-daemon") {
    return "takeover-then-install";
  }

  if (input.registered && input.running) {
    if (
      input.activeKind === "cli-daemon" &&
      input.activePid !== undefined &&
      input.activePid !== null &&
      input.servicePid !== undefined &&
      input.servicePid !== null &&
      input.activePid !== input.servicePid
    ) {
      return "takeover-then-install";
    }

    const executableMatches =
      !input.activeExecutablePath ||
      !input.currentExecutablePath ||
      input.activeExecutablePath === input.currentExecutablePath;
    return input.activeVersion === input.currentVersion &&
      input.activePort === input.requestedPort &&
      executableMatches
      ? "noop"
      : "reinstall";
  }

  return "takeover-then-install";
};