convert toplevel unidocd command to subcommand

Package.swift

@@ -99,7 +99,7 @@ let package:Package = .init(
 
         // .package(url: "https://github.com/apple/swift-argument-parser", .upToNextMinor(
         //     from: "1.5.0")),
-        .package(url: "https://github.com/apple/swift-argument-parser", branch: "main"),
+        .package(url: "https://github.com/apple/swift-argument-parser", .upToNextMinor(from: "1.5.1")),
         .package(url: "https://github.com/apple/swift-atomics", .upToNextMinor(
             from: "1.2.0")),
         .package(url: "https://github.com/apple/swift-collections", .upToNextMinor(

Sources/UnidocCLI/Regex (ext).swift

@@ -1,6 +1,6 @@
 import ArgumentParser
 
-extension Regex<Substring>:@retroactive ExpressibleByArgument, @retroactive _SendableMetatype
+extension Regex<Substring>:@retroactive ExpressibleByArgument
 {
     @inlinable public
     init?(argument:String)

Sources/ssgc/Main.swift

@@ -2,7 +2,7 @@ import ArgumentParser
 import SymbolGraphBuilder
 
 @main
-struct Main:ParsableCommand
+struct Main:AsyncParsableCommand
 {
     static var configuration:CommandConfiguration
     {

Sources/unidocd/Main.swift

@@ -1,192 +1,13 @@
-#if canImport(Darwin)
-@preconcurrency import Darwin
-#elseif canImport(Glibc)
-@preconcurrency import Glibc
-#endif
 
 import ArgumentParser
-import HTTPClient
-import NIOCore
-import NIOSSL
-import Symbols
-import SystemIO
 import SymbolGraphBuilder
-import UnidocClient
 
-struct Main
-{
-    @Option(
-        name: [.customLong("swiftinit"), .customShort("S")],
-        help: """
-            The API key for the Unidoc server running on swiftinit.org, \
-            also sets the host and port to the production values
-            """)
-    var authorizationSwiftinit:String?
-
-    @Option(
-        name: [.customLong("authorization"), .customShort("i")],
-        help: "The API key for the Unidoc server")
-    var authorization:String?
-
-    @Option(
-        name: [.customLong("host"), .customShort("h")],
-        help: "The name of a host running a compatible instance of unidoc")
-    var host:String = "localhost"
-
-    @Option(
-        name: [.customLong("port"), .customShort("p")],
-        help: "The number of a port bound to a compatible instance of unidoc")
-    var port:Int = 8443
-
-    @Option(
-        name: [.customLong("swift-toolchain"), .customShort("u")],
-        help: "The path to a Swift toolchain directory, usually ending in 'usr'",
-        completion: .directory)
-    var toolchain:FilePath.Directory = "/home/ubuntu/6.1.2/aarch64/usr"
-
-    @Option(
-        name: [.customLong("swift-sdk"), .customShort("k")],
-        help: "The Swift SDK to use")
-    var sdk:SSGC.AppleSDK?
-
-    @Flag(
-        name: [.customLong("pretty"), .customShort("o")],
-        help: "Tell lib/SymbolGraphGen to pretty-print the JSON output, if possible")
-    var pretty:Bool = false
-
-    @Flag(
-        name: [.customLong("init-stdlib")],
-        help: "Generate and upload the standard library documentation")
-    var initStandardLibrary:Bool = false
-}
-extension Main
-{
-    private mutating
-    func normalize()
-    {
-        if  let authorization:String = self.authorizationSwiftinit,
-            case nil = self.authorization
-        {
-            self.authorization = authorization
-            self.host = "swiftinit.org"
-            self.port = 443
-        }
-
-        #if os(macOS)
-
-        //  Guess the SDK if not specified.
-        self.sdk = self.sdk ?? .macOS
-
-        #endif
-    }
-
-    private
-    var client:Unidoc.Client<HTTP.Client2>
-    {
-        get throws
-        {
-            var configuration:TLSConfiguration = .makeClientConfiguration()
-            configuration.applicationProtocols = ["h2"]
-
-            //  If we are not using the default port, we are probably running locally.
-            if  self.port != 443
-            {
-                configuration.certificateVerification = .none
-            }
-
-            return .init(authorization: self.authorization,
-                pretty: self.pretty,
-                http: .init(threads: .singleton,
-                    niossl: try .init(configuration: configuration),
-                    remote: self.host),
-                port: self.port)
-        }
-    }
-
-    private
-    var triple:Symbol.Triple
-    {
-        get throws
-        {
-            let tools:SSGC.Toolchain.Paths = .init(swiftPM: nil, usr: self.toolchain)
-            let splash:SSGC.Toolchain.Splash = try .init(running: tools.swiftCommand)
-            return splash.triple
-        }
-    }
-}
 @main
-extension Main:AsyncParsableCommand
+struct Main:AsyncParsableCommand
 {
     static var configuration:CommandConfiguration
     {
         .init(commandName: "unidocd",
-            subcommands: [SSGC.BuildCommand.self, SSGC.SlaveCommand.self])
-    }
-
-    mutating
-    func run() async throws
-    {
-        self.normalize()
-
-        NIOSingletons.groupLoopCountSuggestion = 2
-        setlinebuf(stdout)
-
-        let unidoc:Unidoc.Client<HTTP.Client2> = try self.client
-        let triple:Symbol.Triple = try self.triple
-        let cache:FilePath = "swiftpm"
-
-        print("Connecting to \(self.host):\(self.port)...")
-
-        if  self.initStandardLibrary
-        {
-            let toolchain:Unidoc.Toolchain = .init(usr: self.toolchain, sdk: self.sdk)
-            try await unidoc.buildAndUpload(local: nil,
-                name: "swift",
-                type: .package,
-                with: toolchain)
-        }
-
-        while true
-        {
-            //  Don’t run too hot if the network is down.
-            async
-            let cooldown:Void = try await Task.sleep(for: .seconds(5))
-
-            do
-            {
-                let labels:Unidoc.BuildLabels? = try await unidoc.connect
-                {
-                    try await $0.subscribe(to: triple)
-                }
-
-                if  let labels:Unidoc.BuildLabels
-                {
-                    print("""
-                        Building package '\(labels.package)' at '\(labels.ref)' \
-                        (\(labels.coordinate))
-                        """)
-
-                    let toolchain:Unidoc.Toolchain = .init(usr: self.toolchain, sdk: self.sdk)
-                    /// As this runs continuously, we should remove the build artifacts
-                    /// afterwards, to avoid filling up the disk. We must also remove the cloned
-                    /// repository, as it may experience name conflicts on long timescales.
-                    try await unidoc.buildAndUpload(
-                        labels: labels,
-                        remove: true,
-                        with: toolchain,
-                        cache: cache)
-                }
-                else
-                {
-                    print("Heartbeat received; no packages to build.")
-                }
-            }
-            catch let error
-            {
-                print("Error: \(error)")
-            }
-
-            try await cooldown
-        }
+            subcommands: [UpCommand.self, SSGC.BuildCommand.self, SSGC.SlaveCommand.self])
     }
 }