Read from repository configs instead of hardcoding repos/arch for update

Sources/apk/Index/ApkIndexUpdate.swift

@@ -6,27 +6,15 @@
 import Foundation
 
 public struct ApkIndexUpdater {
-  var repositories: [String]
-  var architectures: [String]
+  public var repositories: [ApkIndexRepository]
 
   public init() {
-    self.repositories = [
-      "https://dl-cdn.alpinelinux.org/alpine/v3.20/main",
-      "https://dl-cdn.alpinelinux.org/alpine/v3.20/community"
-    ]
-    // other archs: "armhf", "armv7", "loongarch64", "ppc64le", "riscv64", "s390x", "x86"
-    self.architectures = [ "aarch64" /*, "x86_64" */ ]
+    self.repositories = []
   }
 
   public func update() {
-    let repositories = self.repositories.flatMap { repo in
-      self.architectures.map { arch in
-        ApkIndexRepository(name: repo, arch: arch)
-      }
-    }
-
     let downloader = ApkIndexDownloader()
-    for repo in repositories {
+    for repo in self.repositories {
       let localIndex = URL(filePath: repo.localName)
 #if false
       let shouldDownload = true
@@ -41,7 +29,7 @@ public struct ApkIndexUpdater {
 
     let graph: ApkPackageGraph
     do {
-      let tables = try repositories.map { try readIndex(URL(filePath: $0.localName)) }
+      let tables = try self.repositories.map { try readIndex(URL(filePath: $0.localName)) }
       graph = ApkPackageGraph(index: ApkIndex.merge(tables))
       graph.buildGraphNode()
 

Sources/dpk-cli/RepositoriesConfig.swift

@@ -0,0 +1,47 @@
+/*
+ * darwin-apk © 2024 Gay Pizza Specifications
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import Foundation
+import ArgumentParser
+import darwin_apk
+
+struct RepositoriesConfig {
+  let repositories: [ApkIndexRepository]
+
+  init() async throws(ExitCode) {
+    let repositories: [String], architectures: [String]
+    do {
+      repositories = try await Self.read(name: "repositories")
+    } catch {
+      print("Failed to read repositories: \(error.localizedDescription)")
+      throw .failure
+    }
+    do {
+      architectures = try await Self.read(name: "arch")
+    } catch {
+      print("Failed to read arch: \(error.localizedDescription)")
+      throw .failure
+    }
+
+    self.repositories = repositories.flatMap { repo in
+      architectures.map { arch in
+        ApkIndexRepository(name: repo, arch: arch)
+      }
+    }
+  }
+
+  var localRepositories: [URL] {
+    self.repositories.map { repo in
+      URL(filePath: repo.localName, directoryHint: .notDirectory)
+    }
+  }
+
+  private static func read(name: String) async throws -> [String] {
+    try await URL(filePath: name, directoryHint: .notDirectory).lines
+      .map { $0.trimmingCharacters(in: .whitespaces) }
+      .filter { !$0.isEmpty && $0.first != "#" }  // Ignore empty & commented lines
+      .reduce(into: [String]()) { $0.append($1) }
+  }
+}

Sources/dpk-cli/Subcommands/DpkSearchCommand.swift

@@ -41,25 +41,7 @@ struct DpkSearchCommand: AsyncParsableCommand {
     let match: any PatternMatcher
     match = try matcher.init(patterns: patterns, ignoreCase: !self.caseSensitive)
 
-    let repositories: [String], architectures: [String]
-    do {
-      repositories = try await PropertyFile.read(name: "repositories")
-    } catch {
-      print("Failed to read repositories: \(error.localizedDescription)")
-      throw .failure
-    }
-    do {
-      architectures = try await PropertyFile.read(name: "arch")
-    } catch {
-      print("Failed to read arch: \(error.localizedDescription)")
-      throw .failure
-    }
-
-    let localRepositories = repositories.flatMap { repo in
-      architectures.map { arch in
-        URL(filePath: ApkIndexRepository(name: repo, arch: arch).localName, directoryHint: .notDirectory)
-      }
-    }
+    let localRepositories = try await RepositoriesConfig().localRepositories
     let index: ApkIndex
     do {
       index = ApkIndex.merge(try localRepositories.map(ApkIndex.init))
@@ -75,12 +57,3 @@ struct DpkSearchCommand: AsyncParsableCommand {
     }
   }
 }
-
-struct PropertyFile {
-  static func read(name: String) async throws -> [String] {
-    try await URL(filePath: name, directoryHint: .notDirectory).lines
-      .map { $0.trimmingCharacters(in: .whitespaces) }
-      .filter { !$0.isEmpty && $0.first != "#" }  // Ignore empty & commented lines
-      .reduce(into: [String]()) { $0.append($1) }
-  }
-}

Sources/dpk-cli/Subcommands/DpkUpdateCommand.swift

@@ -7,15 +7,17 @@ import Foundation
 import ArgumentParser
 import darwin_apk
 
-struct DpkUpdateCommand: ParsableCommand {
+struct DpkUpdateCommand: AsyncParsableCommand {
   static let configuration = CommandConfiguration(
     commandName: "update",
     abstract: "Update the system package repositories.",
     aliases: [ "u" ])
 
-  func run() throws {
+  func run() async throws {
     print("Updating package repositories")
+    let repositories = try await RepositoriesConfig().repositories
     var updater = ApkIndexUpdater()
+    updater.repositories.append(contentsOf: repositories)
     updater.update()
   }
 }