Merge pull request #191 from mas-cli/uninstall

🗑 Uninstall command

App/mas-cli-Bridging-Header.h

@@ -1,36 +0,0 @@
-//
-//  mas-cli-Bridging-Header.h
-//  mas-cli
-//
-//  Created by Andrew Naylor on 11/07/2015.
-//  Copyright © 2015 Andrew Naylor. All rights reserved.
-//
-
-#ifndef mas_cli_Bridging_Header_h
-#define mas_cli_Bridging_Header_h
-
-@import Foundation;
-
-//#import <StoreFoundation/ISStoreAccount.h>
-//
-//#import <CommerceKit/CKAccountStore.h>
-//#import <CommerceKit/CKDownloadQueue.h>
-//#import <CommerceKit/CKPurchaseController.h>
-//#import <CommerceKit/CKSoftwareMap.h>
-//#import <CommerceKit/CKUpdateController.h>
-//
-//#import <StoreFoundation/CKUpdate.h>
-//#import <StoreFoundation/SSDownload.h>
-//#import <StoreFoundation/SSDownloadMetadata.h>
-//#import <StoreFoundation/SSDownloadPhase.h>
-//#import <StoreFoundation/SSDownloadStatus.h>
-//#import <StoreFoundation/SSPurchaseResponse.h>
-//#import <StoreFoundation/ISStoreClient.h>
-//#import <StoreFoundation/ISAuthenticationContext.h>
-//#import <StoreFoundation/ISAuthenticationResponse.h>
-//#import <StoreFoundation/ISServiceRemoteObject-Protocol.h>
-//#import <StoreFoundation/ISAccountService-Protocol.h>
-//#import "ISAccountService-Protocol.h"
-//#import <StoreFoundation/ISServiceProxy.h>
-
-#endif /* mas_cli_Bridging_Header_h */

CHANGELOG.md

@@ -7,7 +7,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
-
+- ✨🗑 `uninstall` command #81, #191
 
 ## [v1.4.4] 🧹 Cleanup - 2018-12-19
 

Homebrew/mas-tap.rb

@@ -13,10 +13,9 @@ class Mas < Formula
     sha256 "237fd7270cb8f0d68a33e7ce05671a2e5c269d05d736abb0f66b50215439084e" => :high_sierra
     sha256 "237fd7270cb8f0d68a33e7ce05671a2e5c269d05d736abb0f66b50215439084e" => :sierra
     sha256 "237fd7270cb8f0d68a33e7ce05671a2e5c269d05d736abb0f66b50215439084e" => :el_capitan
-    sha256 "237fd7270cb8f0d68a33e7ce05671a2e5c269d05d736abb0f66b50215439084e" => :yosemite
-    sha256 "237fd7270cb8f0d68a33e7ce05671a2e5c269d05d736abb0f66b50215439084e" => :mavericks
   end
 
+  depends_on "trash"
   depends_on "carthage" => :build
   depends_on :xcode => ["10.1", :build]
 

Homebrew/mas.rb

@@ -12,6 +12,7 @@ class Mas < Formula
     sha256 "fc6658113d785a660e3f4d2e4e134ad02fe003ffa7d69271a2c53f503aaae726" => :high_sierra
   end
 
+  depends_on "trash"
   depends_on "carthage" => :build
   depends_on :xcode => ["10.1", :build]
 

MasKit/AppLibrary.swift

@@ -0,0 +1,22 @@
+//
+//  AppLibrary.swift
+//  MasKit
+//
+//  Created by Ben Chatelain on 12/27/18.
+//  Copyright © 2018 mas-cli. All rights reserved.
+//
+
+/// Utility for managing installed apps.
+public protocol AppLibrary {
+    /// Finds an app by ID from the set of installed apps
+    ///
+    /// - Parameter appId: MAS ID for app.
+    /// - Returns: Software Product of app if found; nil otherwise.
+    func installedApp(appId: UInt64) -> SoftwareProduct?
+
+    /// Uninstalls an app.
+    ///
+    /// - Parameter app: App to be removed.
+    /// - Throws: Error if there is a problem.
+    func uninstallApp(app: SoftwareProduct) throws
+}

MasKit/AppStore/CKSoftwareProduct+SoftwareProduct.swift

@@ -0,0 +1,12 @@
+//
+//  File.swift
+//  MasKit
+//
+//  Created by Ben Chatelain on 12/27/18.
+//  Copyright © 2018 mas-cli. All rights reserved.
+//
+
+import StoreFoundation
+
+// MARK: - SoftwareProduct
+extension CKSoftwareProduct: SoftwareProduct {}

MasKit/Commands/Install.swift

@@ -16,15 +16,15 @@ public struct InstallCommand: CommandProtocol {
     public let function = "Install from the Mac App Store"
 
     public init() {}
-    
+
     public func run(_ options: Options) -> Result<(), MASError> {
         // Try to download applications with given identifiers and collect results
         let downloadResults = options.appIds.compactMap { (appId) -> MASError? in
-            if let product = installedApp(appId) , !options.forceInstall {
+            if let product = installedApp(appId), !options.forceInstall {
                 printWarning("\(product.appName) is already installed")
                 return nil
             }
-            
+
             return download(appId)
         }
 
@@ -37,10 +37,10 @@ public struct InstallCommand: CommandProtocol {
             return .failure(.downloadFailed(error: nil))
         }
     }
-    
+
     fileprivate func installedApp(_ appId: UInt64) -> CKSoftwareProduct? {
         let appId = NSNumber(value: appId)
-        
+
         let softwareMap = CKSoftwareMap.shared()
         return softwareMap.allProducts()?.first { $0.itemIdentifier == appId }
     }

MasKit/Commands/Lucky.swift

@@ -8,7 +8,6 @@
 
 import Commandant
 import Result
-
 import CommerceKit
 
 public struct LuckyCommand: CommandProtocol {

MasKit/Commands/Reset.swift

@@ -16,7 +16,7 @@ public struct ResetCommand: CommandProtocol {
     public let function = "Resets the Mac App Store"
 
     public init() {}
-    
+
     public func run(_ options: Options) -> Result<(), MASError> {
         /*
         The "Reset Application" command in the Mac App Store debug menu performs
@@ -26,7 +26,7 @@ public struct ResetCommand: CommandProtocol {
          - killall storeagent (storeagent no longer exists)
          - rm com.apple.appstore download directory
          - clear cookies (appears to be a no-op)
-         
+
         As storeagent no longer exists we will implement a slight variant and kill all
         App Store-associated processes
          - storeaccountd
@@ -35,7 +35,7 @@ public struct ResetCommand: CommandProtocol {
          - storeinstalld
          - storelegacy
         */
-        
+
         // Kill processes
         let killProcs = [
             "Dock",
@@ -45,24 +45,24 @@ public struct ResetCommand: CommandProtocol {
             "storeinstalld",
             "storelegacy",
         ]
-        
+
         let kill = Process()
         let stdout = Pipe()
         let stderr = Pipe()
-        
+
         kill.launchPath = "/usr/bin/killall"
         kill.arguments = killProcs
         kill.standardOutput = stdout
         kill.standardError = stderr
-        
+
         kill.launch()
         kill.waitUntilExit()
-        
+
         if kill.terminationStatus != 0 && options.debug {
             let output = stderr.fileHandleForReading.readDataToEndOfFile()
             printInfo("killall  failed:\r\n\(String(data: output, encoding: String.Encoding.utf8)!)")
         }
-        
+
         // Wipe Download Directory
         if let directory = CKDownloadDirectory(nil) {
             do {

MasKit/Commands/Search.swift

@@ -18,6 +18,8 @@ struct ResultKeys {
     static let Price = "price"
 }
 
+/// Search the Mac App Store using the iTunes Search API:
+/// https://affiliate.itunes.apple.com/resources/documentation/itunes-store-web-service-search-api/
 public struct SearchCommand: CommandProtocol {
     public typealias Options = SearchOptions
     public let verb = "search"

MasKit/Commands/Uninstall.swift

@@ -0,0 +1,77 @@
+//
+//  Upgrade.swift
+//  mas-cli
+//
+//  Created by Ben Chatelain on 2018-12-27.
+//  Copyright © 2015 Andrew Naylor. All rights reserved.
+//
+
+import Commandant
+import Result
+import CommerceKit
+import StoreFoundation
+
+/// Command which uninstalls apps managed by the Mac App Store.
+public struct UninstallCommand: CommandProtocol {
+    public typealias Options = UninstallOptions
+    public let verb = "uninstall"
+    public let function = "Uninstall app installed from the Mac App Store"
+
+    private let appLibrary: AppLibrary
+
+    /// Designated initializer.
+    ///
+    /// - Parameter appLibrary: <#appLibrary description#>
+    public init(appLibrary: AppLibrary = MasAppLibrary()) {
+        self.appLibrary = appLibrary
+    }
+
+    /// Runs the uninstall command.
+    ///
+    /// - Parameter options: UninstallOptions (arguments) for this command
+    /// - Returns: Success or an error.
+    public func run(_ options: Options) -> Result<(), MASError> {
+        let appId = UInt64(options.appId)
+
+        guard let product = appLibrary.installedApp(appId: appId) else {
+            return .failure(.notInstalled)
+        }
+
+        if options.dryRun {
+            printInfo("\(product.appName) \(product.bundlePath)")
+            printInfo("(not removed, dry run)")
+
+            return .success(())
+        }
+
+        do {
+            try appLibrary.uninstallApp(app: product)
+        }
+        catch {
+            return .failure(.uninstallFailed)
+        }
+
+        return .success(())
+    }
+}
+
+/// Options for the uninstall command.
+public struct UninstallOptions: OptionsProtocol {
+    /// Numeric app ID
+    let appId: Int
+
+    /// Flag indicating that removal shouldn't be performed
+    let dryRun: Bool
+
+    static func create(_ appId: Int) -> (_ dryRun: Bool) -> UninstallOptions {
+        return { dryRun in
+            return UninstallOptions(appId: appId, dryRun: dryRun)
+        }
+    }
+
+    public static func evaluate(_ m: CommandMode) -> Result<UninstallOptions, CommandantError<MASError>> {
+        return create
+            <*> m <| Argument(usage: "ID of app to uninstall")
+            <*> m <| Switch(flag: nil, key: "dry-run", usage: "dry run")
+    }
+}

MasKit/MASError.swift

@@ -22,6 +22,9 @@ public enum MASError: Error, CustomStringConvertible, Equatable {
     case searchFailed
     case noSearchResultsFound
 
+    case notInstalled
+    case uninstallFailed
+
     public var description: String {
         switch self {
         case .notSignedIn:
@@ -67,7 +70,13 @@ public enum MASError: Error, CustomStringConvertible, Equatable {
             return "Search failed"
 
         case .noSearchResultsFound:
-            return "No results found"            
+            return "No results found"
+
+        case .notInstalled:
+            return "Not installed"
+
+        case .uninstallFailed:
+            return "Uninstall failed"
         }
     }
 }

MasKit/MasAppLibrary.swift

@@ -0,0 +1,78 @@
+//
+//  MasAppLibrary.swift
+//  MasKit
+//
+//  Created by Ben Chatelain on 12/27/18.
+//  Copyright © 2018 mas-cli. All rights reserved.
+//
+
+import CommerceKit
+
+/// Utility for managing installed apps.
+public class MasAppLibrary: AppLibrary {
+    /// CommerceKit's singleton manager of installed software.
+    private let softwareMap = CKSoftwareMap.shared()
+
+    public init() {}
+
+    /// Finds an app by ID from the set of installed apps
+    ///
+    /// - Parameter appId: MAS ID for app.
+    /// - Returns: Software Product of app if found; nil otherwise.
+    public func installedApp(appId: UInt64) -> SoftwareProduct? {
+        let appId = NSNumber(value: appId)
+        return softwareMap.allProducts()?.first { $0.itemIdentifier == appId }
+    }
+
+    /// Uninstalls an app.
+    ///
+    /// - Parameter app: App to be removed.
+    /// - Throws: Error if there is a problem.
+    public func uninstallApp(app: SoftwareProduct) throws {
+        let status = trash(path: app.bundlePath)
+        if !status {
+            throw MASError.uninstallFailed
+        }
+    }
+
+    /// Runs the trash command in another process. Relies on the "trash" command
+    /// from Homebrew. Trash requires el_capitan or higher for core bottles:
+    /// https://github.com/Homebrew/homebrew-core/blob/master/Formula/trash.rb
+    ///
+    /// - Parameter path: Absolute path to the application bundle to uninstall.
+    /// - Returns: true on success; fail on error
+    func trash(path: String) -> Bool {
+        let binaryPath = "/usr/local/bin/trash"
+        let process = Process()
+        let stdout = Pipe()
+        let stderr = Pipe()
+
+        process.standardOutput = stdout
+        process.standardError = stderr
+        process.arguments = [path]
+
+        if #available(OSX 10.13, *) {
+            process.executableURL = URL(fileURLWithPath: binaryPath)
+            do {
+                try process.run()
+            } catch {
+                printError("Unable to launch trash command")
+                return false
+            }
+        } else {
+            process.launchPath = binaryPath
+            process.launch()
+        }
+
+        process.waitUntilExit()
+
+        if process.terminationStatus == 0 {
+            return true
+        } else {
+            let reason = process.terminationReason
+            let output = stderr.fileHandleForReading.readDataToEndOfFile()
+            printError("Uninstall failed: \(reason)\n\(String(data: output, encoding: .utf8)!)")
+            return false
+        }
+    }
+}

MasKit/MasKit.h

@@ -6,8 +6,6 @@
 //  Copyright © 2018 Andrew Naylor. All rights reserved.
 //
 
-@import CommerceKit;
-@import StoreFoundation;
 @import Cocoa;
 
 //! Project version number for MasKit.

MasKit/SoftwareProduct.swift

@@ -0,0 +1,14 @@
+//
+//  SoftwareProduct.swift
+//  MasKit
+//
+//  Created by Ben Chatelain on 12/27/18.
+//  Copyright © 2018 mas-cli. All rights reserved.
+//
+
+/// Protocol describing the members of CKSoftwareProduct used throughout MasKit.
+public protocol SoftwareProduct {
+    var appName: String { get }
+    var bundlePath: String { get set }
+    var itemIdentifier: NSNumber { get set }
+}

MasKitTests/Commands/ListCommandSpec.swift

@@ -0,0 +1,25 @@
+//
+//  ListCommandSpec.swift
+//  MasKitTests
+//
+//  Created by Ben Chatelain on 2018-12-27.
+//  Copyright © 2018 mas-cli. All rights reserved.
+//
+
+@testable import MasKit
+import Result
+import Quick
+import Nimble
+
+class ListCommandSpec: QuickSpec {
+    override func spec() {
+        describe("list command") {
+            it("lists stuff") {
+                let list = ListCommand()
+                let result = list.run(ListCommand.Options())
+                print(result)
+//                expect(result).to(beSuccess())
+            }
+        }
+    }
+}

MasKitTests/Commands/SearchSpec.swift

@@ -60,26 +60,3 @@ class SearchSpec: QuickSpec {
         }
     }
 }
-
-/// Nimble predicate for result enum success case, no associated value
-private func beSuccess() -> Predicate<Result<(), MASError>> {
-    return Predicate.define("be <success>") { expression, message in
-        if let actual = try expression.evaluate(),
-                case .success = actual {
-            return PredicateResult(status: .matches, message: message)
-        }
-        return PredicateResult(status: .fail, message: message)
-    }
-}
-
-/// Nimble predicate for result enum failure with associated error
-private func beFailure(test: @escaping (MASError) -> Void = { _ in }) -> Predicate<Result<(), MASError>> {
-    return Predicate.define("be <failure>") { expression, message in
-        if let actual = try expression.evaluate(),
-                case let .failure(error) = actual {
-            test(error)
-            return PredicateResult(status: .matches, message: message)
-        }
-        return PredicateResult(status: .fail, message: message)
-    }
-}

MasKitTests/Commands/UninstallCommandSpec.swift

@@ -0,0 +1,75 @@
+//
+//  UninstallCommandSpec.swift
+//  MasKitTests
+//
+//  Created by Ben Chatelain on 2018-12-27.
+//  Copyright © 2018 mas-cli. All rights reserved.
+//
+
+@testable import MasKit
+import Result
+import Quick
+import Nimble
+
+class UninstallCommandSpec: QuickSpec {
+    override func spec() {
+        describe("uninstall command") {
+            let appId = 12345
+            let app = MockSoftwareProduct(
+                appName: "Some App",
+                bundlePath: "/tmp/Some.app",
+                itemIdentifier: NSNumber(value: appId)
+            )
+            let mockLibrary = MockAppLibrary()
+            let uninstall = UninstallCommand(appLibrary: mockLibrary)
+
+            context("dry run") {
+                let options = UninstallCommand.Options(appId: appId, dryRun: true)
+
+                it("can't remove a missing app") {
+                    mockLibrary.apps = []
+
+                    let result = uninstall.run(options)
+                    expect(result).to(beFailure { error in
+                        expect(error) == .notInstalled
+                    })
+                }
+                it("finds an app") {
+                    mockLibrary.apps.append(app)
+
+                    let result = uninstall.run(options)
+                    expect(result).to(beSuccess())
+                }
+            }
+            context("wet run") {
+                let options = UninstallCommand.Options(appId: appId, dryRun: false)
+
+                it("can't remove a missing app") {
+                    mockLibrary.apps = []
+
+                    let result = uninstall.run(options)
+                    expect(result).to(beFailure { error in
+                        expect(error) == .notInstalled
+                    })
+                }
+                it("removes an app") {
+                    mockLibrary.apps.append(app)
+
+                    let result = uninstall.run(options)
+                    expect(result).to(beSuccess())
+                }
+                it("fails if there is a problem with the trash command") {
+                    mockLibrary.apps = []
+                    var brokenUninstall = app // make mutable copy
+                    brokenUninstall.bundlePath = "/dev/null"
+                    mockLibrary.apps.append(brokenUninstall)
+
+                    let result = uninstall.run(options)
+                    expect(result).to(beFailure { error in
+                        expect(error) == .uninstallFailed
+                    })
+                }
+            }
+        }
+    }
+}

MasKitTests/MASErrorTestCase.swift

@@ -98,4 +98,14 @@ class MASErrorTestCase: XCTestCase {
         error = .noSearchResultsFound
         XCTAssertEqual(error.description, "No results found")
     }
+
+    func testNotInstalled() {
+        error = .notInstalled
+        XCTAssertEqual(error.description, "Not installed")
+    }
+
+    func testUninstallFailed() {
+        error = .uninstallFailed
+        XCTAssertEqual(error.description, "Uninstall failed")
+    }
 }

MasKitTests/Mocks/MockAppLibrary.swift

@@ -0,0 +1,30 @@
+//
+//  MockAppLibrary.swift
+//  MasKitTests
+//
+//  Created by Ben Chatelain on 12/27/18.
+//  Copyright © 2018 mas-cli. All rights reserved.
+//
+
+@testable import MasKit
+
+class MockAppLibrary: AppLibrary {
+    var apps = [SoftwareProduct]()
+
+    func installedApp(appId: UInt64) -> SoftwareProduct? {
+        return apps.first { $0.itemIdentifier == NSNumber(value: appId) }
+    }
+
+    func uninstallApp(app: SoftwareProduct) throws {
+        if !apps.contains(where: { (product) -> Bool in
+            return app.itemIdentifier == product.itemIdentifier
+        }) { throw MASError.notInstalled }
+
+        // Special case for testing where we pretend the trash command failed
+        if app.bundlePath == "/dev/null" {
+            throw MASError.uninstallFailed
+        }
+
+        // Success is the default, watch out for false positives!
+    }
+}

MasKitTests/Mocks/MockSoftwareProduct.swift

@@ -0,0 +1,15 @@
+//
+//  MockSoftwareProduct.swift
+//  MasKitTests
+//
+//  Created by Ben Chatelain on 12/27/18.
+//  Copyright © 2018 mas-cli. All rights reserved.
+//
+
+@testable import MasKit
+
+struct MockSoftwareProduct: SoftwareProduct {
+    var appName: String
+    var bundlePath: String
+    var itemIdentifier: NSNumber
+}

MasKitTests/ResultPredicates.swift

@@ -0,0 +1,34 @@
+//
+//  ResultPreticates.swift
+//  MasKitTests
+//
+//  Created by Ben Chatelain on 12/27/18.
+//  Copyright © 2018 mas-cli. All rights reserved.
+//
+
+@testable import MasKit
+import Result
+import Nimble
+
+/// Nimble predicate for result enum success case, no associated value
+func beSuccess() -> Predicate<Result<(), MASError>> {
+    return Predicate.define("be <success>") { expression, message in
+        if let actual = try expression.evaluate(),
+            case .success = actual {
+            return PredicateResult(status: .matches, message: message)
+        }
+        return PredicateResult(status: .fail, message: message)
+    }
+}
+
+/// Nimble predicate for result enum failure with associated error
+func beFailure(test: @escaping (MASError) -> Void = { _ in }) -> Predicate<Result<(), MASError>> {
+    return Predicate.define("be <failure>") { expression, message in
+        if let actual = try expression.evaluate(),
+            case let .failure(error) = actual {
+            test(error)
+            return PredicateResult(status: .matches, message: message)
+        }
+        return PredicateResult(status: .fail, message: message)
+    }
+}

mas-cli.xcodeproj/project.pbxproj

@@ -21,6 +21,16 @@
 		B5552937219A23FF00ACB4CA /* Quick.framework in Copy Carthage Frameworks */ = {isa = PBXBuildFile; fileRef = 90CB406A213F4DDD0044E445 /* Quick.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		B5793E29219BDD4800135B39 /* JSON in Resources */ = {isa = PBXBuildFile; fileRef = B5793E28219BDD4800135B39 /* JSON */; };
 		B5793E2B219BE0CD00135B39 /* MockURLSession.swift in Sources */ = {isa = PBXBuildFile; fileRef = B5793E2A219BE0CD00135B39 /* MockURLSession.swift */; };
+		B594B12021D53A8200F3AC59 /* Uninstall.swift in Sources */ = {isa = PBXBuildFile; fileRef = B594B11F21D53A8200F3AC59 /* Uninstall.swift */; };
+		B594B12221D5416100F3AC59 /* ListCommandSpec.swift in Sources */ = {isa = PBXBuildFile; fileRef = B594B12121D5416100F3AC59 /* ListCommandSpec.swift */; };
+		B594B12521D580BB00F3AC59 /* UninstallCommandSpec.swift in Sources */ = {isa = PBXBuildFile; fileRef = B594B12421D580BB00F3AC59 /* UninstallCommandSpec.swift */; };
+		B594B12721D5825800F3AC59 /* AppLibrary.swift in Sources */ = {isa = PBXBuildFile; fileRef = B594B12621D5825800F3AC59 /* AppLibrary.swift */; };
+		B594B12921D5831D00F3AC59 /* SoftwareProduct.swift in Sources */ = {isa = PBXBuildFile; fileRef = B594B12821D5831D00F3AC59 /* SoftwareProduct.swift */; };
+		B594B12B21D5837200F3AC59 /* CKSoftwareProduct+SoftwareProduct.swift in Sources */ = {isa = PBXBuildFile; fileRef = B594B12A21D5837200F3AC59 /* CKSoftwareProduct+SoftwareProduct.swift */; };
+		B594B12E21D5850700F3AC59 /* MockAppLibrary.swift in Sources */ = {isa = PBXBuildFile; fileRef = B594B12D21D5850700F3AC59 /* MockAppLibrary.swift */; };
+		B594B13021D5855D00F3AC59 /* MasAppLibrary.swift in Sources */ = {isa = PBXBuildFile; fileRef = B594B12F21D5855D00F3AC59 /* MasAppLibrary.swift */; };
+		B594B13221D5876200F3AC59 /* ResultPredicates.swift in Sources */ = {isa = PBXBuildFile; fileRef = B594B13121D5876200F3AC59 /* ResultPredicates.swift */; };
+		B594B13421D5897100F3AC59 /* MockSoftwareProduct.swift in Sources */ = {isa = PBXBuildFile; fileRef = B594B13321D5897100F3AC59 /* MockSoftwareProduct.swift */; };
 		ED031A7C1B5127C00097692E /* main.swift in Sources */ = {isa = PBXBuildFile; fileRef = ED031A7B1B5127C00097692E /* main.swift */; };
 		F83213892173D3E1008BA8A0 /* CKAccountStore.h in Headers */ = {isa = PBXBuildFile; fileRef = F8FB719B20F2EC4500F56FDC /* CKAccountStore.h */; };
 		F832138A2173D3E1008BA8A0 /* CKDownloadQueue.h in Headers */ = {isa = PBXBuildFile; fileRef = F8FB719C20F2EC4500F56FDC /* CKDownloadQueue.h */; };
@@ -156,6 +166,16 @@
 		B555292C219A1FE700ACB4CA /* SearchSpec.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SearchSpec.swift; sourceTree = "<group>"; };
 		B5793E28219BDD4800135B39 /* JSON */ = {isa = PBXFileReference; lastKnownFileType = folder; path = JSON; sourceTree = "<group>"; };
 		B5793E2A219BE0CD00135B39 /* MockURLSession.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MockURLSession.swift; sourceTree = "<group>"; };
+		B594B11F21D53A8200F3AC59 /* Uninstall.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Uninstall.swift; sourceTree = "<group>"; };
+		B594B12121D5416100F3AC59 /* ListCommandSpec.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ListCommandSpec.swift; sourceTree = "<group>"; };
+		B594B12421D580BB00F3AC59 /* UninstallCommandSpec.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = UninstallCommandSpec.swift; sourceTree = "<group>"; };
+		B594B12621D5825800F3AC59 /* AppLibrary.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppLibrary.swift; sourceTree = "<group>"; };
+		B594B12821D5831D00F3AC59 /* SoftwareProduct.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SoftwareProduct.swift; sourceTree = "<group>"; };
+		B594B12A21D5837200F3AC59 /* CKSoftwareProduct+SoftwareProduct.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "CKSoftwareProduct+SoftwareProduct.swift"; sourceTree = "<group>"; };
+		B594B12D21D5850700F3AC59 /* MockAppLibrary.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MockAppLibrary.swift; sourceTree = "<group>"; };
+		B594B12F21D5855D00F3AC59 /* MasAppLibrary.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MasAppLibrary.swift; sourceTree = "<group>"; };
+		B594B13121D5876200F3AC59 /* ResultPredicates.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ResultPredicates.swift; sourceTree = "<group>"; };
+		B594B13321D5897100F3AC59 /* MockSoftwareProduct.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MockSoftwareProduct.swift; sourceTree = "<group>"; };
 		ED031A781B5127C00097692E /* mas */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = mas; sourceTree = BUILT_PRODUCTS_DIR; };
 		ED031A7B1B5127C00097692E /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
 		ED0F237E1B87522400AE40CD /* Install.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Install.swift; sourceTree = "<group>"; };
@@ -167,14 +187,13 @@
 		ED0F238C1B8756E600AE40CD /* MASError.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MASError.swift; sourceTree = "<group>"; };
 		ED0F238F1B87A56F00AE40CD /* ISStoreAccount.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ISStoreAccount.swift; sourceTree = "<group>"; };
 		EDA3BE511B8B84AF00C18D70 /* SSPurchase.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SSPurchase.swift; sourceTree = "<group>"; };
-		EDB6CE8A1BAEB95100648B4D /* mas-cli-Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = "mas-cli-Info.plist"; sourceTree = "<group>"; };
+		EDB6CE8A1BAEB95100648B4D /* mas-Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = "mas-Info.plist"; sourceTree = "<group>"; };
 		EDB6CE8B1BAEC3D400648B4D /* Version.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Version.swift; sourceTree = "<group>"; };
 		EDC90B641C70045E0019E396 /* SignIn.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SignIn.swift; sourceTree = "<group>"; };
 		EDCBF9521D89AC6F000039C6 /* Reset.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Reset.swift; sourceTree = "<group>"; };
 		EDCBF9541D89CFC7000039C6 /* Utilities.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Utilities.swift; sourceTree = "<group>"; };
 		EDD3B3621C34709400B56B88 /* Upgrade.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Upgrade.swift; sourceTree = "<group>"; };
 		EDE296521C700F4300554778 /* SignOut.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SignOut.swift; sourceTree = "<group>"; };
-		EDEAA12C1B51CF8000F2FC3F /* mas-cli-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "mas-cli-Bridging-Header.h"; sourceTree = "<group>"; };
 		F8242D8020746A510026DF35 /* StoreAccount.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = StoreAccount.swift; sourceTree = "<group>"; };
 		F83213A42173EF75008BA8A0 /* Cocoa.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Cocoa.framework; path = System/Library/Frameworks/Cocoa.framework; sourceTree = SDKROOT; };
 		F83213A52173EF75008BA8A0 /* StoreFoundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = StoreFoundation.framework; path = ../../../../../../../System/Library/PrivateFrameworks/StoreFoundation.framework; sourceTree = "<group>"; };
@@ -260,12 +279,32 @@
 			path = Carthage/Build/Mac;
 			sourceTree = "<group>";
 		};
+		B594B12321D57FF300F3AC59 /* Commands */ = {
+			isa = PBXGroup;
+			children = (
+				B594B12121D5416100F3AC59 /* ListCommandSpec.swift */,
+				B594B12421D580BB00F3AC59 /* UninstallCommandSpec.swift */,
+				B555292C219A1FE700ACB4CA /* SearchSpec.swift */,
+			);
+			path = Commands;
+			sourceTree = "<group>";
+		};
+		B594B12C21D584E800F3AC59 /* Mocks */ = {
+			isa = PBXGroup;
+			children = (
+				B594B12D21D5850700F3AC59 /* MockAppLibrary.swift */,
+				B594B13321D5897100F3AC59 /* MockSoftwareProduct.swift */,
+				B5793E2A219BE0CD00135B39 /* MockURLSession.swift */,
+			);
+			path = Mocks;
+			sourceTree = "<group>";
+		};
 		ED031A6F1B5127C00097692E = {
 			isa = PBXGroup;
 			children = (
-				ED031A7A1B5127C00097692E /* App */,
 				90CB4068213F4DDD0044E445 /* Carthage */,
 				EDFC76381B642A2E00D0DBD7 /* Frameworks */,
+				ED031A7A1B5127C00097692E /* mas */,
 				F8FB715320F2B41400F56FDC /* MasKit */,
 				F8FB715E20F2B41400F56FDC /* MasKitTests */,
 				F8FB719920F2EC4500F56FDC /* PrivateFrameworks */,
@@ -283,19 +322,13 @@
 			name = Products;
 			sourceTree = "<group>";
 		};
-		ED031A7A1B5127C00097692E /* App */ = {
+		ED031A7A1B5127C00097692E /* mas */ = {
 			isa = PBXGroup;
 			children = (
-				ED0F238E1B87A54700AE40CD /* AppStore */,
-				ED0F23801B87524700AE40CD /* Commands */,
 				ED031A7B1B5127C00097692E /* main.swift */,
-				EDEAA12C1B51CF8000F2FC3F /* mas-cli-Bridging-Header.h */,
-				EDB6CE8A1BAEB95100648B4D /* mas-cli-Info.plist */,
-				ED0F238C1B8756E600AE40CD /* MASError.swift */,
-				693A989A1CBFFAAA0004D3B4 /* NSURLSession+Synchronous.swift */,
-				EDCBF9541D89CFC7000039C6 /* Utilities.swift */,
+				EDB6CE8A1BAEB95100648B4D /* mas-Info.plist */,
 			);
-			path = App;
+			path = mas;
 			sourceTree = "<group>";
 		};
 		ED0F23801B87524700AE40CD /* Commands */ = {
@@ -311,17 +344,18 @@
 				693A98981CBFFA760004D3B4 /* Search.swift */,
 				EDC90B641C70045E0019E396 /* SignIn.swift */,
 				EDE296521C700F4300554778 /* SignOut.swift */,
+				B594B11F21D53A8200F3AC59 /* Uninstall.swift */,
 				EDD3B3621C34709400B56B88 /* Upgrade.swift */,
 				EDB6CE8B1BAEC3D400648B4D /* Version.swift */,
 			);
-			name = Commands;
-			path = App/Commands;
-			sourceTree = SOURCE_ROOT;
+			path = Commands;
+			sourceTree = "<group>";
 		};
 		ED0F238E1B87A54700AE40CD /* AppStore */ = {
 			isa = PBXGroup;
 			children = (
 				4913269A1F48921D0010EB86 /* CKSoftwareMap+AppLookup.swift */,
+				B594B12A21D5837200F3AC59 /* CKSoftwareProduct+SoftwareProduct.swift */,
 				ED0F238A1B87569C00AE40CD /* Downloader.swift */,
 				ED0F238F1B87A56F00AE40CD /* ISStoreAccount.swift */,
 				ED0F23881B87543D00AE40CD /* PurchaseDownloadObserver.swift */,
@@ -344,8 +378,16 @@
 		F8FB715320F2B41400F56FDC /* MasKit */ = {
 			isa = PBXGroup;
 			children = (
+				B594B12621D5825800F3AC59 /* AppLibrary.swift */,
+				ED0F238E1B87A54700AE40CD /* AppStore */,
+				ED0F23801B87524700AE40CD /* Commands */,
 				F8FB715520F2B41400F56FDC /* Info.plist */,
+				B594B12F21D5855D00F3AC59 /* MasAppLibrary.swift */,
+				ED0F238C1B8756E600AE40CD /* MASError.swift */,
 				F8FB715420F2B41400F56FDC /* MasKit.h */,
+				693A989A1CBFFAAA0004D3B4 /* NSURLSession+Synchronous.swift */,
+				B594B12821D5831D00F3AC59 /* SoftwareProduct.swift */,
+				EDCBF9541D89CFC7000039C6 /* Utilities.swift */,
 			);
 			path = MasKit;
 			sourceTree = "<group>";
@@ -353,11 +395,12 @@
 		F8FB715E20F2B41400F56FDC /* MasKitTests */ = {
 			isa = PBXGroup;
 			children = (
+				B594B12321D57FF300F3AC59 /* Commands */,
 				F8FB716120F2B41400F56FDC /* Info.plist */,
 				B5793E28219BDD4800135B39 /* JSON */,
 				B555292A219A1CB200ACB4CA /* MASErrorTestCase.swift */,
-				B5793E2A219BE0CD00135B39 /* MockURLSession.swift */,
-				B555292C219A1FE700ACB4CA /* SearchSpec.swift */,
+				B594B12C21D584E800F3AC59 /* Mocks */,
+				B594B13121D5876200F3AC59 /* ResultPredicates.swift */,
 			);
 			path = MasKitTests;
 			sourceTree = "<group>";
@@ -592,6 +635,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				B594B12B21D5837200F3AC59 /* CKSoftwareProduct+SoftwareProduct.swift in Sources */,
 				F8FB716F20F2B4DD00F56FDC /* Account.swift in Sources */,
 				F8FB716920F2B4DD00F56FDC /* CKSoftwareMap+AppLookup.swift in Sources */,
 				F8FB716A20F2B4DD00F56FDC /* Downloader.swift in Sources */,
@@ -600,12 +644,16 @@
 				F8FB716B20F2B4DD00F56FDC /* ISStoreAccount.swift in Sources */,
 				F8FB717220F2B4DD00F56FDC /* List.swift in Sources */,
 				F8FB717320F2B4DD00F56FDC /* Lucky.swift in Sources */,
+				B594B12721D5825800F3AC59 /* AppLibrary.swift in Sources */,
 				F8FB717B20F2B4DD00F56FDC /* MASError.swift in Sources */,
 				F8FB717C20F2B4DD00F56FDC /* NSURLSession+Synchronous.swift in Sources */,
 				F8FB717420F2B4DD00F56FDC /* Outdated.swift in Sources */,
+				B594B12921D5831D00F3AC59 /* SoftwareProduct.swift in Sources */,
 				F8FB716C20F2B4DD00F56FDC /* PurchaseDownloadObserver.swift in Sources */,
 				F8FB717520F2B4DD00F56FDC /* Reset.swift in Sources */,
 				F8FB717620F2B4DD00F56FDC /* Search.swift in Sources */,
+				B594B13021D5855D00F3AC59 /* MasAppLibrary.swift in Sources */,
+				B594B12021D53A8200F3AC59 /* Uninstall.swift in Sources */,
 				F8FB717720F2B4DD00F56FDC /* SignIn.swift in Sources */,
 				F8FB717820F2B4DD00F56FDC /* SignOut.swift in Sources */,
 				F8FB716D20F2B4DD00F56FDC /* SSPurchase.swift in Sources */,
@@ -622,7 +670,12 @@
 			files = (
 				B5793E2B219BE0CD00135B39 /* MockURLSession.swift in Sources */,
 				B555292B219A1CB200ACB4CA /* MASErrorTestCase.swift in Sources */,
+				B594B13421D5897100F3AC59 /* MockSoftwareProduct.swift in Sources */,
+				B594B12221D5416100F3AC59 /* ListCommandSpec.swift in Sources */,
+				B594B12521D580BB00F3AC59 /* UninstallCommandSpec.swift in Sources */,
 				B555292D219A1FE700ACB4CA /* SearchSpec.swift in Sources */,
+				B594B12E21D5850700F3AC59 /* MockAppLibrary.swift in Sources */,
+				B594B13221D5876200F3AC59 /* ResultPredicates.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -696,7 +749,6 @@
 					"$(inherited)",
 					"$(SRCROOT)/App/PrivateHeaders",
 				);
-				INFOPLIST_FILE = "App/mas-cli-Info.plist";
 				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -756,7 +808,6 @@
 					"$(inherited)",
 					"$(SRCROOT)/App/PrivateHeaders",
 				);
-				INFOPLIST_FILE = "App/mas-cli-Info.plist";
 				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.mphys.mas-cli";
@@ -775,13 +826,14 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Carthage/Build/Mac",
 				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				INFOPLIST_FILE = "mas/mas-Info.plist";
 				INSTALL_PATH = /bin;
 				LD_RUNPATH_SEARCH_PATHS = "@executable_path/. @executable_path/MasKit.framework/Versions/Current/Frameworks /usr/local/Frameworks /usr/local/Frameworks/MasKit.framework/Versions/Current/Frameworks $(inherited)";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.mphys.mas-cli";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_FORCE_DYNAMIC_LINK_STDLIB = YES;
 				SWIFT_FORCE_STATIC_LINK_STDLIB = NO;
-				SWIFT_OBJC_BRIDGING_HEADER = "App/mas-cli-Bridging-Header.h";
 				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
@@ -796,13 +848,14 @@
 					"$(inherited)",
 					"$(PROJECT_DIR)/Carthage/Build/Mac",
 				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				INFOPLIST_FILE = "mas/mas-Info.plist";
 				INSTALL_PATH = /bin;
 				LD_RUNPATH_SEARCH_PATHS = "@executable_path/. @executable_path/MasKit.framework/Versions/Current/Frameworks /usr/local/Frameworks /usr/local/Frameworks/MasKit.framework/Versions/Current/Frameworks $(inherited)";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.mphys.mas-cli";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_FORCE_DYNAMIC_LINK_STDLIB = YES;
 				SWIFT_FORCE_STATIC_LINK_STDLIB = NO;
-				SWIFT_OBJC_BRIDGING_HEADER = "App/mas-cli-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				SWIFT_VERSION = 4.2;
 			};

mas/main.swift

@@ -28,6 +28,7 @@ registry.register(ResetCommand())
 registry.register(SearchCommand())
 registry.register(SignInCommand())
 registry.register(SignOutCommand())
+registry.register(UninstallCommand())
 registry.register(UpgradeCommand())
 registry.register(VersionCommand())
 registry.register(helpCommand)