Add Check for clean git status

Sources/RocketLib/Executors/ScriptLauncher.swift

@@ -11,6 +11,13 @@ protocol ScriptLaunching {
     func launchScript(withContent content: String, version: String?) throws -> String
 }
 
+extension ScriptLaunching {
+    @discardableResult
+    func launchScript(withContent content: String) throws -> String {
+        return try launchScript(withContent: content, version: nil)
+    }
+}
+
 struct ScriptLauncher: ScriptLaunching {
     func launchScript(withContent content: String, version: String?) throws -> String {
         var runnableContent: String

Sources/RocketLib/PreReleaseChecks/CleanGitStatusCheck.swift

@@ -0,0 +1,11 @@
+import Foundation
+
+struct CleanGitStatusCheck: PreReleaseCheck {
+    let launcher: ScriptLaunching
+
+    func check() -> Bool {
+        let result = try? launcher.launchScript(withContent: "git diff --name-only", version: nil)
+
+        return result?.isEmpty ?? true
+    }
+}

Sources/RocketLib/PreReleaseChecks/PreReleaseCheck.swift

@@ -0,0 +1,3 @@
+protocol PreReleaseCheck {
+    func check() -> Bool
+}

Sources/RocketLib/StepsParser.swift

@@ -1,7 +1,13 @@
 import Foundation
 import Logger
 
-public class StepsParser {
+public enum StepsParser {
+    enum CodingKeys: String {
+        case steps
+        case before
+        case after
+    }
+
     private static let defaultSteps: [Any] = [
         Step.hideDependencies.rawValue,
         Step.gitAdd.rawValue,
@@ -13,12 +19,6 @@ public class StepsParser {
         Step.push.rawValue,
     ]
 
-    enum CodingKeys: String {
-        case steps
-        case before
-        case after
-    }
-
     public static func parseSteps(fromDictionary dictionary: [String: Any], logger: Logger) -> [StepExecutor] {
         guard let stepsArray = steps(fromDictionary: dictionary) else {
             logger.logError("Invalid steps")

Tests/RocketTests/CleanGitStatusCheckTests.swift

@@ -0,0 +1,28 @@
+import Nimble
+@testable import RocketLib
+import TestSpy
+import XCTest
+
+final class CleanGitStatusCheckTests: XCTestCase {
+    func testReturnsTrueWhenThereIsAreNoModifiedFiles() {
+        let scriptLauncher = SpyScriptLauncher()
+        scriptLauncher.result = ""
+        let check = CleanGitStatusCheck(launcher: scriptLauncher)
+
+        let result = check.check()
+
+        expect(result).to(beTrue())
+        expect(scriptLauncher).to(haveReceived(.launchScript(content: "git diff --name-only", version: nil)))
+    }
+
+    func testReturnsFalseWhenThereIsAreModifiedFiles() {
+        let scriptLauncher = SpyScriptLauncher()
+        scriptLauncher.result = "/Franco/Test.swift"
+        let check = CleanGitStatusCheck(launcher: scriptLauncher)
+
+        let result = check.check()
+
+        expect(result).to(beFalse())
+        expect(scriptLauncher).to(haveReceived(.launchScript(content: "git diff --name-only", version: nil)))
+    }
+}