Run CI with Xcode 12.5.1 & Swift 5.4 (#3710)

And require Swift 5.4 or Xcode 12.5 or later to build SwiftLint.

CHANGELOG.md

@@ -2,7 +2,8 @@
 
 #### Breaking
 
-* None.
+* SwiftLint now requires Swift 5.4 or higher to build.  
+  [JP Simard](https://github.com/jpsim)
 
 #### Experimental
 

Makefile

@@ -126,7 +126,7 @@ docker_image:
 	docker build --force-rm --tag swiftlint .
 
 docker_test:
-	docker run -v `pwd`:`pwd` -w `pwd` --name swiftlint --rm swift:5.3 swift test --parallel
+	docker run -v `pwd`:`pwd` -w `pwd` --name swiftlint --rm swift:5.4 swift test --parallel
 
 docker_htop:
 	docker run -it --rm --pid=container:swiftlint terencewestphal/htop || reset

README.md

@@ -60,7 +60,7 @@ running it.
 ### Installing from source:
 
 You can also build and install from source by cloning this project and running
-`make install` (Xcode 12 or later).
+`make install` (Xcode 12.5 or later).
 
 ## Usage
 

README_CN.md

@@ -45,7 +45,7 @@ $ mint install realm/SwiftLint
 
 ### 编译源代码：
 
-你也可以通过 Clone SwiftLint 的 Git 仓库到本地然后执行 `make install` (Xcode 11.4+) 编译源代码的方式来安装。
+你也可以通过 Clone SwiftLint 的 Git 仓库到本地然后执行 `make install` (Xcode 12.5+) 编译源代码的方式来安装。
 
 ## 用法
 

README_KR.md

@@ -44,7 +44,7 @@ $ mint install realm/SwiftLint
 
 ### 소스를 직접 컴파일하는 경우:
 
-본 프로젝트를 클론해서 빌드할 수도 있습니다. `make install` 명령을 사용합니다. (Xcode 11.4 이후 버전)
+본 프로젝트를 클론해서 빌드할 수도 있습니다. `make install` 명령을 사용합니다. (Xcode 12.5 이후 버전)
 
 ## 사용 방법
 

Source/SwiftLintFramework/Rules/Lint/UnusedDeclarationRuleExamples.swift

@@ -25,10 +25,10 @@ struct UnusedDeclarationRuleExamples {
         }
 
         let changes = [Change.insert(0), .delete(0)]
-        changes.deletes()
+        _ = changes.deletes()
         """),
         Example("""
-        struct Item {}
+        struct Item: Codable {}
         struct ResponseModel: Codable {
             let items: [Item]
 
@@ -79,7 +79,7 @@ struct UnusedDeclarationRuleExamples {
           indirect case optional(Component?)
         }
 
-        @_functionBuilder
+        @resultBuilder
         struct ComponentBuilder {
           static func buildExpression(_ string: StaticString) -> Component {
             return .string(string)

Tests/SwiftLintFrameworkTests/SwiftVersionTests.swift

@@ -6,6 +6,8 @@ final class SwiftVersionTests: XCTestCase {
     func testDetectSwiftVersion() {
         #if compiler(>=5.5.0)
             let version = "5.5.0"
+        #elseif compiler(>=5.4.2)
+            let version = "5.4.2"
         #elseif compiler(>=5.4.1)
             let version = "5.4.1"
         #elseif compiler(>=5.4.0)

azure-pipelines.yml

@@ -8,8 +8,8 @@ jobs:
   strategy:
     maxParallel: 10
     matrix:
-      swift53:
+      swift54:
-        containerImage: swift:5.3
+        containerImage: swift:5.4
   container: $[ variables['containerImage'] ]
   steps:
     - script: swift test --parallel
@@ -17,14 +17,12 @@ jobs:
 
 - job: Xcode
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-11'
   strategy:
     maxParallel: 10
     matrix:
-      xcode12:
+      xcode125:
-        DEVELOPER_DIR: /Applications/Xcode_12.app
+        DEVELOPER_DIR: /Applications/Xcode_12.5.1.app
-      xcode124:
-        DEVELOPER_DIR: /Applications/Xcode_12.4.app
   steps:
     - script: |
         sw_vers
@@ -45,14 +43,12 @@ jobs:
 
 - job: SwiftPM
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-11'
   strategy:
     maxParallel: 10
     matrix:
-      xcode12:
+      xcode125:
-        DEVELOPER_DIR: /Applications/Xcode_12.app
+        DEVELOPER_DIR: /Applications/Xcode_12.5.1.app
-      xcode124:
-        DEVELOPER_DIR: /Applications/Xcode_12.4.app
   steps:
     - script: |
         sw_vers
@@ -65,9 +61,9 @@ jobs:
 
 - job: CocoaPods
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-11'
   variables:
-    DEVELOPER_DIR: /Applications/Xcode_12.4.app
+    DEVELOPER_DIR: /Applications/Xcode_12.5.1.app
   steps:
     - script: bundle install --path vendor/bundle
       displayName: bundle install
@@ -78,18 +74,18 @@ jobs:
 
 - job: Analyze
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-11'
   variables:
-    DEVELOPER_DIR: /Applications/Xcode_12.4.app
+    DEVELOPER_DIR: /Applications/Xcode_12.5.1.app
   steps:
     - script: make analyze
       displayName: Run SwiftLint Analyze
 
 - job: TSan
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-11'
   variables:
-    DEVELOPER_DIR: /Applications/Xcode_12.4.app
+    DEVELOPER_DIR: /Applications/Xcode_12.5.1.app
   steps:
     - script: swift run --sanitize=thread swiftlint lint --lenient
       displayName: Pre-cache SwiftLint Run
@@ -100,9 +96,9 @@ jobs:
 
 - job: jazzy
   pool:
-    vmImage: 'macOS-10.15'
+    vmImage: 'macOS-11'
   variables:
-    DEVELOPER_DIR: /Applications/Xcode_12.4.app
+    DEVELOPER_DIR: /Applications/Xcode_12.5.1.app
   steps:
     - script: swift run swiftlint generate-docs
       displayName: Run swiftlint generate-docs