Remove support for Swift 4.x; Update CI builds (#95)

* Update CI rules.  Remove Swift 4.x from testing

* Remove Package files for Swift 4.x

* Update travis env for specifying swift development snapshot.

* remove execute flag on podspec

* Update podspec

* README: Update minimum toolchain versions

* Add note for older versions of swift

Author: dannys42

.travis.yml

@@ -15,58 +15,31 @@ matrix:
       dist: xenial
       sudo: required
       services: docker
-      env:  DOCKER_IMAGE=swift:4.0.3 SWIFT_SNAPSHOT=4.0.3
+      env: DOCKER_IMAGE=docker.kitura.net/kitura/swift-ci-ubuntu16.04:5.1.5
     - os: linux
-      dist: xenial
-      sudo: required
-      services: docker
-      env: DOCKER_IMAGE=swift:4.1.3 SWIFT_SNAPSHOT=4.1.3
-    - os: linux
-      dist: xenial
-      sudo: required
-      services: docker
-      env: DOCKER_IMAGE=swift:4.2.4 SWIFT_SNAPSHOT=4.2.4
-    - os: linux
-      dist: xenial
-      sudo: required
-      services: docker
-      env: DOCKER_IMAGE=swift:5.0.3-xenial SWIFT_SNAPSHOT=5.0.3
-    - os: linux
-      dist: xenial
+      dist: bionic
       sudo: required
       services: docker
-      env: DOCKER_IMAGE=swift:5.1
+      env: DOCKER_IMAGE=docker.kitura.net/kitura/swift-ci-ubuntu18.04:5.4
     - os: linux
       dist: xenial
       sudo: required
       services: docker
-      env: DOCKER_IMAGE=swift:5.1 SWIFT_SNAPSHOT=$SWIFT_DEVELOPMENT_SNAPSHOT
-    - os: osx
-      osx_image: xcode9.2
-      sudo: required
-      env: SWIFT_SNAPSHOT=4.0.3
-    - os: osx
-      osx_image: xcode9.4
-      sudo: required
-      env: SWIFT_SNAPSHOT=4.1.2
+      env: DOCKER_IMAGE=docker.kitura.net/kitura/swift-ci-ubuntu18.04:latest USE_SWIFT_DEVELOPMENT_SNAPSHOT=1
     - os: osx
-      osx_image: xcode10.1
+      osx_image: xcode11
       sudo: required
-      env: SWIFT_SNAPSHOT=4.2.1
+      env: SWIFT_SNAPSHOT=5.1.5 JAZZY_ELIGIBLE=true
     - os: osx
-      osx_image: xcode10.2
+      osx_image: xcode12.2
       sudo: required
-      env: SWIFT_SNAPSHOT=5.0.1 JAZZY_ELIGIBLE=true
     - os: osx
-      osx_image: xcode11
-      sudo: required
-    - os: osx
-      osx_image: xcode11
+      osx_image: xcode12.5
       sudo: required
-      env: SWIFT_SNAPSHOT=$SWIFT_DEVELOPMENT_SNAPSHOT
+      env: USE_SWIFT_DEVELOPMENT_SNAPSHOT=1
 
 before_install:
-  - git clone https://github.com/IBM-Swift/Package-Builder.git
+  - git clone https://github.com/Kitura/Package-Builder.git
 
 script:
   - ./Package-Builder/build-package.sh -projectDir $TRAVIS_BUILD_DIR

BlueSSLService.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name        = "BlueSSLService"
-  s.version     = "1.0.200"
+  s.version     = "2.0.0"
   s.summary     = "SSL/TLS Add-in framework for BlueSocket in Swift"
   s.homepage    = "https://github.com/Kitura/BlueSSLService"
   s.license     = { :type => "Apache License, Version 2.0" }
@@ -13,7 +13,7 @@ Pod::Spec.new do |s|
   s.tvos.deployment_target = "10.0"
   s.source   = { :git => "https://github.com/Kitura/BlueSSLService.git", :tag => s.version }
   s.source_files = "Sources/SSLService/*.swift"
-  s.dependency 'BlueSocket', '~> 1.0.52'
+  s.dependency 'BlueSocket', '~> 2.0.0'
   s.pod_target_xcconfig =  {
         'SWIFT_VERSION' => '5.1',
   }

Cartfile

@@ -1 +1 @@
-github "IBM-Swift/BlueSocket"
+github "Kitura/BlueSocket"

Package.swift

@@ -24,7 +24,7 @@ import PackageDescription
 
 #if os(Linux) || os(macOS) || os(iOS) || os(tvOS)
 
-var packageDependencies: [Package.Dependency] = [.package(url: "https://github.com/Kitura/BlueSocket.git", from: "1.0.200")]
+var packageDependencies: [Package.Dependency] = [.package(url: "https://github.com/Kitura/BlueSocket.git", from: "2.0.0")]
 var targetDependencies: [Target.Dependency] = [.byName(name: "Socket")]
 
 #if os(Linux)

Package@swift-4.0.swift

@@ -22,22 +22,24 @@ SSL/TLS Add-in framework for [BlueSocket](https://github.com/Kitura/BlueSocket.g
 
 ### Swift
 
-* Swift Open Source `swift-4.0.0-RELEASE` toolchain (**Minimum REQUIRED for latest release**)
-* Swift Open Source `swift-4.2-RELEASE` toolchain (**Recommended**)
-* Swift toolchain included in *Xcode Version 10.0 (10A255) or higher*.
+* Swift Open Source `swift-5.1-RELEASE` toolchain (**Minimum REQUIRED for latest release**)
+* Swift Open Source `swift-5.4-RELEASE` toolchain (**Recommended**)
+* Swift toolchain included in *Xcode Version 11.0 or higher*.
+
+BlueSSLService version 2.0 and above supports Swift 5.1+.  See older versions of BlueSSLService for older versions of Swift.
 
 ### macOS
 
-* macOS 10.11.6 (*El Capitan*) or higher.
-* Xcode Version 9.0 (9A325) or higher using one of the above toolchains.
-* Xcode Version 10.0 (10A255) or higher using the included toolchain (*Recommended*).
+* macOS 10.14.6 (*Mojave*) or higher.
+* Xcode Version 11.0 or higher using one of the above toolchains.
+* Xcode Version 12.5 or higher using the included toolchain (*Recommended*).
 * Secure Transport is provided by macOS.
 
 ### iOS
 
 * iOS 10.0 or higher
-* Xcode Version 9.0 (9A325) or higher using one of the above toolchains.
-* Xcode Version 10.0 (10A255) or higher using the included toolchain (*Recommended*).
+* Xcode Version 11.0 or higher using one of the above toolchains.
+* Xcode Version 12.5 or higher using the included toolchain (*Recommended*).
 * Secure Transport is provided by iOS.
 
 ### Linux