feat: hook up a matrix build for linux

.github/workflows/lint.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: SwiftLint
         uses: norio-nomura/[email protected]
         with:

.github/workflows/main.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@v4
       - name: Build and test
         env:
           WORKSPACE: "-workspace SWXMLHash.xcworkspace"
@@ -25,13 +25,30 @@ jobs:
   linux-test:
     name: Linux Test
     runs-on: ubuntu-latest
-
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - image: swift:5.8-focal
+          - image: swift:5.8-jammy
+          - image: swift:5.8-rhel-ubi9
+          - image: swift:5.9-focal
+          - image: swift:5.9-jammy
+          - image: swift:5.9-rhel-ubi9
+          - image: swift:5.10-focal
+          - image: swift:5.10-jammy
+          - image: swift:5.10-rhel-ubi9
+          - image: swiftlang/swift:nightly-focal
+          - image: swiftlang/swift:nightly-jammy
+    container:
+      image: ${{ matrix.image }}
+    timeout-minutes: 10
     steps:
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@v4
       - name: Build and test
         run: |
-          eval "$(curl -sL https://gist.githubusercontent.com/kylef/5c0475ff02b7c7671d2a/raw/9f442512a46d7a2af7b850d65a7e9bd31edfb09b/swiftenv-install.sh)"
+          swift build --build-tests
           swift test
 
   windows-test:
@@ -45,6 +62,6 @@ jobs:
           branch: swift-5.8-release
           tag: 5.8-RELEASE
       - name: Checkout
-        uses: actions/checkout@master
+        uses: actions/checkout@v4
       - name: Build and test
         run: swift test