Add a nightly 6.2 toolchain verification for swiftly

.github/workflows/62_snapshot_check.yml

@@ -0,0 +1,36 @@
+name: Smoke Test - 6.2 Nightly Swift Toolchain
+
+on:
+  schedule:
+    - cron: '30 2 * * *'
+
+jobs:
+  tests-selfhosted-linux:
+    name: Test (Smoke Test - 6.2 Nightly Swift Toolchain) / ${{ matrix.container }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        container: ["ubuntu:20.04", "ubuntu:22.04", "ubuntu:24.04", "redhat/ubi9", "debian:12"]
+    container:
+      image: ${{ matrix.container }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Prepare the action
+        run: ./scripts/prep-gh-action.sh --install-swiftly --swift-snapshot 6.2
+      - name: Build and Test
+        # UBI 9 and Ubuntu 20.04 - See https://github.com/swiftlang/swift/issues/80908
+        # UBI 9 - See https://github.com/swiftlang/swift/issues/80909
+        run: bash -c 'if [[ "${{ matrix.container }}" == "redhat/ubi9" ]]; then swiftly run +6.2-snapshot swift build --build-tests; elif [[ "${{ matrix.container }}" == "ubuntu:20.04" ]]; then swiftly run +6.2-snapshot swift build --build-tests; else swiftly run +6.2-snapshot swift test; fi'
+
+  tests-selfhosted-macos:
+    name: Test (Smoke Test - Nightly Swift Toolchain) / macOS Sequoia ARM64
+    runs-on: [self-hosted, macos, sequoia, ARM64]
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Prepare the action
+        run: ./scripts/prep-gh-action.sh --install-swiftly --swift-snapshot 6.2
+      - name: Build and Test
+        run: swiftly run +6.2-snapshot swift test

.github/workflows/nightly_snapshot_check.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Prepare the action
-        run: ./scripts/prep-gh-action.sh --install-swiftly --swift-main-snapshot
+        run: ./scripts/prep-gh-action.sh --install-swiftly --swift-snapshot main
       - name: Build and Test
         # UBI 9 and Ubuntu 20.04 - See https://github.com/swiftlang/swift/issues/80908
         # UBI 9 - See https://github.com/swiftlang/swift/issues/80909

scripts/prep-gh-action.sh

@@ -18,8 +18,9 @@ while [ $# -ne 0 ]; do
         --install-swiftly)
             installSwiftly=true
             ;;
-        --swift-main-snapshot)
-            swiftMainSnapshot=true
+        --swift-snapshot)
+            swiftSnapshot="$2"
+            shift;
             ;;
         *)
             ;;
@@ -53,10 +54,10 @@ if [ "$installSwiftly" == true ]; then
     selector=()
     runSelector=()
 
-    if [ "$swiftMainSnapshot" == true ]; then
-        echo "Installing latest main-snapshot toolchain"
-        selector=("main-snapshot")
-        runSelector=("+main-snapshot")
+    if [ "$swiftSnapshot" != "" ]; then
+        echo "Installing latest $swiftSnapshot-snapshot toolchain"
+        selector=("$swiftSnapshot-snapshot")
+        runSelector=("+$swiftSnapshot-snapshot")
     elif [ -f .swift-version ]; then
         echo "Installing selected swift toolchain from .swift-version file"
         selector=()