Enable release mode builds

.github/workflows/main.yml

@@ -16,3 +16,7 @@ jobs:
       linux_6_1_arguments_override: "--explicit-target-dependency-import-check error"
       linux_nightly_next_arguments_override: "--explicit-target-dependency-import-check error"
       linux_nightly_main_arguments_override: "--explicit-target-dependency-import-check error"
+
+  release-builds:
+    name: Release builds
+    uses: ./.github/workflows/release_builds.yml

.github/workflows/pull_request.yml

@@ -45,3 +45,7 @@ jobs:
     with:
       name: "Cxx interop"
       matrix_string: '${{ needs.construct-cxx-matrix.outputs.cxx-interop-matrix }}'
+
+  release-builds:
+    name: Release builds
+    uses: ./.github/workflows/release_builds.yml

.github/workflows/release_builds.yml

@@ -0,0 +1,108 @@
+name: Release builds
+
+on:
+  workflow_call:
+    inputs:
+      linux_5_9_enabled:
+        type: boolean
+        description: "Boolean to enable the Linux 5.9 Swift version matrix job. Defaults to false."
+        default: false
+      linux_5_9_arguments_override:
+        type: string
+        description: "The arguments passed to swift build in the Linux 5.9 Swift version matrix job."
+        default: ""
+      linux_5_10_enabled:
+        type: boolean
+        description: "Boolean to enable the Linux 5.10 Swift version matrix job. Defaults to true."
+        default: true
+      linux_5_10_arguments_override:
+        type: string
+        description: "The arguments passed to swift build in the Linux 5.10 Swift version matrix job."
+        default: ""
+      linux_6_0_enabled:
+        type: boolean
+        description: "Boolean to enable the Linux 6.0 Swift version matrix job. Defaults to true."
+        default: true
+      linux_6_0_arguments_override:
+        type: string
+        description: "The arguments passed to swift build in the Linux 6.0 Swift version matrix job."
+        default: ""
+      linux_6_1_enabled:
+        type: boolean
+        description: "Boolean to enable the Linux 6.1 Swift version matrix job. Defaults to true."
+        default: true
+      linux_6_1_arguments_override:
+        type: string
+        description: "The arguments passed to swift build in the Linux 6.1 Swift version matrix job."
+        default: ""
+      linux_nightly_next_enabled:
+        type: boolean
+        description: "Boolean to enable the Linux nightly next Swift version matrix job. Defaults to true."
+        default: true
+      linux_nightly_next_arguments_override:
+        type: string
+        description: "The arguments passed to swift build in the Linux nightly next Swift version matrix job."
+        default: ""
+      linux_nightly_main_enabled:
+        type: boolean
+        description: "Boolean to enable the Linux nightly main Swift version matrix job. Defaults to true."
+        default: true
+      linux_nightly_main_arguments_override:
+        type: string
+        description: "The arguments passed to swift build in the Linux nightly main Swift version matrix job."
+        default: ""
+
+jobs:
+  release-builds:
+    name: Release builds (${{ matrix.swift.swift_version }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        # We are specifying only the major and minor of the docker images to automatically pick up the latest patch release
+        swift:
+          - image: "swift:5.9-jammy"
+            swift_version: "5.9"
+            enabled: ${{ inputs.linux_5_9_enabled }}
+          - image: "swift:5.10-jammy"
+            swift_version: "5.10"
+            enabled: ${{ inputs.linux_5_10_enabled }}
+          - image: "swift:6.0-jammy"
+            swift_version: "6.0"
+            enabled: ${{ inputs.linux_6_0_enabled }}
+          - image: "swift:6.1-jammy"
+            swift_version: "6.1"
+            enabled: ${{ inputs.linux_6_1_enabled }}
+          - image: "swiftlang/swift:nightly-6.1-jammy"
+            swift_version: "nightly-6.1"
+            enabled: ${{ inputs.linux_nightly_next_enabled }}
+          - image: "swiftlang/swift:nightly-main-jammy"
+            swift_version: "nightly-main"
+            enabled: ${{ inputs.linux_nightly_main_enabled }}
+    steps:
+      - name: Checkout repository
+        if: ${{ matrix.swift.enabled }}
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+          submodules: true
+      - name: Mark the workspace as safe
+        if: ${{ matrix.swift.enabled }}
+        # https://github.com/actions/checkout/issues/766
+        run: git config --global --add safe.directory ${GITHUB_WORKSPACE}
+      - name: Run matrix job
+        if: ${{ matrix.swift.enabled }}
+        env:
+          SWIFT_VERSION: ${{ matrix.swift.swift_version }}
+          COMMAND: "swift build -c release"
+          COMMAND_OVERRIDE_5_9: "swift build -c release ${{ inputs.linux_5_9_arguments_override }}"
+          COMMAND_OVERRIDE_5_10: "swift build -c release ${{ inputs.linux_5_10_arguments_override }}"
+          COMMAND_OVERRIDE_6_0: "swift build -c release ${{ inputs.linux_6_0_arguments_override }}"
+          COMMAND_OVERRIDE_6_1: "swift build -c release ${{ inputs.linux_6_1_arguments_override }}"
+          COMMAND_OVERRIDE_NIGHTLY_NEXT: "swift build -c release ${{ inputs.linux_nightly_next_arguments_override }}"
+          COMMAND_OVERRIDE_NIGHTLY_MAIN: "swift build -c release ${{ inputs.linux_nightly_main_arguments_override }}"
+        run: |
+          apt-get -qq update && apt-get -qq -y install curl && apt-get -y install libsasl2-dev libssl-dev
+          curl -s https://raw.githubusercontent.com/apple/swift-nio/main/scripts/check-matrix-job.sh | bash
+    container:
+      image: ${{ matrix.swift.image }}