Re-add other CI

.github/workflows/api-compat-verification.yml

@@ -0,0 +1,32 @@
+name: API compatibility verification
+
+on:
+  pull_request:
+    types: [ opened, synchronize, reopened, labeled, unlabeled ]
+    branches: [ main ]
+
+jobs:
+  api-compat-verification:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Check for API compatibility
+        if: ${{ !contains(github.event.pull_request.labels.*.name, 'acknowledge-api-break') }}
+        run: |
+          git fetch origin ${{ github.base_ref }} --depth 1 && \
+          git diff remotes/origin/${{ github.base_ref }} --numstat "*.api" | awk '
+            BEGIN { s = 0 }
+          
+            # git diff numstat shows lines deleted in field 2, hence sum up field 2 across all items 
+            { s += $2 }
+          
+            # exit with the number of lines deleted as the result code so that `if failure()` works below
+            END { exit s }
+          '
+      - name: Error message
+        if: ${{ failure() }}
+        run: |
+          echo "::error ::This change modifies the public API in a way that may be backwards-incompatible. Carefully review this pull request and either:"
+          echo "::error ::* Revert the changes which caused the API incompatibility –or–"
+          echo "::error ::* Add the 'acknowledge-api-break' label to this PR (in rare cases warranting an API breakage)"
+          exit 1

.github/workflows/changelog-verification.yml

@@ -0,0 +1,24 @@
+name: Changelog verification
+
+on:
+  pull_request:
+    types: [ opened, synchronize, reopened, labeled, unlabeled ]
+    branches: [ main ]
+
+jobs:
+  changelog-verification:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Check for changelog entry
+        if: ${{ !contains(github.event.pull_request.labels.*.name, 'no-changelog') }}
+        run: |
+          git fetch origin ${{ github.base_ref }} --depth 1 && \
+          git diff remotes/origin/${{ github.base_ref }} --name-only | grep -P "\.changes/[0-9a-f-]+\.json"
+      - name: Error message
+        if: ${{ failure() }}
+        run: |
+          echo "::error ::No new/updated changelog entry found in /.changes directory. Please either:"
+          echo "::error ::* Add a changelog entry (see CONTRIBUTING.md for instructions) –or–"
+          echo "::error ::* Add the 'no-changelog' label to this PR (in rare cases not warranting a changelog entry)"
+          exit 1

.github/workflows/continous-integration.yml

@@ -0,0 +1,132 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+  workflow_dispatch:
+
+# Allow one instance of this workflow per pull request, and cancel older runs when new changes are pushed
+concurrency:
+  group: ci-pr-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  RUN: ${{ github.run_id }}-${{ github.run_number }}
+  GRADLE_OPTS: "-Dorg.gradle.daemon=false -Dkotlin.incremental=false"
+
+jobs:
+  jvm:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        # we build with a specific JDK version but source/target compatibility should ensure the jar is usable by
+        # the target versions we want to support
+        java-version:
+          - 8
+          - 11
+          - 17
+          - 21
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+      - name: Configure JDK
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'corretto'
+          java-version: 17
+          cache: 'gradle'
+      - name: Test
+        shell: bash
+        run: |
+          ./gradlew -Ptest.java.version=${{ matrix.java-version }} jvmTest --stacktrace
+  all-platforms:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+      - name: Configure JDK
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'corretto'
+          java-version: 17
+          cache: 'gradle'
+      - name: Test
+        shell: bash
+        run: |
+          echo "kotlinWarningsAsErrors=true" >> $GITHUB_WORKSPACE/local.properties
+          ./gradlew apiCheck
+          ./gradlew test jvmTest
+      - name: Save Test Reports
+        if: failure()
+        uses: actions/upload-artifact@v3
+        with:
+          name: test-reports-${{ matrix.os }}
+          path: '**/build/reports'
+
+  protocol-tests:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+      - name: Configure JDK
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'corretto'
+          java-version: 17
+          cache: 'gradle'
+      - name: Test
+        shell: bash
+        run: |
+          ./gradlew publishToMavenLocal
+          ./gradlew testAllProtocols
+  downstream:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+        with:
+          path: 'smithy-kotlin'
+      - name: Checkout tools
+        uses: actions/checkout@v4
+        with:
+          path: 'aws-kotlin-repo-tools'
+          repository: 'awslabs/aws-kotlin-repo-tools'
+          ref: '0.2.3'
+          sparse-checkout: |
+            .github
+      - name: Checkout aws-sdk-kotlin
+        uses: ./aws-kotlin-repo-tools/.github/actions/checkout-head
+        with:
+          # smithy-kotlin is checked out as a sibling dir which will automatically make it an included build
+          path: 'aws-sdk-kotlin'
+          repository: 'awslabs/aws-sdk-kotlin'
+      - name: Configure JDK
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'corretto'
+          java-version: 17
+          cache: 'gradle'
+      - name: Build and Test aws-sdk-kotlin downstream
+        run: |
+          # TODO - JVM only
+          cd $GITHUB_WORKSPACE/smithy-kotlin
+          ./gradlew --parallel publishToMavenLocal
+          SMITHY_KOTLIN_RUNTIME_VERSION=$(grep sdkVersion= gradle.properties | cut -d = -f 2)
+          SMITHY_KOTLIN_CODEGEN_VERSION=$(grep codegenVersion= gradle.properties | cut -d = -f 2)
+          cd $GITHUB_WORKSPACE/aws-sdk-kotlin
+          # replace smithy-kotlin-runtime-version and smithy-kotlin-codegen-version to be
+          # whatever we are testing such that the protocol test projects don't fail with a
+          # version that doesn't exist locally or in maven central. Otherwise the generated
+          # protocol test projects will use whatever the SDK thinks the version of
+          # smithy-kotlin should be
+          sed -i "s/smithy-kotlin-runtime-version = .*$/smithy-kotlin-runtime-version = \"$SMITHY_KOTLIN_RUNTIME_VERSION\"/" gradle/libs.versions.toml
+          sed -i "s/smithy-kotlin-codegen-version = .*$/smithy-kotlin-codegen-version = \"$SMITHY_KOTLIN_CODEGEN_VERSION\"/" gradle/libs.versions.toml
+          ./gradlew --parallel publishToMavenLocal
+          ./gradlew test jvmTest
+          ./gradlew testAllProtocols

.github/workflows/dependabot.yml

@@ -0,0 +1,17 @@
+name: Dependabot Dependency Submission
+
+on:
+  push:
+    branches: [ main ]
+
+permissions:
+  contents: write
+
+jobs:
+  dependency-submission:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+      - name: Generate and submit dependency graph
+        uses: gradle/actions/dependency-submission@v3