First actions & workflows

.editorconfig

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+[*.yml]
+indent_style = space
+indent_size = 2

.github/workflows/create-nexus-staging-repository.yml

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+on:
+  workflow_call:
+    secrets:
+      SONATYPE_USERNAME:
+        required: true
+      SONATYPE_PASSWORD:
+        required: true
+      SONATYPE_PROFILE_ID:
+        required: true
+  outputs:
+      repository-id: ${{ jobs.create-staging-repository.outputs.repository-id }}
+
+jobs:
+  create-staging-repository:
+    name: Create Nexus staging repository
+    runs-on: ubuntu-latest
+    outputs:
+      repository-id: ${{ steps.create.outputs.repository_id }}
+    steps:
+      - id: create
+        uses: nexus-actions/create-nexus-staging-repo@v1
+        with:
+          base_url: https://s01.oss.sonatype.org/service/local/
+          username: ${{ secrets.SONATYPE_USERNAME }}
+          password: ${{ secrets.SONATYPE_PASSWORD }}
+          staging_profile_id: ${{ secrets.SONATYPE_PROFILE_ID }}
+          description: ${{ github.repository }}/${{ github.workflow }}#${{ github.run_number }}

.github/workflows/drop-or-release-nexus-staging-repository.yml

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+on:
+  workflow_call:
+    inputs:
+      repository-id:
+        required: true
+      build-upload-result:
+        required: true
+    secrets:
+      SONATYPE_USERNAME:
+        required: true
+      SONATYPE_PASSWORD:
+        required: true
+
+jobs:
+  complete-staging-repository:
+    name: Complete Nexus staging repository
+    runs-on: ubuntu-latest
+    steps:
+      - name: Discard
+        if: ${{ input.build-upload-result != 'success' }}
+        uses: nexus-actions/drop-nexus-staging-repo@v1
+        with:
+          base_url: https://s01.oss.sonatype.org/service/local/
+          username: ${{ secrets.SONATYPE_USERNAME }}
+          password: ${{ secrets.SONATYPE_PASSWORD }}
+          staging_repository_id: ${{ inputs.repository-id }}
+      - name: Release
+        if: ${{ input.build-upload-result == 'success' }}
+        uses: nexus-actions/release-nexus-staging-repo@v1
+        with:
+          base_url: https://s01.oss.sonatype.org/service/local/
+          username: ${{ secrets.SONATYPE_USERNAME }}
+          password: ${{ secrets.SONATYPE_PASSWORD }}
+          staging_repository_id: ${{ inputs.repository-id }}

setup/action.yml

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+name: "Setup"
+inputs:
+  java-version:
+    default: 17
+  with-konan:
+    default: true
+runs:
+  using: "composite"
+  steps:
+    - name: Check out
+      uses: actions/checkout@v4
+    - name: Set up JDK Temurin ${{ inputs.java-version }}
+      uses: actions/setup-java@v3
+      with:
+        distribution: temurin
+        java-version: ${{ inputs.java-version }}
+    - name: Setup Gradle
+      uses: gradle/gradle-build-action@v2
+    - name: Cached Konan
+      if: ${{ inputs.with-konan }}
+      uses: actions/cache@v3
+      with:
+        path: ~/.konan
+        key: ${{ runner.os }}-konan-${{ hashFiles('**/*.gradle*') }}-${{ hashFiles('**/gradle/wrapper/gradle-wrapper.properties') }}
+        restore-keys: ${{ runner.os }}-konan-