Rust implementation (#197)

.github/workflows/cd.yml

@@ -0,0 +1,42 @@
+name: Publish
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  publish:
+    name: Publish for ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        # This should work with only the `include`s but it currently doesn't because of this bug:
+        # https://github.community/t5/How-to-use-Git-and-GitHub/GitHub-Actions-Matrix-options-dont-work-as-documented/td-p/29558
+        target: [x86_64-osx, x86_64-unknown-linux-musl, armv7-unknown-linux-musleabihf, armv7-linux-androideabi, aarch64-linux-android]
+        include:
+          - os: macos-latest
+            target: x86_64-osx
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-musl
+          - os: ubuntu-latest
+            target: armv7-unknown-linux-musleabihf
+          - os: ubuntu-latest
+            target: armv7-linux-androideabi
+          - os: ubuntu-latest
+            target: aarch64-linux-android
+
+    steps:
+    - uses: hecrj/setup-rust-action@v1.3.1
+      with:
+        rust-version: stable
+    - uses: actions/checkout@v1
+    - name: Build
+      run: scripts/action release ${{ matrix.target }}
+    - name: Upload binaries to release
+      uses: svenstaro/upload-release-action@v1-release
+      with:
+        repo_token: ${{ secrets.GITHUB_TOKEN }}
+        file: target/tar/navi.tar.gz
+        asset_name: navi-${{ matrix.target }}.tar.gz
+        tag: ${{ github.ref }}

.github/workflows/ci.yml

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+# Based on https://github.com/actions-rs/meta/blob/master/recipes/quickstart.md
+#
+# While our "example" application has the platform-specific code,
+# for simplicity we are compiling and testing everything on the Ubuntu environment only.
+# For multi-OS testing see the `cross.yml` workflow.
+
+on: [push]
+
+name: Quickstart
+
+jobs:
+  check:
+    name: Check
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+
+      - name: Run cargo check
+        uses: actions-rs/cargo@v1
+        continue-on-error: false
+        with:
+          command: check
+
+  test:
+    name: Test Suite
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+
+      - name: Run cargo test
+        uses: actions-rs/cargo@v1
+        continue-on-error: false
+        with:
+          command: test
+
+  lints:
+    name: Lints
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          components: rustfmt, clippy
+
+      - name: Run cargo fmt
+        uses: actions-rs/cargo@v1
+        continue-on-error: false
+        with:
+          command: fmt
+          args: --all -- --check
+
+      - name: Run cargo clippy
+        uses: actions-rs/cargo@v1
+        continue-on-error: false
+        with:
+          command: clippy
+          args: -- -D warnings