Refactor out datafusion app to its own crate

.github/actions/setup-rust/action.yml

@@ -0,0 +1,35 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+name: "Setup Rust"
+description: "Installs the stable Rust toolchain and optionally adds extra components"
+inputs:
+  add_clippy:
+    description: "Whether to add the clippy component"
+    required: false
+    default: "false"
+runs:
+  using: "composite"
+  steps:
+    - name: Setup Rust toolchain
+      shell: bash
+      run: |
+        rustup show
+        rustup self update
+        rustup install stable
+        rustup default stable
+        rustup component add clippy

.github/workflows/checks.yml

@@ -25,14 +25,10 @@ jobs:
     strategy:
       matrix:
         arch: [amd64]
-        rust: [stable]
     steps:
       - uses: actions/checkout@v2
-      - name: Setup toolchain
-        run: |
-          rustup toolchain install stable
-          rustup default stable
-          rustup component add rustfmt
+      - name: Setup Rust Toolchain
+        uses: ./.github/actions/setup-rust
       - name: Run
         run: cargo fmt --all -- --check
   clippy:
@@ -41,7 +37,6 @@ jobs:
     strategy:
       matrix:
         arch: [amd64]
-        rust: [stable]
     container:
       image: ${{ matrix.arch }}/rust
       env:
@@ -53,20 +48,17 @@ jobs:
         with:
           submodules: true
       - name: Cache Cargo
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: /home/runner/.cargo
           key: cargo-S3-cache-
+      - name: Setup Rust Toolchain
+        uses: ./.github/actions/setup-rust
       - name: Cache Rust dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: /home/runner/target
           key: target-S3-cache-
-      - name: Setup Rust toolchain
-        run: |
-          rustup toolchain install ${{ matrix.rust }}
-          rustup default ${{ matrix.rust }}
-          rustup component add rustfmt clippy
       - name: Run clippy
         run: |
           cargo clippy --all-features --workspace -- -D warnings