Add cachekey

Signed-off-by: Marcel Müller <neikos@neikos.email>

.forgejo/workflows/ci.yml

@@ -0,0 +1,43 @@
+name: Cargo Build & Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  formatting:
+    name: hem - Formatting
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Rust
+        uses: https://github.com/dtolnay/rust-toolchain@1.88
+        with:
+          components: rustfmt
+      - run: cargo fmt --check
+  build_and_test:
+    name: hem - Build & Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Rust
+        uses: https://github.com/dtolnay/rust-toolchain@1.88
+        id: toolchain
+        with:
+          components: clippy
+      - name: ⚡ Cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}-${{ steps.toolchain.outputs.cachekey }}
+      - run: cargo clippy --all-targets -- -D warnings
+      - run: cargo build --verbose
+      - run: cargo test --verbose

src/main.rs

@@ -1,3 +1,5 @@
+#![expect(dead_code)]
+
 use clap::Parser;
 
 mod cli;
@@ -5,10 +7,10 @@ mod expr;
 
 fn main() -> miette::Result<()> {
     let args = cli::Args::parse();
-    let input_delim = args.delimiter();
-    let input = args.input();
+    let _input_delim = args.delimiter();
+    let _input = args.input();
 
-    let expression = expr::parse(&args.expression)?;
+    let _expression = expr::parse(&args.expression)?;
 
     Ok(())
 }