From ffb9cfa48bc257c8660adc06999d0d5ff163a784 Mon Sep 17 00:00:00 2001
From: Ossi Salmi <osalmi@iki.fi>
Date: Wed, 12 Mar 2025 15:09:15 +0200
Subject: [PATCH 1/2] Add workspaces option

---
 action.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/action.yml b/action.yml
index c97f1ba..4355482 100644
--- a/action.yml
+++ b/action.yml
@@ -20,6 +20,9 @@ inputs:
   cache-key:
     description: Additional cache key for rust-cache.
     required: false
+  workspaces:
+    description: Cargo workspaces for rust-cache.
+    required: false
 
 runs:
   using: composite
@@ -42,4 +45,5 @@ runs:
     - uses: Swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2.7.7
       with:
         key: ${{ inputs.cache-key }}
+        workspaces: ${{ inputs.workspaces }}
       if: inputs.use-cache == 'true'

From 2fabf02b7d1630e31eafb443751f37de985e2f52 Mon Sep 17 00:00:00 2001
From: Ossi Salmi <osalmi@iki.fi>
Date: Wed, 12 Mar 2025 15:11:44 +0200
Subject: [PATCH 2/2] Add tests

---
 .github/workflows/tests.yml | 41 +++++++++++++++++++++++++++++++++++++
 tests/.gitignore            |  1 +
 tests/Cargo.lock            |  7 +++++++
 tests/Cargo.toml            |  7 +++++++
 tests/src/main.rs           |  3 +++
 5 files changed, 59 insertions(+)
 create mode 100644 .github/workflows/tests.yml
 create mode 100644 tests/.gitignore
 create mode 100644 tests/Cargo.lock
 create mode 100644 tests/Cargo.toml
 create mode 100644 tests/src/main.rs

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..cebe31f
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,41 @@
+---
+name: Tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        toolchain:
+          - stable
+          - beta
+        use-cache:
+          - true
+          - false
+
+    defaults:
+      run:
+        working-directory: tests
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: ./
+        with:
+          toolchain: ${{ matrix.toolchain }}
+          use-cache: ${{ matrix.use-cache }}
+          components: rustfmt
+          workspaces: tests
+
+      - run: cargo fmt --check
+      - run: cargo check
+      - run: cargo build --release
diff --git a/tests/.gitignore b/tests/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/tests/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/tests/Cargo.lock b/tests/Cargo.lock
new file mode 100644
index 0000000..38b565b
--- /dev/null
+++ b/tests/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "tests"
+version = "0.1.0"
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
new file mode 100644
index 0000000..fa3653e
--- /dev/null
+++ b/tests/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "tests"
+version = "0.1.0"
+edition = "2024"
+publish = false
+
+[dependencies]
diff --git a/tests/src/main.rs b/tests/src/main.rs
new file mode 100644
index 0000000..e7a11a9
--- /dev/null
+++ b/tests/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}