Sync common files from infra repository

.bootc-dev-infra-commit.txt

@@ -1 +1 @@
-486f80629171817efc99ded97d6902b59a2c7e26
+ac9dac019eeafc3a1791bd564cbd8d1455f2a6e9

.github/actions/bootc-ubuntu-setup/action.yml

@@ -61,16 +61,6 @@ runs:
       id: set_arch
       shell: bash
       run: echo "ARCH=$(arch)" >> $GITHUB_ENV
-    # We often use Rust, so set up opinionated default caching
-    - name: Setup Rust cache
-      uses: Swatinem/rust-cache@v2
-      with:
-        cache-all-crates: true
-        # Only generate caches on push to git main
-        save-if: ${{ github.ref == 'refs/heads/main' }}
-        # Suppress actually using the cache for builds running from
-        # git main so that we avoid incremental compilation bugs
-        lookup-only: ${{ github.ref == 'refs/heads/main' }}
     # Install libvirt stack if requested
     - name: Install libvirt and virtualization stack
       if: ${{ inputs.libvirt == 'true' }}

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

@@ -0,0 +1,20 @@
+name: 'Setup Rust'
+description: 'Install Rust toolchain with caching and nextest'
+runs:
+  using: 'composite'
+  steps:
+    - name: Install Rust toolchain
+      uses: dtolnay/rust-toolchain@stable
+    - name: Install nextest
+      uses: taiki-e/install-action@v2
+      with:
+        tool: nextest
+    - name: Setup Rust cache
+      uses: Swatinem/rust-cache@v2
+      with:
+        cache-all-crates: true
+        # Only generate caches on push to git main
+        save-if: ${{ github.ref == 'refs/heads/main' }}
+        # Suppress actually using the cache for builds running from
+        # git main so that we avoid incremental compilation bugs
+        lookup-only: ${{ github.ref == 'refs/heads/main' }}

.github/workflows/main.yml

@@ -20,7 +20,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: ./.github/actions/bootc-ubuntu-setup
+      - name: Setup bootc Ubuntu environment
+        uses: ./.github/actions/bootc-ubuntu-setup
         with:
           libvirt: 'true'
 
@@ -33,9 +34,7 @@ jobs:
           echo "ALL_BASE_IMAGES=$(just --evaluate ALL_BASE_IMAGES)" >> $GITHUB_ENV
 
       - name: Setup Rust
-        uses: dtolnay/rust-toolchain@stable
-
-      - uses: taiki-e/install-action@nextest
+        uses: ./.github/actions/setup-rust
 
       - name: Build
         run: just validate && just build
@@ -102,9 +101,7 @@ jobs:
           echo "ALL_BASE_IMAGES=$(just --evaluate ALL_BASE_IMAGES)" >> $GITHUB_ENV
 
       - name: Setup Rust
-        uses: dtolnay/rust-toolchain@stable
-
-      - uses: taiki-e/install-action@nextest
+        uses: ./.github/actions/setup-rust
 
       - name: Pull test images
         run: just pull-test-images