ci: checkexamples can use the same template

.github/workflows/build.yml

@@ -108,102 +108,65 @@ jobs:
   # Clippy (hifive1) TODO
   # clippyhifive1:
 
-  # Platform lm3s6965: verify all examples, checks
-  checkexampleslm3s6965:
-    name: check examples (lm3s6965)
+  # Verify all examples, checks
+  checkexamples:
+    name: check examples
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        backend:
-          - thumbv7
-          - thumbv6
-          - thumbv8-base
-          - thumbv8-main
-        toolchain:
-          - stable
+        input:
+          - backend: thumbv7
+            platform: lm3s6965
+            rustup-target: thumbv7m-none-eabi
+
+          - backend: thumbv6
+            platform: lm3s6965
+            rustup-target: thumbv6m-none-eabi
+
+          - backend: thumbv8-base
+            platform: lm3s6965
+            rustup-target: thumbv8m.base-none-eabi
+
+          - backend: thumbv8-main
+            platform: lm3s6965
+            rustup-target: thumbv8m.main-none-eabi
+
+          - backend: riscv32-imc-clint
+            platform: hifive1
+            rustup-target: riscv32imc-unknown-none-elf
+            custom-toolchain: rustup toolchain install nightly-2023-11-14 --component rust-src --target riscv32imc-unknown-none-elf && rustup override set nightly
+
+          - backend: riscv32-imc-mecall
+            platform: hifive1
+            rustup-target: riscv32imc-unknown-none-elf
+            custom-toolchain: rustup toolchain install nightly-2023-11-14 --component rust-src --target riscv32imc-unknown-none-elf && rustup override set nightly
+
+          - backend: riscv-esp32-c3
+            platform: esp32-c3
+            rustup-target: riscv32imc-unknown-none-elf
+            custom-toolchain: rustup toolchain install nightly-2023-11-14 --component rust-src --target riscv32imc-unknown-none-elf && rustup override set nightly
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Install Rust ${{ matrix.toolchain }}
-        run: |
-          rustup override set ${{ matrix.toolchain }}
-
-      - name: Configure Rust target (v6, v7, v8.b v8.m)
-        run: |
-          rustup target add thumbv7m-none-eabi
-          rustup target add thumbv6m-none-eabi
-          rustup target add thumbv8m.base-none-eabi
-          rustup target add thumbv8m.main-none-eabi
-
-      - name: Cache Dependencies
-        uses: Swatinem/rust-cache@v2
-
-      - name: Check the examples
-        if: ${{ matrix.backend == 'thumbv8-base' }}
-        run: cargo xtask --platform lm3s6965 --backend ${{ matrix.backend }} --exampleexclude pool example-check
-
-      - name: Check the examples
-        if: ${{ matrix.backend != 'thumbv8-base' }}
-        run: cargo xtask --platform lm3s6965 --backend ${{ matrix.backend }} example-check
-  
-  # Platform hifive1: verify all examples, checks
-  checkexampleshifive1:
-    name: check examples (hifive1)
-    runs-on: ubuntu-22.04
-    strategy:
-      matrix:
-        backend:
-          - riscv32-imc-clint
-          - riscv32-imc-mecall
-        toolchain:
-          - stable
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install Rust ${{ matrix.toolchain }}
-        run: |
-          rustup override set ${{ matrix.toolchain }}
+      - name: Install optional custom toolchain
+        if: matrix.input.custom-toolchain
+        run: ${{ matrix.input.custom-toolchain }}
 
       - name: Configure Rust target
-        run: |
-          rustup target add riscv32imc-unknown-none-elf
+        run: rustup target add ${{ matrix.input.rustup-target }}
 
       - name: Cache Dependencies
         uses: Swatinem/rust-cache@v2
-      
+
       - name: Check the examples
-        run: cargo xtask --platform hifive1 --backend ${{ matrix.backend }} example-check
+        if: ${{ matrix.input.backend == 'thumbv8-base' }}
+        run: cargo xtask --platform ${{ matrix.input.platform }} --backend ${{ matrix.input.backend }} --exampleexclude pool example-check
 
-  # Platform esp32c3: verify all examples, checks
-  checkexamplesesp32c3:
-    name: check examples (esp32c3)
-    runs-on: ubuntu-22.04
-    strategy:
-      matrix:
-        backend:
-          - riscv-esp32-c3
-        toolchain:
-          - nightly
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install Rust ${{ matrix.toolchain }}
-        run: |
-          rustup toolchain install nightly-2023-11-14 --component rust-src --target riscv32imc-unknown-none-elf
-
-      - name: Configure Rust target
-        run: |
-          rustup target add riscv32imc-unknown-none-elf
-
-      - name: Cache Dependencies
-        uses: Swatinem/rust-cache@v2
-      
       - name: Check the examples
-        run: cargo xtask --platform esp32-c3 --backend ${{ matrix.backend }} example-check
-
+        if: ${{ matrix.input.backend != 'thumbv8-base' }}
+        run: cargo xtask --platform ${{ matrix.input.platform }} --backend ${{ matrix.input.backend }} example-check
 
   buildqemu:
     name: Get modern QEMU, build and store
@@ -888,9 +851,7 @@ jobs:
       # - checkhifive1 # TODO
       - clippylm3s6965
       # - clippyhifive1 # TODO
-      - checkexampleslm3s6965
-      - checkexampleshifive1
-      - checkexamplesesp32c3
+      - checkexamples
       - testexampleslm3s6965
       - testexampleshifive1
       - testexamplesesp32c3