Set up the initial CI pipeline

.github/workflows/rust.yml

@@ -10,13 +10,48 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build:
-
+  build-and-test-linux:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Install LLD
+      run: sudo apt-get install -y lld
+    - name: Install target -- i686-unknown-linux-musl
+      run: rustup target add i686-unknown-linux-musl
+    - name: Build and test (generic)
+      run: ./ci/jobs/build-and-test.sh
+    - name: Build and test (Linux-only)
+      run: ./ci/jobs/build-and-test-linux.sh
+  build-and-test-macos:
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build and test
+      run: ./ci/jobs/build-and-test.sh
+  build-and-test-windows:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build and test
+      shell: bash
+      run: ./ci/jobs/build-and-test.sh
+  clippy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Install clippy (base toolchain)
+      run: rustup component add clippy
+    - name: Install clippy (zygote toolchain)
+      run: cd crates/polkavm-zygote && rustup component add clippy
+    - name: Run clippy
+      run: ./ci/jobs/clippy.sh
+  rustfmt:
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v3
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
+    - uses: actions/checkout@v4
+    - name: Install rustfmt (base toolchain)
+      run: rustup component add rustfmt
+    - name: Install rustfmt (zygote toolchain)
+      run: cd crates/polkavm-zygote && rustup component add rustfmt
+    - name: Run rustfmt
+      run: ./ci/jobs/rustfmt.sh

ci/jobs/build-and-test-linux.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+set -euo pipefail
+cd -- "$(dirname -- "${BASH_SOURCE[0]}")"
+cd ../..
+
+echo ">> cargo build (zygote)"
+cd crates/polkavm-zygote
+cargo build --release
+cd ../..
+
+echo ">> cargo run (examples, musl)"
+POLKAVM_TRACE_EXECUTION=1 POLKAVM_ALLOW_INSECURE=1 cargo run --target=i686-unknown-linux-musl -p hello-world-host

ci/jobs/build-and-test.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -euo pipefail
+cd -- "$(dirname -- "${BASH_SOURCE[0]}")"
+cd ../..
+
+echo ">> cargo test (debug)"
+cargo test --all
+
+echo ">> cargo test (release)"
+cargo test --all --release
+
+echo ">> cargo run (examples)"
+POLKAVM_TRACE_EXECUTION=1 POLKAVM_ALLOW_INSECURE=1 cargo run -p hello-world-host

ci/jobs/build-guests.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+set -euo pipefail
+cd -- "$(dirname -- "${BASH_SOURCE[0]}")"
+cd ../..
+
+if [ "${CI_RV32E_TOOLCHAIN_AVAILABLE:-}" == 1 ]; then
+    echo ">> cargo build (example guests)"
+    cd examples/guests
+    cargo build --all
+    cd ../..
+fi

ci/jobs/clippy.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -euo pipefail
+cd -- "$(dirname -- "${BASH_SOURCE[0]}")"
+cd ../..
+
+echo ">> cargo clippy"
+RUSTFLAGS="-D warnings" cargo clippy --all
+
+echo ">> cargo clippy (zygote)"
+cd crates/polkavm-zygote
+RUSTFLAGS="-D warnings" cargo clippy --all
+cd ../..
+
+if [ "${CI_RV32E_TOOLCHAIN_AVAILABLE:-}" == 1 ]; then
+    echo ">> cargo clippy (example guests)"
+    cd examples/guests
+    RUSTFLAGS="-D warnings" cargo clippy --all
+    cd ../..
+fi

ci/jobs/rustfmt.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -euo pipefail
+cd -- "$(dirname -- "${BASH_SOURCE[0]}")"
+cd ../..
+
+echo ">> cargo fmt"
+cargo fmt --check --all
+
+echo ">> cargo fmt (zygote)"
+cd crates/polkavm-zygote
+cargo fmt --check --all
+cd ../..
+
+if [ "${CI_RV32E_TOOLCHAIN_AVAILABLE:-}" == 1 ]; then
+    echo ">> cargo fmt (example guests)"
+    cd examples/guests
+    cargo fmt --check --all
+    cd ../..
+fi

ci/run-all-tests.sh

@@ -1,27 +1,19 @@
 #!/bin/bash
 
 set -euo pipefail
-
+cd -- "$(dirname -- "${BASH_SOURCE[0]}")"
 cd ..
 
-cargo test --all
-POLKAVM_TRACE_EXECUTION=1 POLKAVM_ALLOW_INSECURE=1 cargo run -p hello-world-host
-POLKAVM_TRACE_EXECUTION=1 POLKAVM_ALLOW_INSECURE=1 cargo run --target=i686-unknown-linux-musl -p hello-world-host
-
-cd crates/polkavm-zygote
-cargo build --release
-RUSTFLAGS='-D warnings' cargo clippy --all
-cargo fmt --check --all
-cd ../..
+./ci/jobs/build-and-test.sh
 
-cd examples/guests
-cargo build
-RUSTFLAGS='-D warnings' cargo clippy --all
-cargo fmt --check --all
-cd ../..
+case "$OSTYPE" in
+  linux*)
+    ./ci/jobs/build-and-test-linux.sh
+esac
 
-RUSTFLAGS='-D warnings' cargo clippy --all
-cargo fmt --check --all
+./ci/jobs/build-guests.sh
+./ci/jobs/clippy.sh
+./ci/jobs/rustfmt.sh
 
 echo "----------------------------------------"
 echo "All tests finished!"