update CI

.github/scripts/install_rust.sh

@@ -0,0 +1,60 @@
+#! /usr/bin/env bash
+
+# version       0.2.0
+# executed by   during CI
+# task          installs Rust
+
+set -eE -u -o pipefail
+shopt -s inherit_errexit
+
+function exit_with_error() {
+  echo "${1}" >&2
+  exit 1
+}
+
+function usage() {
+  local BOLD=$(echo -e '\e[1m')
+  local UNDERLINED=$(echo -e '\e[4m')
+  local RESET=$(echo -e '\e[0m')
+  echo -e "Build or serve the documentation
+
+${BOLD}${UNDERLINED}Usage:${RESET} .github/scripts/documentation.sh <COMMAND>
+
+${BOLD}${UNDERLINED}Commands:${RESET}
+  build                   Build the documentation (create HTML/CSS/JS)
+  update_versions_json    (CI only) update a special versioning file
+  serve                   Serve locally under 'http://127.0.0.1:8080'
+
+"
+}
+
+function parse_options_and_arguments() {
+  RUSTUP_PARAMETERS=('--quiet' '-y' '--default-toolchain' 'none' '--profile' 'minimal' '--no-update-default-toolchain')
+
+  while [[ ${#} -gt 0 ]]; do
+    case "${1}" in
+      ( '--rustup-parameters' )
+        [[ -n ${2:-} ]] || exit_with_error "No parameters provided after '--additional-rustup-parameters' option"
+        readarray -t -d ' ' RUSTUP_PARAMETERS <<< "${2:-}"
+        ;;
+
+      ( * )
+        usage
+        exit_with_error "Unknown option(s) '${1}' ${2:+"and '${2}'"}"
+        ;;
+    esac
+
+    shift 2
+  done
+}
+
+function install_rust() {
+  curl -sSfL 'https://sh.rustup.rs' | sh -s -- "${RUSTUP_PARAMETERS[@]}"
+
+  rustup --version
+  cargo version
+  rustc --version
+}
+
+parse_options_and_arguments "${@}"
+install_rust

.github/workflows/code_tests.yml

@@ -5,69 +5,46 @@ on: # yamllint disable-line rule:truthy
   workflow_dispatch:
   pull_request:
     paths:
-      - .github/workflows/kernel-tests.yml
-      - kernel/**
+      - .github/workflows/code_tests.yml
+      - code/**
     branches: ['**']
   push:
-    paths: [kernel/**]
+    paths: [code/**]
     branches: [master]
 
 defaults:
   run:
-    shell: bash
+    working-directory: code
 
 jobs:
-  linting:
+  kernel-linting:
     name: Lint the kernel code
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout code
-        uses: actions/[email protected]
-        with:
-          submodules: true
+        uses: actions/checkout@v4
 
-      - name: Install nightly toolchain
-        uses: actions-rs/[email protected]
-        with:
-          profile: minimal
-          toolchain: nightly-2022-02-12
-          override: true
-          components: rustfmt, clippy
+      - name: Install Rust
+        run:  ../.github/scripts/install_rust.sh
 
-      - name: Install Rustup Components
-        run: rustup component add rust-src llvm-tools-preview
-
-      - name: Run all kernel-related checks
+      - name: Run all checks
         run: >-
-          source scripts/init.sh
-          && cargo run --quiet --package helper -- check --is-ci -vv
+          cargo run -- -vv check
 
   unit-and-integration-tests:
-    name: Run all unit- and integration-tests
-    runs-on: ubuntu-20.04
+    name: Run unit- and integration-tests
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout code
-        uses: actions/[email protected]
-        with:
-          submodules: true
-
-      - name: Install nightly toolchain
-        uses: actions-rs/[email protected]
-        with:
-          profile: minimal
-          toolchain: nightly-2022-02-12
-          override: true
+        uses: actions/checkout@v4
 
-      - name: Install Rustup Components
-        run: rustup component add rust-src llvm-tools-preview
+      - name: Install Rust
+        run:  ../.github/scripts/install_rust.sh
 
-      - name: Install QEMU
-        run: sudo apt update && sudo apt install qemu-system-x86
-
-      - name: Print QEMU version
-        run: qemu-system-x86_64 --version
+      - name: Run all unit-test
+        run: >-
+          cargo run -- -vv u-test
 
-      - name: Run `cargo test`
+      - name: Run all integration-tests
         run: >-
-          source scripts/init.sh
-          && cargo run --quiet --package helper -- test --is-ci -vv
+          cargo run -- -vv u-test