Merge branch 'google:main' into async-chapter

Author: sakex

.github/workflows/build.yml

@@ -25,6 +25,16 @@ jobs:
       - name: Test code snippets
         run: mdbook test
 
+  format:
+    name: Format
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Format Rust code
+        run: cargo fmt --all -- --check
+
   cargo:
     runs-on: ubuntu-latest
     steps:
@@ -40,6 +50,42 @@ jobs:
       - name: Test Rust code
         run: cargo test
 
+  bare-metal:
+    name: Build bare-metal Rust examples
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - directory: src/bare-metal/alloc-example
+            target: aarch64-unknown-none
+          - directory: src/bare-metal/aps/examples
+            target: aarch64-unknown-none
+          - directory: src/bare-metal/microcontrollers/examples
+            target: thumbv7em-none-eabihf
+          - directory: src/exercises/bare-metal/compass
+            target: thumbv7em-none-eabihf
+          - directory: src/exercises/bare-metal/rtc
+            target: aarch64-unknown-none
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Rust cache
+        uses: ./.github/workflows/setup-rust-cache
+
+      - name: Install dependencies
+        run: sudo apt update && sudo apt install gcc-aarch64-linux-gnu
+
+      - name: Install toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          target: ${{ matrix.target }}
+
+      - name: Build Rust code
+        working-directory: ${{ matrix.directory }}
+        run: cargo build
+
   i18n-helpers:
     runs-on: ubuntu-latest
     steps:

.gitignore

@@ -3,4 +3,4 @@ target/
 po/messages.pot
 po/*.mo
 .DS_Store
-
+*.bin

Cargo.lock

@@ -2,4 +2,6 @@
 members = [
   "i18n-helpers",
   "src/exercises",
+  "src/bare-metal/useful-crates/allocator-example",
+  "src/bare-metal/useful-crates/zerocopy-example",
 ]

Cargo.toml

@@ -21,7 +21,7 @@
 //! is found under `po` directory based on the `book.language`.
 //! For example, `book.langauge` is set to `ko`, then `po/ko.po` is used.
 //! You can set `preprocessor.gettext.po-dir` to specify where to find PO
-//! files. If the PO file is not found, you'll get the untranslated book. 
+//! files. If the PO file is not found, you'll get the untranslated book.
 //!
 //! See `TRANSLATIONS.md` in the repository root for more information.
 
@@ -33,8 +33,7 @@ use mdbook::BookItem;
 use polib::catalog::Catalog;
 use polib::po_file;
 use semver::{Version, VersionReq};
-use std::io;
-use std::process;
+use std::{io, process};
 use toml::Value;
 
 fn translate(text: &str, catalog: &Catalog) -> String {

i18n-helpers/src/bin/mdbook-gettext.rs

@@ -26,8 +26,7 @@ use mdbook::renderer::RenderContext;
 use mdbook::BookItem;
 use polib::catalog::Catalog;
 use polib::message::Message;
-use std::fs;
-use std::io;
+use std::{fs, io};
 
 fn add_message(catalog: &mut Catalog, msgid: &str, source: &str) {
     let sources = match catalog.find_message(msgid) {
@@ -91,8 +90,7 @@ fn create_catalog(ctx: &RenderContext) -> anyhow::Result<Catalog> {
                 Some(path) => ctx.config.book.src.join(path),
                 None => continue,
             };
-            for msg in i18n_helpers::extract_msgs(&chapter.content)
-            {
+            for msg in i18n_helpers::extract_msgs(&chapter.content) {
                 let source = format!("{}:{}", path.display(), msg.line_number());
                 add_message(&mut catalog, msg.text(&chapter.content), &source);
             }