Add CI check for redox OS

.github/workflows/main.yml

@@ -26,6 +26,17 @@ jobs:
       - run: cargo build --all-targets --workspace
       - run: cargo test --all-targets --workspace
 
+  redox_check:
+    runs-on: ubuntu-latest
+    env:
+      RUST_BACKTRACE: 1
+    steps:
+      - uses: actions/checkout@v2
+      - run: |
+          rustup default nightly
+          rustup target add x86_64-unknown-redox
+      - run: cargo check --all-targets --workspace --target x86_64-unknown-redox
+
   rustfmt:
     runs-on: ubuntu-latest
     steps:
@@ -34,24 +45,64 @@ jobs:
       - run: cargo fmt -- --check
 
   minimum-rust-version:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
       - run: |
           rustup toolchain install 1.34.0
           rustup default 1.34.0
-      - run: cargo build --all-targets --all
+          rustup target add \
+            x86_64-pc-windows-gnu \
+            x86_64-apple-darwin \
+            x86_64-pc-windows-msvc
+      - run: |
+          for target in x86_64-pc-windows-gnu x86_64-apple-darwin x86_64-pc-windows-msvc; do
+            echo "== checking $target =="
+            cargo check --all-targets --all --target "$target"
+          done
+        shell: bash
 
   clippy:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - run: rustup component add clippy
-        # FIXME: Remove `-- -A clippy::option_as_ref_deref` when MSRV is bumped past 1.40.0
-      - run: cargo clippy --all --all-targets -- -A clippy::option_as_ref_deref
+      - run: |
+          rustup component add clippy
+          rustup target add \
+            x86_64-pc-windows-gnu \
+            x86_64-apple-darwin \
+            x86_64-pc-windows-msvc
+      - run: |
+          for target in x86_64-pc-windows-gnu x86_64-apple-darwin x86_64-pc-windows-msvc; do
+            echo "== checking $target =="
+            cargo check --all-targets --all --target "$target"
+            git ls-files '*lib.rs' | xargs touch
+            # FIXME: Remove `-- -A clippy::option_as_ref_deref` when MSRV is bumped past 1.40.0
+            cargo clippy --all-targets --all --target "$target" \
+              -- \
+              -A clippy::option_as_ref_deref \
+              -A clippy::redundant_field_names
+          done
+        shell: bash
+
+  # These jobs doesn't actually test anything, but they're only used to tell
+  # bors the build completed, as there is no practical way to detect when a
+  # workflow is successful listening to webhooks only.
+  #
+  # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB!
+  end-success:
+    name: bors build finished
+    runs-on: ubuntu-latest
+    needs: [build, redox_check, rustfmt, minimum-rust-version]
+    if: github.actor == 'bors[bot]' && success()
+    steps:
+      - name: mark the job as a success
+        run: exit 0
+  end-failure:
+    name: bors build finished
+    runs-on: ubuntu-latest
+    needs: [build, redox_check, rustfmt, minimum-rust-version]
+    if: github.actor == 'bors[bot]' && (failure() || cancelled())
+    steps:
+      - name: mark the job as a failure
+        run: exit 1

bors.toml

@@ -1,11 +1,4 @@
-status = [
-  "build (ubuntu-latest)",
-  "build (windows-latest)",
-  "build (macos-latest)",
-  "minimum-rust-version (ubuntu-latest)",
-  "minimum-rust-version (windows-latest)",
-  "minimum-rust-version (macos-latest)",
-]
+status = ["bors build finished"]
 
 # Default timeout is one hour
 timeout_sec = 600

dirs-sys/src/lib.rs

@@ -68,7 +68,7 @@ mod target_redox {
 
     use std::path::PathBuf;
 
-    use super::redox_users::{All, AllUsers, Config};
+    use redox_users::{All, AllUsers, Config};
 
     pub fn home_dir() -> Option<PathBuf> {
         let current_uid = redox_users::get_uid().ok()?;