CI: run cargo check for Redox OS

.github/workflows/CICD.yml

@@ -389,7 +389,6 @@ jobs:
           - { os: ubuntu-latest  , target: x86_64-unknown-linux-gnu    , features: "feat_os_unix,openssl,uudoc"   , use-cross: no, workspace-tests: true, pgo: PGO }
           - { os: ubuntu-latest  , target: x86_64-unknown-linux-musl   , features: feat_os_unix_musl , use-cross: use-cross }
           - { os: ubuntu-latest  , target: x86_64-unknown-netbsd, features: "feat_os_unix", use-cross: use-cross , skip-tests: true , check-only: true }
-          # - { os: ubuntu-latest  , target: x86_64-unknown-redox        , features: feat_os_unix_redox     , use-cross: redoxer , skip-tests: true , check-only: true }
           - { os: ubuntu-latest  , target: wasm32-wasip1, default-features: false, features: feat_wasm, skip-tests: true }
           - { os: ubuntu-latest  , target: wasm32-wasip2, default-features: false, features: feat_wasm, skip-tests: true }
           - { os: macos-latest   , target: aarch64-apple-darwin        , features: "feat_os_unix,openssl", workspace-tests: true, pgo: PGO } # M1 CPU
@@ -465,7 +464,6 @@ jobs:
           *-linux-*) TARGET_OS=linux ;;
           *-apple-*) TARGET_OS=macos ;;
           *-windows-*) TARGET_OS=windows ;;
-          *-redox*) TARGET_OS=redox ;;
         esac
         outputs TARGET_ARCH TARGET_OS
         # package name
@@ -499,10 +497,6 @@ jobs:
             CARGO_CMD='cargo'
             ARTIFACTS_SUFFIX='-nocross'
             ;;
-          redoxer)
-            CARGO_CMD='redoxer'
-            CARGO_CMD_OPTIONS=''
-            ;;
         esac
         # needed for target "aarch64-apple-darwin". There are two jobs, and the difference between them is whether "features" is set
         if [ -z "${{ matrix.job.features }}" ]; then ARTIFACTS_SUFFIX='-nofeatures' ; fi
@@ -553,10 +547,6 @@ jobs:
             sudo apt-get -y update
             sudo apt-get -y install gcc-riscv64-linux-gnu
           ;;
-          *-redox*)
-            sudo apt-get -y update
-            sudo apt-get -y install fuse3 libfuse-dev
-          ;;
         esac
         case '${{ matrix.job.os }}' in
           ubuntu-*)
@@ -581,10 +571,6 @@ jobs:
             echo 200:x:2000: | sudo tee -a /etc/group
             ;;
         esac
-    - uses: taiki-e/install-action@v2
-      if: steps.vars.outputs.CARGO_CMD == 'redoxer'
-      with:
-        tool: redoxer@0.2.56
     - name: Initialize toolchain-dependent workflow variables
       id: dep_vars
       shell: bash

.github/workflows/redox.yml

@@ -0,0 +1,30 @@
+name: Redox
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  test_redox:
+    name: cargo check
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v7.0.1
+      with:
+        persist-credentials: false
+    - uses: dtolnay/rust-toolchain@stable
+      with:
+        targets: x86_64-unknown-redox
+    - name: cargo check
+      env:
+        CARGO_INCREMENTAL: 0
+      run: cargo check --target x86_64-unknown-redox --no-default-features --features feat_os_unix_redox

Cargo.toml

@@ -668,9 +668,23 @@ feat_os_unix_fuchsia = [
 # "feat_os_unix_redox" == set of utilities which can be built/run on "Redox OS" (refs: <https://www.redox-os.org>; <https://en.wikipedia.org/wiki/Redox_(operating_system)>)
 feat_os_unix_redox = [
   "feat_common_core",
-  #
+  "chgrp",
   "chmod",
+  "chown",
+  "df",
+  "du",
+  "env",
+  "install",
+  "kill",
+  "logname",
+  "more",
+  "nice",
+  "nohup",
+  "nproc",
   "stat",
+  "stty",
+  "timeout",
+  "whoami",
 ]
 ##
 # * bypass/override ~ translate 'test' feature name to avoid dependency collision with rust core 'test' crate (o/w surfaces as compiler errors during testing)