check cargo install in the CI too

Author: sylvestre

.github/workflows/l10n.yml

@@ -1118,6 +1118,151 @@ jobs:
       env:
         RUST_BACKTRACE: "1"
 
+  l10n_cargo_install_regression_test:
+    name: L10n/Cargo Install Regression Test
+    runs-on: ubuntu-latest
+    env:
+      SCCACHE_GHA_ENABLED: "true"
+      RUSTC_WRAPPER: "sccache"
+    steps:
+    - uses: actions/checkout@v5
+      with:
+        persist-credentials: false
+    - uses: dtolnay/rust-toolchain@stable
+    - uses: Swatinem/rust-cache@v2
+    - name: Run sccache-cache
+      uses: mozilla-actions/sccache-action@v0.0.9
+    - name: Install/setup prerequisites
+      shell: bash
+      run: |
+        ## Install/setup prerequisites
+        sudo apt-get -y update ; sudo apt-get -y install libselinux1-dev build-essential
+    - name: Test cargo install locale functionality for individual utilities
+      shell: bash
+      run: |
+        ## Test that individual utilities installed via cargo install have proper locale support
+        echo "Testing cargo install locale functionality regression..."
+
+        # Create temporary install directory
+        INSTALL_DIR="$(pwd)/test-install-dir"
+        mkdir -p "$INSTALL_DIR"
+
+        # Test specific utilities that are representative of different patterns
+        utilities_to_test=("cp" "mv" "ln" "tr" "cut" "yes")
+
+        echo "Testing ${#utilities_to_test[@]} utilities with locales: ${utilities_to_test[*]}"
+
+        # Test each utility
+        for util in "${utilities_to_test[@]}"; do
+          # Skip if utility doesn't have locales
+          if [ ! -d "src/uu/$util/locales" ]; then
+            echo "Skipping $util (no locales directory)"
+            continue
+          fi
+          
+          echo "Testing cargo install for $util..."
+
+          # Install the utility
+          cargo install --path "src/uu/$util" --root "$INSTALL_DIR" --force --quiet
+
+          # Test that the binary exists and runs
+          binary_path="$INSTALL_DIR/bin/$util"
+          if [ -f "$binary_path" ]; then
+              echo "✓ $util binary installed successfully"
+
+              # Test --help doesn't show locale errors
+              help_output=$("$binary_path" --help 2>&1)
+              help_exit_code=$?
+
+              if [ $help_exit_code -eq 0 ]; then
+                echo "✓ $util --help executes successfully"
+
+                # Check for locale error messages that indicate regression
+                if echo "$help_output" | grep -q "Could not init the localization system"; then
+                  echo "✗ ERROR: $util shows locale initialization error - this is a REGRESSION"
+                  echo "Help output: $help_output"
+                  exit 1
+                elif echo "$help_output" | grep -q "Locales directory not found"; then
+                  echo "✗ ERROR: $util shows locale directory error - this is a REGRESSION"
+                  echo "Help output: $help_output"
+                  exit 1
+                else
+                  echo "✓ $util locale functionality working (no error messages)"
+                fi
+
+                # For utilities we know work well, check for proper English text
+                case "$util" in
+                  "yes")
+                    if echo "$help_output" | grep -q "Repeatedly display a line with STRING"; then
+                      echo "✓ $util shows proper English help text"
+                    else
+                      echo "⚠ $util help text may not be fully localized, but no errors detected"
+                    fi
+                    ;;
+                  "touch")
+                    if echo "$help_output" | grep -q -E "(Update|change) .* access.* modifi"; then
+                      echo "✓ $util shows proper English help text"
+                    else
+                      echo "⚠ $util help text may not be fully localized, but no errors detected"
+                    fi
+                    ;;
+                  *)
+                    echo "✓ $util executed without locale errors (content not validated)"
+                    ;;
+                esac
+              else
+                echo "✗ ERROR: $util --help failed with exit code $help_exit_code"
+                echo "Help output: $help_output"
+                exit 1
+              fi
+
+              # Test basic functionality
+              case "$util" in
+                "yes")
+                  # Test that yes produces output
+                  yes_output=$(timeout 1s "$binary_path" test 2>/dev/null || true)
+                  if echo "$yes_output" | grep -q "test"; then
+                    echo "✓ $util basic functionality works"
+                  else
+                    echo "✗ ERROR: $util basic functionality failed"
+                    exit 1
+                  fi
+                  ;;
+                "touch")
+                  # Test that touch can create a file
+                  temp_file="$(mktemp)"
+                  rm -f "$temp_file"
+                  if "$binary_path" "$temp_file" && [ -f "$temp_file" ]; then
+                    echo "✓ $util basic functionality works"
+                    rm -f "$temp_file"
+                  else
+                    echo "✗ ERROR: $util basic functionality failed"
+                    exit 1
+                  fi
+                  ;;
+                *)
+                  # For other utilities, just test --version
+                  if "$binary_path" --version >/dev/null 2>&1; then
+                    echo "✓ $util --version works"
+                  else
+                    echo "✗ ERROR: $util --version failed"
+                    exit 1
+                  fi
+                  ;;
+              esac
+          else
+            echo "✗ ERROR: $util binary not found after cargo install"
+            exit 1
+          fi
+          echo
+        done
+
+        echo "✓ All cargo install locale functionality tests passed"
+        echo "This confirms that individual utilities can be installed via cargo install without locale regression"
+
+        # Clean up
+        rm -rf "$INSTALL_DIR"
+
   l10n_locale_embedding_regression_test:
     name: L10n/Locale Embedding Regression Test
     runs-on: ubuntu-latest