feat(rust): Add "none" value for Rust feature "components"

src/github-cli/scripts/install-extensions.sh

@@ -26,10 +26,12 @@ install_extension() {
 
     mkdir -p "${extensions_root}"
     if [ ! -d "${extensions_root}/${repo_name}" ]; then
-        git \
-            -c credential.helper= \
-            -c credential.helper='!gh auth git-credential' \
-            clone --depth 1 "https://github.com/${extension}.git" "${extensions_root}/${repo_name}"
+        if ! gh extension install "${extension}"; then
+            git \
+                -c credential.helper= \
+                -c credential.helper='!gh auth git-credential' \
+                clone --depth 1 "https://github.com/${extension}.git" "${extensions_root}/${repo_name}"
+        fi
     fi
 }
 
@@ -79,6 +81,12 @@ if [ "$#" -ge 2 ]; then
                     url="${url#ssh://git@github.com/}"
                     url="${url#git@github.com:}"
                     echo "$url"
+                elif [ -f "$d/manifest.yml" ]; then
+                    owner="$(sed -nE 's/^[[:space:]]*owner:[[:space:]]*"?([^"#]+)"?.*$/\1/p' "$d/manifest.yml" | sed -n '1p')"
+                    name="$(sed -nE 's/^[[:space:]]*name:[[:space:]]*"?([^"#]+)"?.*$/\1/p' "$d/manifest.yml" | sed -n '1p')"
+                    if [ -n "$owner" ] && [ -n "$name" ]; then
+                        echo "$owner/$name"
+                    fi
                 fi
             done
         fi

src/rust/README.md

@@ -18,7 +18,7 @@ Installs Rust, common Rust utilities, and their required dependencies
 | version | Select or enter a version of Rust to install. | string | latest |
 | profile | Select a rustup install profile. | string | minimal |
 | targets | Optional comma separated list of additional Rust targets to install. | string | - |
-| components | Optional, comma separated list of Rust components to be installed | string | rust-analyzer,rust-src,rustfmt,clippy |
+| components | Optional, comma separated list of Rust components to be installed. Set to 'none' to install no components beyond the selected profile. | string | rust-analyzer,rust-src,rustfmt,clippy |
 
 ## Customizations
 

src/rust/devcontainer-feature.json

@@ -1,6 +1,6 @@
 {
     "id": "rust",
-    "version": "1.5.1",
+    "version": "1.6.0",
     "name": "Rust",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/rust",
     "description": "Installs Rust, common Rust utilities, and their required dependencies",
@@ -61,12 +61,13 @@
         "components": {
             "type": "string",
             "default": "rust-analyzer,rust-src,rustfmt,clippy",
-            "description": "Optional, comma separated list of Rust components to be installed",
+            "description": "Optional, comma separated list of Rust components to be installed. Set to 'none' to install no components beyond the selected profile.",
             "proposals": [
                 "rust-analyzer,rust-src,rustfmt,clippy",
                 "rust-analyzer,rust-src",
                 "rustfmt,clippy,rust-docs",
-                "llvm-tools-preview,rust-src,rustfmt"
+                "llvm-tools-preview,rust-src,rustfmt",
+                "none"
             ]
         }        
     },

src/rust/install.sh

@@ -10,7 +10,9 @@
 RUST_VERSION="${VERSION:-"latest"}"
 RUSTUP_PROFILE="${PROFILE:-"minimal"}"
 RUSTUP_TARGETS="${TARGETS:-""}"
-IFS=',' read -ra components <<< "${COMPONENTS:-rust-analyzer,rust-src,rustfmt,clippy}"
+# Set to "none" to install no components beyond the selected profile.
+RUSTUP_COMPONENTS="${COMPONENTS:-rust-analyzer,rust-src,rustfmt,clippy}"
+IFS=',' read -ra components <<< "${RUSTUP_COMPONENTS}"
 
 export CARGO_HOME="${CARGO_HOME:-"/usr/local/cargo"}"
 export RUSTUP_HOME="${RUSTUP_HOME:-"/usr/local/rustup"}"
@@ -396,19 +398,23 @@ if [ "${UPDATE_RUST}" = "true" ]; then
     echo "Updating Rust..."
     rustup update 2>&1
 fi
-# Install Rust components
-echo "Installing Rust components..."
-for component in "${components[@]}"; do
-    # Trim leading and trailing whitespace
-    component="${component#"${component%%[![:space:]]*}"}" && component="${component%"${component##*[![:space:]]}"}"
-    if [ -n "${component}" ]; then
-        echo "Installing Rust component: ${component}"
-        if ! rustup component add "${component}" 2>&1; then
-            echo "Warning: Failed to install component '${component}'. It may not be available for this toolchain." >&2
-            exit 1
+# Install Rust components (skip entirely when explicitly set to "none")
+if [ "${RUSTUP_COMPONENTS}" = "none" ]; then
+    echo "Skipping Rust components installation as 'components' is set to 'none'."
+else
+    echo "Installing Rust components..."
+    for component in "${components[@]}"; do
+        # Trim leading and trailing whitespace
+        component="${component#"${component%%[![:space:]]*}"}" && component="${component%"${component##*[![:space:]]}"}"
+        if [ -n "${component}" ]; then
+            echo "Installing Rust component: ${component}"
+            if ! rustup component add "${component}" 2>&1; then
+                echo "Warning: Failed to install component '${component}'. It may not be available for this toolchain." >&2
+                exit 1
+            fi
         fi
-    fi
-done
+    done
+fi
 
 if [ -n "${RUSTUP_TARGETS}" ]; then
     IFS=',' read -ra targets <<< "${RUSTUP_TARGETS}"

test/github-cli/install_extensions.sh

@@ -9,6 +9,8 @@ check "gh-version" gh --version
 
 check "gh-extension-installed" gh extension list | grep -q 'dlvhdr/gh-dash'
 check "gh-extension-installed-2" gh extension list | grep -q 'github/gh-copilot'
+check "gh-extension-installed-3" gh extension list | grep -q 'github/gh-aw'
+check "gh-aw-runs" gh aw version
 
 # Report result
 reportResults

test/github-cli/scenarios.json

@@ -13,7 +13,7 @@
     "features": {
       "github-cli": {
         "version": "latest",
-        "extensions": "dlvhdr/gh-dash,github/gh-copilot"
+        "extensions": "dlvhdr/gh-dash,github/gh-copilot,github/gh-aw"
       }
     }
   }

test/rust/rust_with_none_components.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+# Helper function to check component is installed
+check_component_installed() {
+    local component=$1
+    if rustup component list | grep -q "${component}.*installed"; then
+        return 0  # Component is installed (success)
+    else
+        return 1  # Component is not installed (failure)
+    fi
+}
+
+# Helper function to check component is NOT installed
+check_component_not_installed() {
+    local component=$1
+    if rustup component list | grep -q "${component}.*installed"; then
+        return 1  # Component is installed (failure)
+    else
+        return 0  # Component is not installed (success)
+    fi
+}
+
+# Definition specific tests
+check "cargo version" cargo --version
+check "rustc version" rustc --version
+check "correct rust version" rustup target list | grep aarch64-unknown-linux-gnu
+
+# When components is set to "none", none of the default components should be installed
+check "rust-analyzer not installed" check_component_not_installed "rust-analyzer"
+check "rust-src not installed" check_component_not_installed "rust-src"
+check "rustfmt not installed" check_component_not_installed "rustfmt"
+check "clippy not installed" check_component_not_installed "clippy"
+
+# Report result
+reportResults

test/rust/scenarios.json

@@ -64,6 +64,16 @@
                 "components": ""
             }
         }
+    },
+    "rust_with_none_components": {
+        "image": "ubuntu:noble",
+        "features": {
+            "rust": {
+                "version": "latest",
+                "targets": "aarch64-unknown-linux-gnu",
+                "components": "none"
+            }
+        }
     },    
     "rust_with_centos": {
         "image": "centos:centos7",