feat(claude-code): install from script as npm is deprecated by Anthropic

src/claude-code/bootstrap.sh

@@ -0,0 +1,158 @@
+#!/bin/bash
+
+set -e
+
+# Parse command line arguments
+TARGET="$1"  # Optional target parameter
+
+# Validate target if provided
+if [[ -n "$TARGET" ]] && [[ ! "$TARGET" =~ ^(stable|latest|[0-9]+\.[0-9]+\.[0-9]+(-[^[:space:]]+)?)$ ]]; then
+    echo "Usage: $0 [stable|latest|VERSION]" >&2
+    exit 1
+fi
+
+GCS_BUCKET="https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases"
+DOWNLOAD_DIR="$HOME/.claude/downloads"
+
+# Check for required dependencies
+DOWNLOADER=""
+if command -v curl >/dev/null 2>&1; then
+    DOWNLOADER="curl"
+elif command -v wget >/dev/null 2>&1; then
+    DOWNLOADER="wget"
+else
+    echo "Either curl or wget is required but neither is installed" >&2
+    exit 1
+fi
+
+# Check if jq is available (optional)
+HAS_JQ=false
+if command -v jq >/dev/null 2>&1; then
+    HAS_JQ=true
+fi
+
+# Download function that works with both curl and wget
+download_file() {
+    local url="$1"
+    local output="$2"
+
+    if [ "$DOWNLOADER" = "curl" ]; then
+        if [ -n "$output" ]; then
+            curl -fsSL -o "$output" "$url"
+        else
+            curl -fsSL "$url"
+        fi
+    elif [ "$DOWNLOADER" = "wget" ]; then
+        if [ -n "$output" ]; then
+            wget -q -O "$output" "$url"
+        else
+            wget -q -O - "$url"
+        fi
+    else
+        return 1
+    fi
+}
+
+# Simple JSON parser for extracting checksum when jq is not available
+get_checksum_from_manifest() {
+    local json="$1"
+    local platform="$2"
+
+    # Normalize JSON to single line and extract checksum
+    json=$(echo "$json" | tr -d '\n\r\t' | sed 's/ \+/ /g')
+
+    # Extract checksum for platform using bash regex
+    if [[ $json =~ \"$platform\"[^}]*\"checksum\"[[:space:]]*:[[:space:]]*\"([a-f0-9]{64})\" ]]; then
+        echo "${BASH_REMATCH[1]}"
+        return 0
+    fi
+
+    return 1
+}
+
+# Detect platform
+case "$(uname -s)" in
+    Darwin) os="darwin" ;;
+    Linux) os="linux" ;;
+    MINGW*|MSYS*|CYGWIN*) echo "Windows is not supported by this script. See https://code.claude.com/docs for installation options." >&2; exit 1 ;;
+    *) echo "Unsupported operating system: $(uname -s). See https://code.claude.com/docs for supported platforms." >&2; exit 1 ;;
+esac
+
+case "$(uname -m)" in
+    x86_64|amd64) arch="x64" ;;
+    arm64|aarch64) arch="arm64" ;;
+    *) echo "Unsupported architecture: $(uname -m)" >&2; exit 1 ;;
+esac
+
+# Detect Rosetta 2 on macOS: if the shell is running as x64 under Rosetta on an ARM Mac,
+# download the native arm64 binary instead of the x64 one
+if [ "$os" = "darwin" ] && [ "$arch" = "x64" ]; then
+    if [ "$(sysctl -n sysctl.proc_translated 2>/dev/null)" = "1" ]; then
+        arch="arm64"
+    fi
+fi
+
+# Check for musl on Linux and adjust platform accordingly
+if [ "$os" = "linux" ]; then
+    if [ -f /lib/libc.musl-x86_64.so.1 ] || [ -f /lib/libc.musl-aarch64.so.1 ] || ldd /bin/ls 2>&1 | grep -q musl; then
+        platform="linux-${arch}-musl"
+    else
+        platform="linux-${arch}"
+    fi
+else
+    platform="${os}-${arch}"
+fi
+mkdir -p "$DOWNLOAD_DIR"
+
+# Always download latest version (which has the most up-to-date installer)
+version=$(download_file "$GCS_BUCKET/latest")
+
+# Download manifest and extract checksum
+manifest_json=$(download_file "$GCS_BUCKET/$version/manifest.json")
+
+# Use jq if available, otherwise fall back to pure bash parsing
+if [ "$HAS_JQ" = true ]; then
+    checksum=$(echo "$manifest_json" | jq -r ".platforms[\"$platform\"].checksum // empty")
+else
+    checksum=$(get_checksum_from_manifest "$manifest_json" "$platform")
+fi
+
+# Validate checksum format (SHA256 = 64 hex characters)
+if [ -z "$checksum" ] || [[ ! "$checksum" =~ ^[a-f0-9]{64}$ ]]; then
+    echo "Platform $platform not found in manifest" >&2
+    exit 1
+fi
+
+# Download and verify
+binary_path="$DOWNLOAD_DIR/claude-$version-$platform"
+if ! download_file "$GCS_BUCKET/$version/$platform/claude" "$binary_path"; then
+    echo "Download failed" >&2
+    rm -f "$binary_path"
+    exit 1
+fi
+
+# Pick the right checksum tool
+if [ "$os" = "darwin" ]; then
+    actual=$(shasum -a 256 "$binary_path" | cut -d' ' -f1)
+else
+    actual=$(sha256sum "$binary_path" | cut -d' ' -f1)
+fi
+
+if [ "$actual" != "$checksum" ]; then
+    echo "Checksum verification failed" >&2
+    rm -f "$binary_path"
+    exit 1
+fi
+
+chmod +x "$binary_path"
+
+# Run claude install to set up launcher and shell integration
+echo "Setting up Claude Code..."
+"$binary_path" install ${TARGET:+"$TARGET"}
+
+# Clean up downloaded file
+rm -f "$binary_path"
+
+echo ""
+echo "✅ Installation complete!"
+echo ""

src/claude-code/devcontainer-feature.json

@@ -1,7 +1,7 @@
 {
     "id": "claude-code",
-    "version": "1.0.0",
-    "name": "claude-code (via npm)",
+    "version": "2.0.0",
+    "name": "claude-code",
     "documentationURL": "http://github.com/devcontainers-extra/features/tree/main/src/claude-code",
     "description": "Claude Code is an agentic coding tool that lives in your terminal",
     "options": {

src/claude-code/install.sh

@@ -2,20 +2,13 @@
 
 set -e
 
-source ./library_scripts.sh
-
-# nanolayer is a cli utility which keeps container layers as small as possible
-# source code: https://github.com/devcontainers-extra/nanolayer
-# `ensure_nanolayer` is a bash function that will find any existing nanolayer installations,
-# and if missing - will download a temporary copy that automatically get deleted at the end
-# of the script
-ensure_nanolayer nanolayer_location "v0.5.6"
-
-# Example nanolayer installation via devcontainer-feature
-$nanolayer_location \
-    install \
-    devcontainer-feature \
-    "ghcr.io/devcontainers-extra/features/npm-package:1.0.4" \
-    --option package='@anthropic-ai/claude-code' --option version="$VERSION"
+# Install via Anthropic's recommended method
+# Script downloaded from them:
+# https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases/bootstrap.sh
+bash "$(dirname "$0")/bootstrap.sh" "$VERSION"
+
+# Copy the binary to /usr/local/bin for global access
+# It's installed in /root/.local/bin/claude and there's no option to override the install location
+cp "$HOME/.local/bin/claude" /usr/local/bin/claude
 
 echo 'Done!'