fix: replace broken native installer bootstrap script

install.sh

@@ -0,0 +1,224 @@
+#!/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"
+INSTALL_DIR="$HOME/.local/bin"
+
+# 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" ;;
+    *) echo "Windows is not supported" >&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"
+
+# Resolve version: use TARGET if it's a specific version, otherwise fetch latest
+if [[ "$TARGET" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[^[:space:]]+)?$ ]]; then
+    version="$TARGET"
+else
+    version=$(download_file "$GCS_BUCKET/latest")
+fi
+
+echo "Installing Claude Code v${version} for ${platform}..."
+
+# Download manifest and extract checksum
+manifest_json=$(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 "$binary_path"
+    exit 1
+fi
+
+echo "Checksum verified."
+
+chmod +x "$binary_path"
+
+# Install: move binary to ~/.local/bin/claude
+mkdir -p "$INSTALL_DIR"
+mv "$binary_path" "$INSTALL_DIR/claude"
+
+# Verify the installed binary works
+if ! "$INSTALL_DIR/claude" --version >/dev/null 2>&1; then
+    echo "ERROR: Installed binary at $INSTALL_DIR/claude is not working" >&2
+    exit 1
+fi
+
+installed_version=$("$INSTALL_DIR/claude" --version 2>&1 | head -1)
+echo "Installed: $installed_version"
+
+# Set up PATH if ~/.local/bin is not already in PATH
+setup_path() {
+    case "$PATH" in
+        *"$INSTALL_DIR"*) return 0 ;;  # Already in PATH
+    esac
+
+    local rc_file=""
+    local shell_name
+    shell_name="$(basename "${SHELL:-/bin/sh}")"
+
+    case "$shell_name" in
+        zsh)  rc_file="$HOME/.zshrc" ;;
+        bash)
+            # Prefer .bashrc, fall back to .bash_profile
+            if [ -f "$HOME/.bashrc" ]; then
+                rc_file="$HOME/.bashrc"
+            else
+                rc_file="$HOME/.bash_profile"
+            fi
+            ;;
+        fish) rc_file="$HOME/.config/fish/config.fish" ;;
+        *)    rc_file="$HOME/.profile" ;;
+    esac
+
+    if [ -z "$rc_file" ]; then
+        echo "Could not determine shell rc file. Add this to your shell config manually:"
+        echo "  export PATH=\"\$HOME/.local/bin:\$PATH\""
+        return 0
+    fi
+
+    # Check if already configured in the rc file
+    if [ -f "$rc_file" ] && grep -q '\.local/bin' "$rc_file" 2>/dev/null; then
+        return 0
+    fi
+
+    if [ "$shell_name" = "fish" ]; then
+        mkdir -p "$(dirname "$rc_file")"
+        echo "" >> "$rc_file"
+        echo "# Added by Claude Code installer" >> "$rc_file"
+        echo "fish_add_path \$HOME/.local/bin" >> "$rc_file"
+    else
+        echo "" >> "$rc_file"
+        echo "# Added by Claude Code installer" >> "$rc_file"
+        echo 'export PATH="$HOME/.local/bin:$PATH"' >> "$rc_file"
+    fi
+
+    echo "Added $INSTALL_DIR to PATH in $rc_file"
+    echo "Run 'source $rc_file' or open a new terminal for PATH changes to take effect."
+}
+
+setup_path
+
+echo ""
+echo "Installation complete! Claude Code is at $INSTALL_DIR/claude"
+echo ""