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Diffstat (limited to 'extra/install-claude.sh')
| -rw-r--r-- | extra/install-claude.sh | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/extra/install-claude.sh b/extra/install-claude.sh new file mode 100644 index 0000000..41313f3 --- /dev/null +++ b/extra/install-claude.sh @@ -0,0 +1,165 @@ +#!/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: $0 [stable|latest|VERSION]" >&2 + exit 1 +fi + +DOWNLOAD_BASE_URL="https://downloads.claude.ai/claude-code-releases" +DOWNLOAD_DIR="$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=$(download_file "$DOWNLOAD_BASE_URL/latest") + +# Reject non-version content (e.g. an HTML error page) before it reaches the manifest URL +if [[ ! "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+ ]]; then + echo "Failed to get a valid version from downloads.claude.ai (got unexpected content)." >&2 + echo "This can happen if the download service is unreachable or not available in your region - see https://www.anthropic.com/supported-countries" >&2 + exit 1 +fi + +# Download manifest and extract checksum +manifest_json=$(download_file "$DOWNLOAD_BASE_URL/$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 "$DOWNLOAD_BASE_URL/$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 "" |