File size: 4,002 Bytes
90b4c5e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | #!/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" ;;
*) 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: $(uname -m)" >&2; exit 1 ;;
esac
# Check for musl on Linux and adjust platform accordingly
if [ "$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 ""
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