#!/usr/bin/env bash # OpusGate - Claude Code auto-setup for macOS / Linux # Usage: # curl -fsSL https://opusgate.dev/install.sh | bash # curl -fsSL https://opusgate.dev/install.sh | OPUSGATE_KEY="sk-og-..." bash set -euo pipefail write_fresh_settings() { cat > "$1" <> "$RC" echo "Added ~/.local/bin to PATH in $RC (open a new terminal to pick it up)." fi export PATH="$HOME/.local/bin:$PATH" ;; esac } main() { echo "" echo "OpusGate - Claude Code setup" echo "" if [ "$(id -u)" = "0" ]; then echo "Note: running as root - Claude Code and the config go to root's home." fi # --- 1. API key ------------------------------------------------------- KEY="${OPUSGATE_KEY:-}" if [ -z "$KEY" ]; then PROMPT="Paste your OpusGate API key (sk-og-..., from https://opusgate.dev/keys): " if [ -t 0 ]; then read -r -p "$PROMPT" KEY elif (exec /dev/null; then read -r -p "$PROMPT" KEY &2 echo ' curl -fsSL https://opusgate.dev/install.sh | OPUSGATE_KEY="sk-og-..." bash' >&2 exit 1 fi fi KEY="$(printf '%s' "$KEY" | tr -d '[:space:]')" case "$KEY" in sk-og-*) ;; *) echo "That doesn't look like an OpusGate key (expected sk-og-...). Aborting." >&2; exit 1 ;; esac # --- 2. Claude Code --------------------------------------------------- if command -v claude >/dev/null 2>&1; then echo "Claude Code already installed - skipping install." elif [ -x "$HOME/.local/bin/claude" ]; then # Installed but not on PATH yet (e.g. terminal not reopened after install). echo "Claude Code found at ~/.local/bin/claude - skipping download, fixing PATH." ensure_local_bin_on_path else # Primary path: download the official binary straight from Anthropic's # distribution bucket. Same binary the claude.ai installer fetches, but the # bucket is reachable in regions where claude.ai itself is geo-blocked. BUCKET="https://storage.googleapis.com/claude-code-dist-86c565f3-f756-42ad-8dfa-d59b1c096819/claude-code-releases" OS="$(uname -s)"; ARCH="$(uname -m)" PLATFORM="" case "$OS" in Darwin) PLATFORM="darwin" ;; Linux) PLATFORM="linux" ;; esac case "$ARCH" in arm64|aarch64) PLATFORM="$PLATFORM-arm64" ;; x86_64|amd64) PLATFORM="$PLATFORM-x64" ;; *) PLATFORM="" ;; esac if [ "$OS" = "Linux" ] && [ -n "$PLATFORM" ] && ldd --version 2>&1 | grep -qi musl; then PLATFORM="$PLATFORM-musl" fi INSTALLED=0 if [ -n "$PLATFORM" ]; then VERSION="$(curl -fsSL --max-time 30 "$BUCKET/stable" | tr -d '[:space:]')" || VERSION="" if [ -n "$VERSION" ]; then mkdir -p "$HOME/.local/bin" echo "Downloading Claude Code $VERSION ($PLATFORM, ~220 MB)..." if curl -fL --progress-bar -o "$HOME/.local/bin/claude" "$BUCKET/$VERSION/$PLATFORM/claude"; then # Verify checksum against the manifest when a sha256 tool is available. SUM="" if command -v sha256sum >/dev/null 2>&1; then SUM="$(sha256sum "$HOME/.local/bin/claude" | cut -d' ' -f1)" elif command -v shasum >/dev/null 2>&1; then SUM="$(shasum -a 256 "$HOME/.local/bin/claude" | cut -d' ' -f1)" fi EXPECTED="$(curl -fsSL --max-time 30 "$BUCKET/$VERSION/manifest.json" | grep -A3 "\"$PLATFORM\"" | grep '"checksum"' | head -1 | cut -d'"' -f4)" || EXPECTED="" if [ -n "$SUM" ] && [ -n "$EXPECTED" ] && [ "$SUM" != "$EXPECTED" ]; then rm -f "$HOME/.local/bin/claude" echo "Checksum mismatch - corrupted download." >&2 else chmod +x "$HOME/.local/bin/claude" INSTALLED=1 echo "Claude Code $VERSION installed to ~/.local/bin/claude" fi fi fi fi if [ "$INSTALLED" -ne 1 ]; then echo "Direct download failed - trying the official installer (unavailable in some regions)..." if curl -fsSL https://claude.ai/install.sh | bash; then INSTALLED=1; fi fi if [ "$INSTALLED" -ne 1 ]; then echo "Could not install Claude Code automatically." >&2 echo "If you have Node.js, run: npm install -g @anthropic-ai/claude-code - then re-run this script." >&2 exit 1 fi ensure_local_bin_on_path fi # --- 3. settings.json: merge into existing, or write fresh ------------- SETTINGS="$HOME/.claude/settings.json" mkdir -p "$HOME/.claude" if [ -f "$SETTINGS" ]; then cp "$SETTINGS" "$SETTINGS.bak" echo "Existing settings.json backed up to settings.json.bak" MERGED=0 if command -v python3 >/dev/null 2>&1; then python3 - "$SETTINGS" "$KEY" <<'PYEOF' && MERGED=1 || true import json, sys path, key = sys.argv[1], sys.argv[2] with open(path) as f: data = json.load(f) if not isinstance(data, dict): raise SystemExit(1) env = data.get("env") if not isinstance(env, dict): env = {} data["env"] = env env.update({ "ANTHROPIC_BASE_URL": "https://api.opusgate.dev", "ANTHROPIC_AUTH_TOKEN": key, "ANTHROPIC_DEFAULT_OPUS_MODEL": "claude-opus-4.8", "ANTHROPIC_DEFAULT_SONNET_MODEL": "claude-sonnet-4.6", "ANTHROPIC_DEFAULT_HAIKU_MODEL": "claude-haiku-4.5", "DISABLE_TELEMETRY": "1", "DISABLE_ERROR_REPORTING": "1", }) with open(path, "w") as f: json.dump(data, f, indent=2) f.write("\n") PYEOF elif command -v node >/dev/null 2>&1; then OG_SETTINGS="$SETTINGS" OG_KEY="$KEY" node -e 'const fs=require("fs");const p=process.env.OG_SETTINGS;const d=JSON.parse(fs.readFileSync(p,"utf8"));if(typeof d!=="object"||d===null||Array.isArray(d))process.exit(1);if(typeof d.env!=="object"||d.env===null||Array.isArray(d.env))d.env={};Object.assign(d.env,{ANTHROPIC_BASE_URL:"https://api.opusgate.dev",ANTHROPIC_AUTH_TOKEN:process.env.OG_KEY,ANTHROPIC_DEFAULT_OPUS_MODEL:"claude-opus-4.8",ANTHROPIC_DEFAULT_SONNET_MODEL:"claude-sonnet-4.6",ANTHROPIC_DEFAULT_HAIKU_MODEL:"claude-haiku-4.5",DISABLE_TELEMETRY:"1",DISABLE_ERROR_REPORTING:"1"});fs.writeFileSync(p,JSON.stringify(d,null,2)+"\n");' && MERGED=1 || true fi if [ "$MERGED" -eq 1 ]; then echo "Merged OpusGate settings into your existing settings.json (other settings preserved)." else echo "Could not merge (no python3/node, or the file isn't valid JSON) - writing a fresh settings.json (old file kept as .bak)." write_fresh_settings "$SETTINGS" fi else write_fresh_settings "$SETTINGS" fi echo "" echo "Done. Run: claude" echo "Previously logged in with an Anthropic account? Run /logout inside claude once." echo "Models: /model inside Claude Code. Balance: https://opusgate.dev/dashboard" } main "$@"