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claw-code/install.sh
2026-04-07 15:52:30 +09:00

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#!/usr/bin/env bash
# Claw Code installer
#
# Detects the host OS, verifies the Rust toolchain (rustc + cargo),
# builds the `claw` binary from the `rust/` workspace, and runs a
# post-install verification step. Supports Linux, macOS, and WSL.
#
# Usage:
# ./install.sh # debug build (fast, default)
# ./install.sh --release # optimized release build
# ./install.sh --no-verify # skip post-install verification
# ./install.sh --help # print usage
#
# Environment overrides:
# CLAW_BUILD_PROFILE=debug|release same as --release toggle
# CLAW_SKIP_VERIFY=1 same as --no-verify
set -euo pipefail
# ---------------------------------------------------------------------------
# Pretty printing
# ---------------------------------------------------------------------------
if [ -t 1 ] && command -v tput >/dev/null 2>&1 && [ "$(tput colors 2>/dev/null || echo 0)" -ge 8 ]; then
COLOR_RESET="$(tput sgr0)"
COLOR_BOLD="$(tput bold)"
COLOR_DIM="$(tput dim)"
COLOR_RED="$(tput setaf 1)"
COLOR_GREEN="$(tput setaf 2)"
COLOR_YELLOW="$(tput setaf 3)"
COLOR_BLUE="$(tput setaf 4)"
COLOR_CYAN="$(tput setaf 6)"
else
COLOR_RESET=""
COLOR_BOLD=""
COLOR_DIM=""
COLOR_RED=""
COLOR_GREEN=""
COLOR_YELLOW=""
COLOR_BLUE=""
COLOR_CYAN=""
fi
CURRENT_STEP=0
TOTAL_STEPS=6
step() {
CURRENT_STEP=$((CURRENT_STEP + 1))
printf '\n%s[%d/%d]%s %s%s%s\n' \
"${COLOR_BLUE}" "${CURRENT_STEP}" "${TOTAL_STEPS}" "${COLOR_RESET}" \
"${COLOR_BOLD}" "$1" "${COLOR_RESET}"
}
info() { printf '%s ->%s %s\n' "${COLOR_CYAN}" "${COLOR_RESET}" "$1"; }
ok() { printf '%s ok%s %s\n' "${COLOR_GREEN}" "${COLOR_RESET}" "$1"; }
warn() { printf '%s warn%s %s\n' "${COLOR_YELLOW}" "${COLOR_RESET}" "$1"; }
error() { printf '%s error%s %s\n' "${COLOR_RED}" "${COLOR_RESET}" "$1" 1>&2; }
print_banner() {
printf '%s' "${COLOR_BOLD}"
cat <<'EOF'
____ _ ____ _
/ ___|| | __ _ __ __ / ___|___ __| | ___
| | | | / _` |\ \ /\ / /| | / _ \ / _` |/ _ \
| |___ | || (_| | \ V V / | |__| (_) | (_| | __/
\____||_| \__,_| \_/\_/ \____\___/ \__,_|\___|
EOF
printf '%s\n' "${COLOR_RESET}"
printf '%sClaw Code installer%s\n' "${COLOR_DIM}" "${COLOR_RESET}"
}
print_usage() {
cat <<'EOF'
Usage: ./install.sh [options]
Options:
--release Build the optimized release profile (slower, smaller binary).
--debug Build the debug profile (default, faster compile).
--no-verify Skip the post-install verification step.
-h, --help Show this help text and exit.
Environment overrides:
CLAW_BUILD_PROFILE debug | release
CLAW_SKIP_VERIFY set to 1 to skip verification
EOF
}
# ---------------------------------------------------------------------------
# Argument parsing
# ---------------------------------------------------------------------------
BUILD_PROFILE="${CLAW_BUILD_PROFILE:-debug}"
SKIP_VERIFY="${CLAW_SKIP_VERIFY:-0}"
while [ "$#" -gt 0 ]; do
case "$1" in
--release)
BUILD_PROFILE="release"
;;
--debug)
BUILD_PROFILE="debug"
;;
--no-verify)
SKIP_VERIFY="1"
;;
-h|--help)
print_usage
exit 0
;;
*)
error "unknown argument: $1"
print_usage
exit 2
;;
esac
shift
done
case "${BUILD_PROFILE}" in
debug|release) ;;
*)
error "invalid build profile: ${BUILD_PROFILE} (expected debug or release)"
exit 2
;;
esac
# ---------------------------------------------------------------------------
# Troubleshooting hints
# ---------------------------------------------------------------------------
print_troubleshooting() {
cat <<EOF
${COLOR_BOLD}Troubleshooting${COLOR_RESET}
${COLOR_DIM}---------------${COLOR_RESET}
${COLOR_BOLD}1. Rust toolchain missing${COLOR_RESET}
Install Rust via rustup:
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
Then reload your shell or run:
source "\$HOME/.cargo/env"
${COLOR_BOLD}2. Linux: missing system packages${COLOR_RESET}
The build needs git, pkg-config, and OpenSSL headers.
Debian/Ubuntu:
sudo apt-get update && sudo apt-get install -y \\
git pkg-config libssl-dev ca-certificates build-essential
Fedora/RHEL:
sudo dnf install -y git pkgconf-pkg-config openssl-devel gcc
Arch:
sudo pacman -S --needed git pkgconf openssl base-devel
${COLOR_BOLD}3. macOS: missing Xcode CLT${COLOR_RESET}
Install the command line tools:
xcode-select --install
${COLOR_BOLD}4. Windows users${COLOR_RESET}
Run this script from inside a WSL distro (Ubuntu/Debian recommended).
Native Windows builds are not supported by this installer.
${COLOR_BOLD}5. Build fails partway through${COLOR_RESET}
Try a clean build:
cd rust && cargo clean && cargo build --workspace
If the failure mentions ring/openssl, double check step 2.
${COLOR_BOLD}6. 'claw' not found after install${COLOR_RESET}
The binary lives at:
rust/target/${BUILD_PROFILE}/claw
Add it to your PATH or invoke it with the full path.
EOF
}
trap 'rc=$?; if [ "$rc" -ne 0 ]; then error "installation failed (exit ${rc})"; print_troubleshooting; fi' EXIT
# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------
require_cmd() {
command -v "$1" >/dev/null 2>&1
}
# ---------------------------------------------------------------------------
# Step 1: detect OS / arch / WSL
# ---------------------------------------------------------------------------
print_banner
step "Detecting host environment"
UNAME_S="$(uname -s 2>/dev/null || echo unknown)"
UNAME_M="$(uname -m 2>/dev/null || echo unknown)"
OS_FAMILY="unknown"
IS_WSL="0"
case "${UNAME_S}" in
Linux*)
OS_FAMILY="linux"
if grep -qiE 'microsoft|wsl' /proc/version 2>/dev/null; then
IS_WSL="1"
fi
;;
Darwin*)
OS_FAMILY="macos"
;;
MINGW*|MSYS*|CYGWIN*)
OS_FAMILY="windows-shell"
;;
esac
info "uname: ${UNAME_S} ${UNAME_M}"
info "os family: ${OS_FAMILY}"
if [ "${IS_WSL}" = "1" ]; then
info "wsl: yes"
fi
case "${OS_FAMILY}" in
linux|macos)
ok "supported platform detected"
;;
windows-shell)
error "Detected a native Windows shell (MSYS/Cygwin/MinGW)."
error "Please re-run this script from inside a WSL distribution."
exit 1
;;
*)
error "Unsupported or unknown OS: ${UNAME_S}"
error "Supported: Linux, macOS, and Windows via WSL."
exit 1
;;
esac
# ---------------------------------------------------------------------------
# Step 2: locate the Rust workspace
# ---------------------------------------------------------------------------
step "Locating the Rust workspace"
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
RUST_DIR="${SCRIPT_DIR}/rust"
if [ ! -d "${RUST_DIR}" ]; then
error "Could not find rust/ workspace next to install.sh"
error "Expected: ${RUST_DIR}"
exit 1
fi
if [ ! -f "${RUST_DIR}/Cargo.toml" ]; then
error "Missing ${RUST_DIR}/Cargo.toml — repository layout looks unexpected."
exit 1
fi
ok "workspace at ${RUST_DIR}"
# ---------------------------------------------------------------------------
# Step 3: prerequisite checks
# ---------------------------------------------------------------------------
step "Checking prerequisites"
MISSING_PREREQS=0
if require_cmd rustc; then
RUSTC_VERSION="$(rustc --version 2>/dev/null || echo 'unknown')"
ok "rustc found: ${RUSTC_VERSION}"
else
error "rustc not found in PATH"
MISSING_PREREQS=1
fi
if require_cmd cargo; then
CARGO_VERSION="$(cargo --version 2>/dev/null || echo 'unknown')"
ok "cargo found: ${CARGO_VERSION}"
else
error "cargo not found in PATH"
MISSING_PREREQS=1
fi
if require_cmd git; then
ok "git found: $(git --version 2>/dev/null || echo 'unknown')"
else
warn "git not found — some workflows (login, session export) may degrade"
fi
if [ "${OS_FAMILY}" = "linux" ]; then
if require_cmd pkg-config; then
ok "pkg-config found"
else
warn "pkg-config not found — may be required for OpenSSL-linked crates"
fi
fi
if [ "${OS_FAMILY}" = "macos" ]; then
if ! require_cmd cc && ! xcode-select -p >/dev/null 2>&1; then
warn "Xcode command line tools not detected — run: xcode-select --install"
fi
fi
if [ "${MISSING_PREREQS}" -ne 0 ]; then
error "Missing required tools. See troubleshooting below."
exit 1
fi
# ---------------------------------------------------------------------------
# Step 4: build the workspace
# ---------------------------------------------------------------------------
step "Building the claw workspace (${BUILD_PROFILE})"
CARGO_FLAGS=("build" "--workspace")
if [ "${BUILD_PROFILE}" = "release" ]; then
CARGO_FLAGS+=("--release")
fi
info "running: cargo ${CARGO_FLAGS[*]}"
info "this may take a few minutes on the first build"
(
cd "${RUST_DIR}"
CARGO_TERM_COLOR="${CARGO_TERM_COLOR:-always}" cargo "${CARGO_FLAGS[@]}"
)
CLAW_BIN="${RUST_DIR}/target/${BUILD_PROFILE}/claw"
if [ ! -x "${CLAW_BIN}" ]; then
error "Expected binary not found at ${CLAW_BIN}"
error "The build reported success but the binary is missing — check cargo output above."
exit 1
fi
ok "built ${CLAW_BIN}"
# ---------------------------------------------------------------------------
# Step 5: post-install verification
# ---------------------------------------------------------------------------
step "Verifying the installed binary"
if [ "${SKIP_VERIFY}" = "1" ]; then
warn "verification skipped (--no-verify or CLAW_SKIP_VERIFY=1)"
else
info "running: claw --version"
if VERSION_OUT="$("${CLAW_BIN}" --version 2>&1)"; then
ok "claw --version -> ${VERSION_OUT}"
else
error "claw --version failed:"
printf '%s\n' "${VERSION_OUT}" 1>&2
exit 1
fi
info "running: claw --help (smoke test)"
if "${CLAW_BIN}" --help >/dev/null 2>&1; then
ok "claw --help responded"
else
error "claw --help failed"
exit 1
fi
fi
# ---------------------------------------------------------------------------
# Step 6: next steps
# ---------------------------------------------------------------------------
step "Next steps"
cat <<EOF
${COLOR_GREEN}Claw Code is built and ready.${COLOR_RESET}
Binary: ${COLOR_BOLD}${CLAW_BIN}${COLOR_RESET}
Profile: ${BUILD_PROFILE}
Try it out:
${COLOR_DIM}# interactive REPL${COLOR_RESET}
${CLAW_BIN}
${COLOR_DIM}# one-shot prompt${COLOR_RESET}
${CLAW_BIN} prompt "summarize this repository"
${COLOR_DIM}# health check (run /doctor inside the REPL)${COLOR_RESET}
${CLAW_BIN}
/doctor
Authentication:
export ANTHROPIC_API_KEY="sk-ant-..."
${COLOR_DIM}# or use OAuth:${COLOR_RESET}
${CLAW_BIN} login
For deeper docs, see USAGE.md and rust/README.md.
EOF
# clear the failure trap on clean exit
trap - EXIT