#!/bin/sh # RunWisp installer — https://get.runwisp.com # # Downloads the latest RunWisp release tarball from GitHub, verifies its # SHA-256 checksum, and installs the binary into a directory on your PATH. # # Usage: # curl -fsSL https://get.runwisp.com | sh # # Environment variables: # RUNWISP_VERSION Tag to install (e.g. v0.1.2). Default: latest # RUNWISP_INSTALL_DIR Target directory for the binary. # Default: /usr/local/bin when writable, else ~/.local/bin set -eu REPO="runwisp/runwisp" VERSION="${RUNWISP_VERSION:-latest}" INSTALL_DIR="${RUNWISP_INSTALL_DIR:-}" if [ -t 1 ] && [ -z "${NO_COLOR:-}" ]; then BOLD=$(printf '\033[1m') DIM=$(printf '\033[2m') RED=$(printf '\033[31m') GREEN=$(printf '\033[32m') YELLOW=$(printf '\033[33m') RESET=$(printf '\033[0m') else BOLD="" DIM="" RED="" GREEN="" YELLOW="" RESET="" fi err() { printf '%serror:%s %s\n' "$RED" "$RESET" "$*" >&2 exit 1 } info() { printf '%s==>%s %s\n' "$GREEN" "$RESET" "$*" } warn() { printf '%swarning:%s %s\n' "$YELLOW" "$RESET" "$*" >&2 } require() { command -v "$1" >/dev/null 2>&1 || err "$1 is required but not installed" } detect_target() { os=$(uname -s) arch=$(uname -m) case "$os" in Linux) os="linux" ;; Darwin) os="darwin" ;; *) err "unsupported OS: $os (RunWisp supports Linux, macOS, and WSL)" ;; esac case "$arch" in x86_64|amd64) arch="x64" ;; aarch64|arm64) arch="arm64" ;; *) err "unsupported architecture: $arch" ;; esac printf '%s-%s' "$os" "$arch" } choose_install_dir() { if [ -n "$INSTALL_DIR" ]; then printf '%s' "$INSTALL_DIR" return fi if [ -w /usr/local/bin ] 2>/dev/null; then printf '/usr/local/bin' elif [ "$(id -u)" -eq 0 ]; then printf '/usr/local/bin' else printf '%s/.local/bin' "$HOME" fi } sha256() { if command -v sha256sum >/dev/null 2>&1; then sha256sum "$1" | awk '{print $1}' elif command -v shasum >/dev/null 2>&1; then shasum -a 256 "$1" | awk '{print $1}' else err "neither sha256sum nor shasum is installed; cannot verify download" fi } # Pick a downloader once. Prefer curl; fall back to wget (BusyBox wget on # Alpine works for both HTTPS and redirects when ca-certificates is present). DOWNLOADER="" select_downloader() { if command -v curl >/dev/null 2>&1; then DOWNLOADER="curl" elif command -v wget >/dev/null 2>&1; then DOWNLOADER="wget" else err "curl or wget is required but neither is installed" fi } # Download URL to a file. With "progress" as the third arg, show a progress # bar; otherwise stay silent. download_to() { url=$1 out=$2 mode=${3:-} case "$DOWNLOADER" in curl) if [ "$mode" = "progress" ]; then curl -fL --progress-bar -o "$out" "$url" else curl -fsSL -o "$out" "$url" fi ;; wget) if [ "$mode" = "progress" ]; then wget -O "$out" "$url" else wget -q -O "$out" "$url" fi ;; esac } # Fetch URL to stdout silently. download_stdout() { case "$DOWNLOADER" in curl) curl -fsSL "$1" ;; wget) wget -q -O - "$1" ;; esac } # Resolve the most recent release tag, including prereleases. # GitHub's /releases/latest redirect excludes prereleases, so query the API # listing endpoint instead. resolve_latest_version() { download_stdout "https://api.github.com/repos/${REPO}/releases?per_page=1" 2>/dev/null \ | grep -m1 '"tag_name"' \ | sed -E 's/.*"tag_name"[[:space:]]*:[[:space:]]*"([^"]+)".*/\1/' } main() { select_downloader require tar require uname target=$(detect_target) archive="runwisp-${target}.tar.gz" if [ "$VERSION" = "latest" ]; then VERSION=$(resolve_latest_version) [ -n "$VERSION" ] || err "failed to resolve latest release tag from GitHub API" fi case "$VERSION" in v*) ;; *) VERSION="v${VERSION}" ;; esac base="https://github.com/${REPO}/releases/download/${VERSION}" version_label="$VERSION" info "Installing RunWisp ${BOLD}${version_label}${RESET} for ${BOLD}${target}${RESET}" tmpdir=$(mktemp -d 2>/dev/null || mktemp -d -t runwisp) trap 'rm -rf "$tmpdir"' EXIT INT TERM HUP info "Downloading ${archive}" if ! download_to "${base}/${archive}" "${tmpdir}/${archive}" progress; then err "failed to download ${base}/${archive}" fi info "Verifying checksum" if ! download_to "${base}/checksums-sha256.txt" "${tmpdir}/checksums.txt"; then err "failed to download checksum file" fi expected=$(grep " ${archive}\$" "${tmpdir}/checksums.txt" | awk '{print $1}') if [ -z "$expected" ]; then err "no checksum entry found for ${archive}" fi actual=$(sha256 "${tmpdir}/${archive}") if [ "$expected" != "$actual" ]; then err "checksum mismatch for ${archive} (expected ${expected}, got ${actual})" fi info "Extracting" if ! tar -xzf "${tmpdir}/${archive}" -C "$tmpdir" runwisp; then err "failed to extract archive" fi install_dir=$(choose_install_dir) if ! mkdir -p "$install_dir" 2>/dev/null; then err "failed to create ${install_dir}" fi target_path="${install_dir}/runwisp" if [ ! -w "$install_dir" ]; then if command -v sudo >/dev/null 2>&1; then warn "${install_dir} is not writable; re-running install step with sudo" sudo install -m 0755 "${tmpdir}/runwisp" "$target_path" \ || err "failed to install runwisp to ${target_path}" else err "${install_dir} is not writable and sudo is not available" fi else install -m 0755 "${tmpdir}/runwisp" "$target_path" \ || err "failed to install runwisp to ${target_path}" fi printf '\n%sRunWisp installed to %s%s%s\n' \ "$GREEN" "$BOLD" "$target_path" "$RESET" case ":$PATH:" in *":${install_dir}:"*) ;; *) printf '\n%s%s is not in your PATH.%s\n' "$YELLOW" "$install_dir" "$RESET" printf 'Add this line to your shell profile (e.g. ~/.bashrc, ~/.zshrc):\n\n' printf ' %sexport PATH="%s:$PATH"%s\n' "$BOLD" "$install_dir" "$RESET" ;; esac printf '\nNext steps:\n' printf ' %s1.%s Create a %srunwisp.toml%s — see https://github.com/%s/blob/main/apps/runwisp/runwisp.example.toml\n' \ "$DIM" "$RESET" "$BOLD" "$RESET" "$REPO" printf ' %s2.%s Run %srunwisp%s and open http://localhost:8080\n\n' \ "$DIM" "$RESET" "$BOLD" "$RESET" } main "$@"