114 lines
3.0 KiB
Bash
Executable File
114 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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set -e
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REPO="karol-broda/snitch"
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BINARY_NAME="snitch"
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# allow override via environment
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INSTALL_DIR="${INSTALL_DIR:-}"
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KEEP_QUARANTINE="${KEEP_QUARANTINE:-}"
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detect_install_dir() {
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if [ -n "$INSTALL_DIR" ]; then
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echo "$INSTALL_DIR"
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return
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fi
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# prefer user-local directory if it exists and is in PATH
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if [ -d "$HOME/.local/bin" ] && echo "$PATH" | grep -q "$HOME/.local/bin"; then
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echo "$HOME/.local/bin"
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return
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fi
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# fallback to /usr/local/bin
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echo "/usr/local/bin"
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}
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detect_os() {
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os=$(uname -s | tr '[:upper:]' '[:lower:]')
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case "$os" in
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darwin) echo "darwin" ;;
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linux) echo "linux" ;;
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*)
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echo "error: unsupported operating system: $os" >&2
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exit 1
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;;
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esac
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}
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detect_arch() {
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arch=$(uname -m)
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case "$arch" in
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x86_64|amd64) echo "amd64" ;;
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aarch64|arm64) echo "arm64" ;;
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armv7l) echo "armv7" ;;
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*)
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echo "error: unsupported architecture: $arch" >&2
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exit 1
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;;
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esac
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}
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fetch_latest_version() {
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version=$(curl -sL "https://api.github.com/repos/${REPO}/releases/latest" | grep '"tag_name"' | head -1 | cut -d'"' -f4)
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if [ -z "$version" ]; then
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echo "error: failed to fetch latest version" >&2
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exit 1
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fi
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echo "$version"
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}
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main() {
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os=$(detect_os)
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arch=$(detect_arch)
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install_dir=$(detect_install_dir)
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version=$(fetch_latest_version)
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version_no_v="${version#v}"
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archive_name="${BINARY_NAME}_${version_no_v}_${os}_${arch}.tar.gz"
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download_url="https://github.com/${REPO}/releases/download/${version}/${archive_name}"
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echo "installing ${BINARY_NAME} ${version} for ${os}/${arch}..."
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tmp_dir=$(mktemp -d)
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trap 'rm -rf "$tmp_dir"' EXIT
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echo "downloading ${download_url}..."
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if ! curl -sL --fail "$download_url" -o "${tmp_dir}/${archive_name}"; then
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echo "error: failed to download ${download_url}" >&2
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exit 1
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fi
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echo "extracting..."
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tar -xzf "${tmp_dir}/${archive_name}" -C "$tmp_dir"
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if [ ! -f "${tmp_dir}/${BINARY_NAME}" ]; then
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echo "error: binary not found in archive" >&2
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exit 1
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fi
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# remove macos quarantine attribute unless disabled
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if [ "$os" = "darwin" ] && [ -z "$KEEP_QUARANTINE" ]; then
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if xattr -d com.apple.quarantine "${tmp_dir}/${BINARY_NAME}" 2>/dev/null; then
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echo "warning: removed macOS quarantine attribute from binary"
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fi
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fi
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# install binary
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if [ -w "$install_dir" ]; then
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mv "${tmp_dir}/${BINARY_NAME}" "${install_dir}/${BINARY_NAME}"
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else
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echo "elevated permissions required to install to ${install_dir}"
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sudo mv "${tmp_dir}/${BINARY_NAME}" "${install_dir}/${BINARY_NAME}"
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fi
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chmod +x "${install_dir}/${BINARY_NAME}"
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echo "installed ${BINARY_NAME} to ${install_dir}/${BINARY_NAME}"
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echo ""
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echo "run '${BINARY_NAME} --help' to get started"
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}
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main
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