install.sh

#!/bin/sh
# Canon CLI installer
# Usage: curl -fsSL https://raw.githubusercontent.com/hedgedesk/canon-releases/main/install.sh | sh
set -e

REPO="hedgedesk/canon-releases"

# Detect OS and architecture
OS="$(uname -s | tr '[:upper:]' '[:lower:]')"
ARCH="$(uname -m)"

case "$ARCH" in
  x86_64|amd64) ARCH="amd64" ;;
  arm64|aarch64) ARCH="arm64" ;;
  *) echo "Unsupported architecture: $ARCH" >&2; exit 1 ;;
esac

case "$OS" in
  linux|darwin) ;;
  *) echo "Unsupported OS: $OS" >&2; exit 1 ;;
esac

BINARY="canon-${OS}-${ARCH}"

# Get latest version
VERSION="$(curl -fsSL "https://api.github.com/repos/${REPO}/releases/latest" | grep '"tag_name"' | sed -E 's/.*"([^"]+)".*/\1/')"
if [ -z "$VERSION" ]; then
  echo "Failed to determine latest version" >&2
  exit 1
fi

URL="https://github.com/${REPO}/releases/download/${VERSION}/${BINARY}"
INSTALL_DIR="/usr/local/bin"

echo "Installing canon ${VERSION} (${OS}/${ARCH})..."

TMPFILE="$(mktemp)"
curl -fsSL "$URL" -o "$TMPFILE"
chmod +x "$TMPFILE"

if [ -w "$INSTALL_DIR" ]; then
  mv "$TMPFILE" "${INSTALL_DIR}/canon"
else
  echo "Installing to ${INSTALL_DIR} (requires sudo)..."
  sudo mv "$TMPFILE" "${INSTALL_DIR}/canon"
fi

echo "canon ${VERSION} installed to ${INSTALL_DIR}/canon"
canon version