install.sh

#!/bin/bash
set -euo pipefail

# gocode installer — works on macOS and Linux
# Usage: curl -fsSL https://raw.githubusercontent.com/gocode/gocode/main/install.sh | bash

REPO="AlleyBo55/gocode"
BINARY="gocode"
INSTALL_DIR="${INSTALL_DIR:-/usr/local/bin}"

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

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

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

# Get latest release tag
echo "Fetching latest release..."
LATEST=$(curl -fsSL "https://api.github.com/repos/${REPO}/releases/latest" | grep '"tag_name"' | sed -E 's/.*"v?([^"]+)".*/\1/')

if [ -z "$LATEST" ]; then
  echo "Could not determine latest version. Using v0.1.0."
  LATEST="0.1.0"
fi

FILENAME="${BINARY}_${LATEST}_${OS}_${ARCH}.tar.gz"
URL="https://github.com/${REPO}/releases/download/v${LATEST}/${FILENAME}"

# Download and install
TMPDIR=$(mktemp -d)
trap 'rm -rf "$TMPDIR"' EXIT

echo "Downloading gocode v${LATEST} for ${OS}/${ARCH}..."
curl -fsSL "$URL" -o "${TMPDIR}/${FILENAME}"

echo "Extracting..."
tar -xzf "${TMPDIR}/${FILENAME}" -C "$TMPDIR"

echo "Installing to ${INSTALL_DIR}..."
if [ -w "$INSTALL_DIR" ]; then
  mv "${TMPDIR}/${BINARY}" "${INSTALL_DIR}/${BINARY}"
else
  echo "Need sudo to install to ${INSTALL_DIR}"
  sudo mv "${TMPDIR}/${BINARY}" "${INSTALL_DIR}/${BINARY}"
fi

chmod +x "${INSTALL_DIR}/${BINARY}"

echo ""
echo "✓ gocode v${LATEST} installed to ${INSTALL_DIR}/${BINARY}"
echo ""
echo "Run 'gocode --help' to get started."