install.sh

#!/usr/bin/env bash
#
# install.sh - installs the `ipdata` CLI (ipdata-bash)
#
# Usage:
#   curl -fsSL https://raw.githubusercontent.com/IPDataInfo/ipdata-bash/main/install.sh | sh
#   PREFIX=$HOME/.local curl -fsSL .../install.sh | sh
#   ./install.sh --prefix /usr/local
set -euo pipefail

REPO="IPDataInfo/ipdata-bash"
RAW_URL="https://raw.githubusercontent.com/${REPO}/main/ipdata"
PREFIX="${PREFIX:-/usr/local}"

usage() {
  cat <<'EOF'
install.sh - install the ipdata CLI

USAGE:
  ./install.sh [--prefix DIR]

ENVIRONMENT:
  PREFIX   install prefix (default: /usr/local), binary goes to $PREFIX/bin
EOF
}

while [[ "$#" -gt 0 ]]; do
  case "$1" in
    --prefix)
      [[ "$#" -ge 2 ]] || { echo "install.sh: --prefix requires a value" >&2; exit 1; }
      PREFIX="$2"
      shift 2
      ;;
    --prefix=*)
      PREFIX="${1#--prefix=}"
      shift
      ;;
    -h|--help)
      usage
      exit 0
      ;;
    *)
      echo "install.sh: unknown argument: $1" >&2
      usage
      exit 1
      ;;
  esac
done

BIN_DIR="${PREFIX}/bin"
DEST="${BIN_DIR}/ipdata"

command -v curl >/dev/null 2>&1 || { echo "install.sh: curl is required" >&2; exit 1; }

mkdir -p "$BIN_DIR"

# If running from a local checkout (this script sits next to `ipdata`), copy
# the local file instead of re-downloading it.
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]:-$0}")" >/dev/null 2>&1 && pwd)"
if [[ -f "${SCRIPT_DIR}/ipdata" ]]; then
  cp "${SCRIPT_DIR}/ipdata" "$DEST"
else
  curl -fsSL "$RAW_URL" -o "$DEST"
fi

chmod +x "$DEST"

echo "ipdata installed to ${DEST}"

case ":$PATH:" in
  *":${BIN_DIR}:"*) ;;
  *)
    echo "warning: ${BIN_DIR} is not on your PATH. Add this to your shell profile:"
    echo "  export PATH=\"${BIN_DIR}:\$PATH\""
    ;;
esac

echo "Run 'ipdata help' to get started, or 'ipdata lookup' to look up your own IP."