install

#!/usr/bin/env bash
set -eo pipefail

PLUGIN_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

case "$(uname -m)" in
  x86_64)  ARCH="amd64" ;;
  aarch64) ARCH="arm64" ;;
  *)
    echo "dokkufile: unsupported architecture $(uname -m)" >&2
    exit 1
    ;;
esac

URL="https://github.com/deanmarano/dokkufile/releases/download/latest/dokkufile-linux-${ARCH}"

TMPFILE=$(mktemp "$PLUGIN_DIR/dokkufile-bin.XXXXXX")
trap "rm -f '$TMPFILE'" EXIT

if [[ -x "$PLUGIN_DIR/dokkufile-bin" ]]; then
  # -z only downloads if remote is newer than local file
  HTTP_CODE=$(curl -fsSL -z "$PLUGIN_DIR/dokkufile-bin" -o "$TMPFILE" -w "%{http_code}" "$URL" 2>/dev/null || echo "000")
  if [[ "$HTTP_CODE" == "304" ]]; then
    :
  elif [[ "$HTTP_CODE" == "200" ]]; then
    mv "$TMPFILE" "$PLUGIN_DIR/dokkufile-bin"
    chmod +x "$PLUGIN_DIR/dokkufile-bin"
    chown dokku:dokku "$PLUGIN_DIR/dokkufile-bin"
    echo "dokkufile: updated successfully"
  else
    echo "dokkufile: update check failed (HTTP ${HTTP_CODE}), keeping existing binary" >&2
  fi
else
  echo "dokkufile: downloading binary for linux/${ARCH}..."
  if curl -fsSL -o "$TMPFILE" "$URL"; then
    mv "$TMPFILE" "$PLUGIN_DIR/dokkufile-bin"
    chmod +x "$PLUGIN_DIR/dokkufile-bin"
    chown dokku:dokku "$PLUGIN_DIR/dokkufile-bin"
    echo "dokkufile: installed successfully"
  else
    echo "dokkufile: download failed, is GitHub reachable?" >&2
    exit 1
  fi
fi