install.sh

#!/usr/bin/env bash
# eximagent installer — picks the right binary for your platform.
# Usage:
#   curl -fsSL https://raw.githubusercontent.com/EximAgent/cli/main/install.sh | sh
#   curl -fsSL https://raw.githubusercontent.com/EximAgent/cli/main/install.sh | EXIMAGENT_VERSION=v0.0.36 sh
set -euo pipefail
INSTALL_DIR="${EXIMAGENT_INSTALL_DIR:-${HOME}/.eximagent/bin}"
SYMLINK_DIR="${EXIMAGENT_SYMLINK_DIR:-/usr/local/bin}"
GITHUB_REPO="EximAgent/cli"
os=""
case "$(uname -s)" in
  Darwin) os="darwin" ;;
  Linux) os="linux" ;;
  MINGW*|MSYS*|CYGWIN*)
    echo "[eximagent] Windows detected — bash installer is best-effort; the supported path is:" >&2
    echo "    irm https://install.eximagent.ai/install.ps1 | iex   (PowerShell)" >&2
    os="windows" ;;
  *) echo "[eximagent] unsupported OS: $(uname -s)" >&2; exit 1 ;;
esac
arch=""
case "$(uname -m)" in
  arm64|aarch64) arch="arm64" ;;
  x86_64|amd64) arch="amd64" ;;
  *) echo "[eximagent] unsupported arch: $(uname -m)" >&2; exit 1 ;;
esac
target="${os}-${arch}"
[ "${os}" = "windows" ] && target="${target}.exe"
if [ -z "${EXIMAGENT_VERSION:-}" ]; then
  if command -v curl >/dev/null 2>&1; then
    tag=$(curl -fsSL "https://api.github.com/repos/${GITHUB_REPO}/releases/latest" | sed -n 's/.*"tag_name":[[:space:]]*"\([^"]*\)".*/\1/p' | head -1)
  else
    tag=$(wget -qO- "https://api.github.com/repos/${GITHUB_REPO}/releases/latest" | sed -n 's/.*"tag_name":[[:space:]]*"\([^"]*\)".*/\1/p' | head -1)
  fi
  [ -z "${tag}" ] && { echo "[eximagent] could not resolve latest release tag" >&2; exit 1; }
else
  tag="${EXIMAGENT_VERSION}"
fi
url="https://github.com/${GITHUB_REPO}/releases/download/${tag}/eximagent-${target}"
mkdir -p "${INSTALL_DIR}"
dest="${INSTALL_DIR}/eximagent-${target}"
echo "[eximagent] fetching ${target} from ${tag}..." >&2
if command -v curl >/dev/null 2>&1; then
  curl -fsSL "${url}" -o "${dest}"
elif command -v wget >/dev/null 2>&1; then
  wget -qO "${dest}" "${url}"
else
  echo "[eximagent] need curl or wget" >&2; exit 1
fi
chmod +x "${dest}"
shim="${INSTALL_DIR}/eximagent"
ln -sf "${dest}" "${shim}"
on_path=0
if [ -w "${SYMLINK_DIR}" ]; then
  ln -sf "${shim}" "${SYMLINK_DIR}/eximagent"
  echo "[eximagent] installed → ${SYMLINK_DIR}/eximagent" >&2
  on_path=1
else
  echo "[eximagent] installed → ${shim} (${SYMLINK_DIR} not writable)" >&2
  # Auto-patch shell rc files so new shells find eximagent.
  line="export PATH=\"${INSTALL_DIR}:\$PATH\""
  for rc in "${HOME}/.zshrc" "${HOME}/.bashrc" "${HOME}/.profile" "${HOME}/.config/fish/config.fish"; do
    [ -f "${rc}" ] || continue
    case "${rc}" in
      *config.fish) addition="set -gx PATH ${INSTALL_DIR} \$PATH" ;;
      *) addition="${line}" ;;
    esac
    if ! grep -Fq "${INSTALL_DIR}" "${rc}" 2>/dev/null; then
      printf '\n# added by eximagent installer\n%s\n' "${addition}" >> "${rc}"
      echo "[eximagent] PATH patched in ${rc}" >&2
    fi
  done
  # Try to expose binary to the current piped-sh process AND its parent for chained `&& eximagent login`.
  export PATH="${INSTALL_DIR}:${PATH}"
  echo "[eximagent] for THIS shell, run: export PATH=\"${INSTALL_DIR}:\$PATH\"  (or open a new terminal)" >&2
fi
# Self-check: binary version must match the tag we just resolved.
# Catches "release mirrored to wrong repo" / "stale CDN" / "PAT lost write" silent-stale failures.
installed_version=$("${shim}" --version 2>/dev/null | head -1 | tr -d '\r\n')
case "${installed_version}" in
  *"${tag#v}"*|*"${tag}"*) echo "[eximagent] version OK (${installed_version} matches ${tag})" >&2 ;;
  *)
    echo "[eximagent] !! VERSION MISMATCH: binary reports '${installed_version}', expected '${tag}'." >&2
    echo "[eximagent] !! The release on github.com/${GITHUB_REPO} is out of sync with the source repo." >&2
    echo "[eximagent] !! Report this to the EximAgent team with the line above." >&2 ;;
esac

if [ "${EXIMAGENT_NO_LOGIN:-}" != "1" ]; then
  echo "[eximagent] starting login (opt out with EXIMAGENT_NO_LOGIN=1)..." >&2
  "${shim}" login || echo "[eximagent] login did not complete; run 'eximagent login' from a new shell" >&2
fi

# Drop SKILL.md to host-agent directories (parity with the prior npm postinstall behaviour).
# Skip with EXIMAGENT_NO_SKILL=1; override source with EXIMAGENT_SKILL_URL.
if [ "${EXIMAGENT_NO_SKILL:-}" != "1" ]; then
  skill_url="${EXIMAGENT_SKILL_URL:-https://go-api.eximagent.ai/api/cli/skill}"
  if command -v curl >/dev/null 2>&1; then
    skill_content=$(curl -fsSL "${skill_url}" 2>/dev/null || true)
  else
    skill_content=$(wget -qO- "${skill_url}" 2>/dev/null || true)
  fi
  if [ -n "${skill_content}" ]; then
    drop_skill() {
      mkdir -p "$(dirname "$1")"
      printf "%s" "${skill_content}" > "$1"
      echo "[eximagent] skill -> $2: $1" >&2
    }
    drop_skill "${HOME}/.claude/skills/eximagent/SKILL.md" "Claude Code"
    drop_skill "${HOME}/.codex/skills/eximagent/SKILL.md" "Codex"
    drop_skill "${HOME}/.cursor/rules/eximagent.mdc" "Cursor"
    drop_skill "${HOME}/.agents/skills/eximagent/SKILL.md" "Universal"
  else
    echo "[eximagent] could not fetch skill from ${skill_url} — skip with EXIMAGENT_NO_SKILL=1" >&2
  fi
fi