clawdie-iso/firstboot/shell-system.sh

#!/bin/sh
# Clawdie Shell — System Configuration Module
# Purpose: System-level config (rc.conf, hostname, services, environment)
# Author: Clawdie Project
# POSIX-compliant (no bash-isms)

set -eu
# FreeBSD /bin/sh doesn't support trap ERR

# Configuration (can be overridden for testing)
RC_CONF="${RC_CONF:-/etc/rc.conf}"
HOSTNAME_FILE="${HOSTNAME_FILE:-/etc/hostname}"
PROFILE_DIR="${PROFILE_DIR:-/etc/profile.d}"
LOG_FILE="${LOG_FILE:-/var/log/clawdie-firstboot.log}"
PROGRESS_FILE="${PROGRESS_FILE:-/var/log/clawdie-firstboot.progress}"

# Derived from wizard inputs (caller sets these)
# TZ                - Timezone (e.g., "Europe/Ljubljana")
# AGENT_DOMAIN      - FQDN (e.g., "clawdie.home.arpa" for local, or public domain)
# DETECTED_GPU      - GPU vendor from gpu module (intel, amd, nvidia, vmware, vesa)

# ============================================================================
# MAIN ENTRY POINT
# ============================================================================

clawdie_shell_system_config() {
  # Main orchestrator

  log_msg "[system] Starting system configuration"

  if [ -z "${TZ:-}" ]; then
    log_msg "[system] ERROR: TZ not set"
    return 1
  fi

  if [ -z "${AGENT_DOMAIN:-}" ]; then
    log_msg "[system] ERROR: AGENT_DOMAIN not set"
    return 1
  fi

  # Write rc.conf with timezone and services
  clawdie_shell_system_write_rcconf
  log_msg "[system] Updated rc.conf"

  # Set hostname
  clawdie_shell_system_set_hostname
  log_msg "[system] Set hostname"

  # Setup environment
  clawdie_shell_system_setup_env
  log_msg "[system] Setup environment"

  # Enable services
  clawdie_shell_system_enable_services
  log_msg "[system] Enabled services"

  echo "[SYSTEM] COMPLETE" >> "$PROGRESS_FILE"
  log_msg "[system] System configuration complete"
}

# ============================================================================
# RC.CONF CONFIGURATION
# ============================================================================

clawdie_shell_system_write_rcconf() {
  # Update /etc/rc.conf with:
  # - timezone
  # - service configurations (dbus, hald, seatd, lightdm)
  # - Lumina desktop settings

  if [ ! -f "$RC_CONF" ]; then
    log_msg "[system] Creating $RC_CONF"
    touch "$RC_CONF"
  fi

  # Helper to set or update rc.conf variable
  clawdie_shell_system_sysrc "timezone=$TZ"
  clawdie_shell_system_sysrc "dbus_enable=YES"
  clawdie_shell_system_sysrc "hald_enable=YES"
  clawdie_shell_system_sysrc "seatd_enable=YES"
  clawdie_shell_system_sysrc "display_manager=lightdm"
  clawdie_shell_system_sysrc "lightdm_enable=YES"

  log_msg "[system] Wrote rc.conf configuration"
}

clawdie_shell_system_sysrc() {
  # Add or update a variable in rc.conf
  # Input: VAR=VALUE

  local var_assignment="$1"
  local var_name var_value

  var_name=$(echo "$var_assignment" | cut -d= -f1)
  var_value=$(echo "$var_assignment" | cut -d= -f2-)

  # Check if var already set (idempotence)
  if grep -q "^${var_name}=" "$RC_CONF" 2>/dev/null; then
    # Update existing (use | as delimiter to avoid issues with / in values)
    sed -i '' "s|^${var_name}=.*|${var_assignment}|" "$RC_CONF"
  else
    # Append new
    echo "$var_assignment" >> "$RC_CONF"
  fi
}

# ============================================================================
# HOSTNAME CONFIGURATION
# ============================================================================

clawdie_shell_system_set_hostname() {
  # Set /etc/hostname and apply live

  if [ ! -f "$HOSTNAME_FILE" ]; then
    touch "$HOSTNAME_FILE"
  fi

  # Write to file
  echo "$AGENT_DOMAIN" > "$HOSTNAME_FILE"

  # Apply live (if not in chroot)
  if command -v hostname >/dev/null 2>&1; then
    hostname "$AGENT_DOMAIN" 2>/dev/null || true
  fi

  log_msg "[system] Set hostname to $AGENT_DOMAIN"
}

# ============================================================================
# ENVIRONMENT SETUP
# ============================================================================

clawdie_shell_system_setup_env() {
  # Create /etc/profile.d/clawdie.sh for environment variables
  # Sets up npm global paths and other Clawdie-specific variables

  if [ ! -d "$PROFILE_DIR" ]; then
    mkdir -p "$PROFILE_DIR"
  fi

  local clawdie_profile="$PROFILE_DIR/clawdie.sh"

  cat > "$clawdie_profile" <<'EOF'
# Clawdie-AI environment setup
# Adds npm global bin directory to PATH

export npm_config_prefix="${HOME}/.npm-global"
export PATH="${HOME}/.npm-global/bin:${PATH}"
EOF

  chmod 644 "$clawdie_profile"
  log_msg "[system] Created $clawdie_profile"
}

# ============================================================================
# SERVICE ENABLEMENT
# ============================================================================

clawdie_shell_system_enable_services() {
  # Enable and start required services
  # Safe to fail if running in chroot (first boot)

  local services="dbus hald seatd lightdm"

  for service in $services; do
    if command -v service >/dev/null 2>&1; then
      # Try to start service
      service "$service" onestart 2>/dev/null || {
        log_msg "[system] Could not start $service (expected in chroot)"
      }
    fi
  done

  log_msg "[system] Service enablement complete"
}

# ============================================================================
# VALIDATION
# ============================================================================

clawdie_shell_system_validate() {
  # Verify system configuration completed

  if [ ! -f "$RC_CONF" ]; then
    echo "ERROR: rc.conf not found" >&2
    return 1
  fi

  # Check timezone is set
  if ! grep -q "^timezone=" "$RC_CONF"; then
    echo "ERROR: timezone not set in rc.conf" >&2
    return 1
  fi

  # Check hostname file exists
  if [ ! -f "$HOSTNAME_FILE" ]; then
    echo "ERROR: $HOSTNAME_FILE not created" >&2
    return 1
  fi

  # Check environment profile exists
  if [ ! -f "$PROFILE_DIR/clawdie.sh" ]; then
    echo "ERROR: $PROFILE_DIR/clawdie.sh not created" >&2
    return 1
  fi

  log_msg "[system] Validation passed"
  return 0
}

# ============================================================================
# UTILITY: Logging
# ============================================================================

log_msg() {
  local msg="$1"
  echo "$msg" >> "$LOG_FILE" 2>/dev/null || true
}

# ============================================================================
# Export for use by firstboot.sh
# ============================================================================

case "${0##*/}" in
  clawdie-shell-system.sh)
    # Direct execution (for testing)
    clawdie_shell_system_config
    clawdie_shell_system_validate
    ;;
  *)
    # Sourced from another script — functions available
    ;;
esac