install: add split system and user targets

system-finalize.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+#
+# System-level Omarchy install work. This intentionally runs as root inside
+# the target system. User-home setup stays in finalize.sh.
+
+export OMARCHY_INSTALL_LOG_FILE="${OMARCHY_INSTALL_LOG_FILE:-/var/log/omarchy-install.log}"
+
+set -eEo pipefail
+
+_OMARCHY_INSTALLER_DIR=$(dirname "$(realpath "${BASH_SOURCE[0]}")")
+export OMARCHY_PATH="${OMARCHY_PATH:-$_OMARCHY_INSTALLER_DIR}"
+export OMARCHY_INSTALL="${OMARCHY_INSTALL:-$_OMARCHY_INSTALLER_DIR/install}"
+export PATH="${OMARCHY_PATH}/bin:$_OMARCHY_INSTALLER_DIR/bin:$PATH"
+
+source "$OMARCHY_INSTALL/helpers/mode.sh"
+detect_install_mode
+export_legacy_mode_flags
+source "$OMARCHY_INSTALL/helpers/chroot.sh"
+source "$OMARCHY_INSTALL/helpers/logging.sh"
+
+if (( EUID != 0 )); then
+  echo "Error: system-finalize.sh must run as root" >&2
+  exit 1
+fi
+
+source "$OMARCHY_INSTALL/system/all.sh"