it boots

scripts/prepare-svardos.sh

@@ -0,0 +1,79 @@
+#!/bin/bash
+set -euo pipefail
+
+SVARDOS_BASE_DIR="/opt/svardos/base"
+SVARDOS_CACHE="/opt/svardos/cache"
+SVARDOS_IMG="${SVARDOS_CACHE}/svardos.img"
+DEFAULT_REL="download/20250427/svardos-20250427-floppy-1.44M.zip"
+DEFAULT_BASE="http://svardos.org"
+
+if [ -z "${SVARDOS_IMG_URL:-}" ]; then
+  homepage="$(
+    curl -fsSL "${DEFAULT_BASE}/" 2>/dev/null || true
+  )"
+  discovered_rel=""
+  if [ -n "$homepage" ]; then
+    for pattern in 'download/[0-9]+/svardos-[0-9]+-floppy-1\.44M\.zip' 'download/[0-9]+/svardos-[0-9]+-usb\.zip'; do
+      candidate="$(printf '%s' "$homepage" | grep -Eo "$pattern" | head -n1)"
+      if [ -n "$candidate" ]; then
+        discovered_rel="$candidate"
+        break
+      fi
+    done
+  fi
+  if [ -n "$discovered_rel" ]; then
+    SVARDOS_IMG_URL="${DEFAULT_BASE}/${discovered_rel}"
+  else
+    SVARDOS_IMG_URL="${DEFAULT_BASE}/${DEFAULT_REL}"
+  fi
+fi
+
+if [ -e "${SVARDOS_BASE_DIR}/COMMAND.COM" ] || [ -e "${SVARDOS_BASE_DIR}/command.com" ]; then
+  exit 0
+fi
+
+mkdir -p "${SVARDOS_BASE_DIR}" "${SVARDOS_CACHE}"
+
+tmp_archive="${SVARDOS_CACHE}/svardos_download"
+rm -f "${tmp_archive}" "${SVARDOS_IMG}"
+
+echo "Fetching SvarDOS base from ${SVARDOS_IMG_URL}"
+curl -fsSL "${SVARDOS_IMG_URL}" -o "${tmp_archive}"
+
+mime_type="$(file -b --mime-type "${tmp_archive}")"
+case "${mime_type}" in
+  application/zip)
+    unzip -o "${tmp_archive}" -d "${SVARDOS_CACHE}" >/dev/null
+    ;;
+  application/x-bzip2|application/x-gzip|application/x-xz)
+    tar -xf "${tmp_archive}" -C "${SVARDOS_CACHE}"
+    ;;
+  application/octet-stream)
+    # assume this is already a raw image
+    cp "${tmp_archive}" "${SVARDOS_IMG}"
+    ;;
+  *)
+    echo "Unsupported SvarDOS payload type: ${mime_type}" >&2
+    exit 1
+    ;;
+esac
+
+if [ ! -f "${SVARDOS_IMG}" ]; then
+  # try to locate the image file
+  candidate="$(find "${SVARDOS_CACHE}" -maxdepth 1 -type f \( -iname '*svardos*.img' -o -iname '*.ima' -o -iname '*.img' \) | head -n1)"
+  if [ -z "${candidate}" ]; then
+    echo "Could not locate a SvarDOS disk image after extraction." >&2
+    exit 1
+  fi
+  mv "${candidate}" "${SVARDOS_IMG}"
+fi
+
+rm -rf "${SVARDOS_BASE_DIR}"/*
+mkdir -p "${SVARDOS_BASE_DIR}"
+
+# Copy contents of FAT image into the base directory
+mcopy -s -i "${SVARDOS_IMG}" ::* "${SVARDOS_BASE_DIR}/"
+
+rm -f "${SVARDOS_IMG}" "${tmp_archive}"
+rm -rf "${SVARDOS_CACHE}"
+echo "SvarDOS base copied to ${SVARDOS_BASE_DIR}"