harmonize with coredesktop

utils.sh

@@ -56,6 +56,29 @@ enable_services() {
   done
 }
 
+# Run each script in migrations/ that hasn't succeeded on this machine yet, in
+# order, and record it once it does. Stops at the first failure so later
+# migrations can rely on earlier ones; it runs again on the next update.
+run_migrations() {
+  local dir="${MINISERVER:-$HOME/.local/share/MiniServer}/migrations"
+  local state="$HOME/.local/state/miniserver/migrations"
+  local file name
+
+  mkdir -p "$state"
+  for file in "$dir"/*.sh; do
+    [ -f "$file" ] || continue
+    name="$(basename "$file")"
+    [ -f "$state/$name" ] && continue
+
+    echo "Running migration $name..."
+    if ! bash "$file"; then
+      echo "Migration $name failed; it will run again on the next update."
+      return 1
+    fi
+    touch "$state/$name"
+  done
+}
+
 # Output of the last update's pacman -Su, written by updates.d/10-pacman.sh
 PACMAN_UPDATE_LOG="$HOME/.local/state/miniserver/pacman-update.log"