update img; gitignore

.gitignore

@@ -1,3 +1,4 @@
 prololive.img
+prololive.img.tmp
 *.swp
 *.swo

update_img.sh

@@ -0,0 +1,13 @@
+#! /usr/bin/env sh
+
+img="prololive.img"
+img_tmp="${img}.tmp"
+img_url="http://srv.ordiclic.eu/prololive.img"
+
+wget "${img_url}" -O "${img_tmp}" || {
+  rm "${img_tmp}"
+  echo "Failed to download image" >&2
+  exit 1
+}
+
+mv ${img_tmp} ${img}