updater: add image mimetype and say apps will be updated

updater

@@ -145,19 +145,27 @@ IFS="|"
 for i in $updatable
 do
   LIST="${LIST}${DIRECTORY}/update/pi-apps/apps/${i}/icon-24.png
-$i "\("$([ $(cat "${DIRECTORY}/data/update-status/${i}") == 'new' ]&&echo 'new ')app"\)"
+$i "\("$([ $(cat "${DIRECTORY}/data/update-status/${i}") == 'new' ] && echo 'new ')app$([ $(cat "${DIRECTORY}/data/status/${i}") == 'installed' ] && echo ', <b>will be reinstalled</b>')"\)"
 "
 done
 for i in $mainupdate
 do
-  LIST="${LIST}$(if [ "$(file -b --mime-type "${DIRECTORY}/${i}")" == 'text/x-shellscript' ];then
+  #determine mimetype of updatable file to display an informative icon in the list
+  if [ "$(file -b --mime-type "${DIRECTORY}/${i}")" == 'text/x-shellscript' ];then
     #if updatable file in question is a shell script, then display shellscript icon.
-  echo "${DIRECTORY}/icons/shellscript.png"
-else
+    mimeicon="${DIRECTORY}/icons/shellscript.png"
+    mimetype='script'
+  elif [ "$(file -b --mime-type "${DIRECTORY}/${i}")" == 'image/png' ];then
+    mimeicon="${DIRECTORY}/icons/image.png"
+    mimetype='image'
+  else
     #otherwise display txt icon.
-  echo "${DIRECTORY}/icons/txt.png"
-fi)
-$i "\("file"\)"
+    mimeicon="${DIRECTORY}/icons/txt.png"
+    mimetype='file'
+  fi
+  
+  LIST="${LIST}${mimeicon}
+$i "\("$mimetype"\)"
 "
 done
 IFS="$PREIFS"