[Ubuntu] 設定 scratch2 檔案關聯

資料來源：https://scratch.mit.edu/discuss/topic/187916/


1. define .sb2 file's type

sudo vi /usr/share/mime/package/***.xml

*** is new file's name. Set is as you like. ex)scratch2

write text below in the file

<?xml version=“1.0” encoding=“UTF-8”?>

<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info“>

<mime-type type=”application/x-scratch2“>

<comment></comment>

<glob pattern=”*.sb2“/>

</mime-type>

</mime-info>

2. associate .sb2 file with scratch 2 application

Find ”edu.media.mit.scratch2editor.desktop" file under directory of /usr/share/applications/ ,

and add only one line in the last line of that desktop file.

MimeType=application/x-scratch2

3. update

sudo update-desktop-databese
sudo update-mime-database

4. change sb2 file's icon

sudo cp /opt/Scratch\ 2/share/icons/ProjectIcon48.png /usr/share/icons/gnome/scalable/mimetypes/application-x-scratch2.png

（參考：http://wiki.ubuntu.com.cn/UbuntuHelp:AddingMimeTypes）

5. 更新圖示cache

sudo gtk-update-icon-cache  /usr/share/icons/gnome/ -f

4. reboot PC