Especially when using an sftp drive (but this problem is also an issue with local drives, although thankfully not as frequent), the folders in the sidebar just keep
Try to Install this package: https://packagecontrol.io/packages/SideBarEnhancements
After you install this plugin, you will see the refresh button in your sidebar option:
This isn't going to be a very useful answer but it documents some early behaviour in Sublime Text that would solve your problem, assuming you need no later features from Sublime Text 2/3 (a big assumption indeed).
Sublime Text 1 had the handy feature in the folder context menu to "Refresh folder". This cause an immediate indexing of only the specified directory (and subdirectories) which was a boon when using networked drives over high-latency connections.
This was deprecated in Sublime Text 2.
Version 1 is available here or by direct download here. It's not clear that these will be available indefinitely though, so this isn't necessarily a long-term solution.
I have added this myself the other day. I constantly work in an environment where files in the project are changing before I can see them.
Goto 'Preferences' menu -> 'Key Bindings' -> 'User' which will open a JSON file, add below code, save and close that file.
{ "keys": ["ctrl+f5"], "command": "refresh_folder_list" }
It will work like charm 100%. Thanks for asking this question.
Add the following (new shortcut object) entry into the array (between the brackets):
{
"keys" : ["f5"],
"command" : "refresh_folder_list"
}
You should be able to refresh the folders with F5.