Windows vfs incorrectly thinks an implicitly hydrated 0 byte file stays dehydrated

[ckamm]

Found while testing #7111

• Create a folder
• Put a 0 byte file into it
• Use "Free up space"
• Double click it to hydrate it without pinning it

Right click the folder and check the availability status in the ownCloud submenu. It'll say the contents are online only.

The problem here is that since no download needs to happen the cfapi "fetch" callback doesn't trigger and the client therefore doesn't realize that the file was hydrated and can't update the database.

[gabi18]

I have done these steps:

• Create a folder
• Put a 0 byte file into it
• Use "Free up space"
• Double click it to hydrate it without pinning it

I'm not sure about this:

Right click the folder and check the availability status in the ownCloud submenu. It'll say the contents are online only.

The availibity status isn't in the ownCloud submenu but in file menu... ?

[gabi18]

Next steps done:

• 'Free up space' on folder
  Result: icon remains spinning

• "Force sync" on client dot menu
  Result: placeholder icon is shown correctly

I haven't found error messages in the logs:
20211208_1228_owncloud.log.2.gz
20211208_1245_owncloud.log.0.gz

[TheOneRing]

Thx for testing