This bug i reported years back: Installation of snap with content snap as dependency, still exists in the latest upgraded snapd on Ubuntu 20.04.2LTS
snap 2.51 snapd 2.51 series 16 ubuntu 20.04 kernel 5.8.0-55-generic
I will try to outline the issues once again clearly, with tests.
This issue is related to the behavior of snapd when it installs any snap that require to download a content snap (which most of time contains runtime libraries).
The behavior -
when snapd is asked to download a snap that also contain a content snap in its snapcraft yaml with snap install command.
snapd first downloads the main snap,
installs it, makes it available to system( adds desktop launcher entry, makes all commands available from the snap available to system), check the screenshot
while still downloading the content snaps in the background with the following cryptic message that is hard to understand by general audience:
Steps to reproduce-
For this we will take one of the famous snap as example Whatsie which requires content snap called qt513 that contains Qt runtime libraries.
To test this make sure you purge both of these snaps, i.e, remove them from snapd download cache so that we can emulate the real download situation. In terminal
snap install whatsie
- As sson as snapd complete downloading whatsie snap package that is ~14Mb in size, Notice that the application is available to end user from desktop menus, command prompts while the content snap that is important part of the main snap is still being downloaded or is due for install.
I don’t know what is the intention of snappy developer have with this behavior of installing snaps that require content snaps. This issue being misguiding people since years, users ends up writing bad reviews about the app in store that the app is not starting(those who expect the app to get launched when they click the desktop launcher icon of app), some report that the app is reporting missing libraries thing when they run it from terminal.
I hope snappy developers will prioritize this and fix this soon.
Sorry for my bad English, am not a native English speaker