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Description of problem: Every time when I make an mistake when writing command on the command like, it will try to search this "obviously" non-existing command in the repository. It will take several seconds to finish, resulting in unwanted annoying behaviour. How reproducible: just type command which does not exist on your system. Actual results: It will lag for several seconds, trying to find the command in the repository. Expected results: finish immediately with "command not found" error without doing any time consuming operation on background. Additional info: Please, this is highly annoying behaviour. 99.9% of the time I hit this is caused just by misspelling error when typing the command. There is really no need to have something which is in most cases absolutely useless. Thanks.
It's due to command_not_found_handle function. It is distributed in package `PackageKit-command-not-found'.
Well, I still think it is a bug. To be more specific, the fact that this feature is obviously enabled by default is a bug, since it is causing more pain than it is useful. The bug should have been transferred to the PackageKit component, rather than closed.