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Test if backend supports DependsOn before trying to calculate download size #861

decathorpe opened this Issue Oct 16, 2018 · 1 comment


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decathorpe commented Oct 16, 2018

When opening the details page of an application in fedora, I get this warning message in the logs:

Client.vala:719: Error fetching dependencies for notejot;1.4.5-1.fc29;x86_64;updates-testing: DependsOn not supported by backend

What is this query supposed to achieve? Is the result used for anything? Is it important, or can the failure be ignored? It doesn't break installing the package.

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davidmhewitt commented Nov 20, 2018

This is used to calculate the total download size of a package (including not installed dependencies), so can safely be ignored.

However, I guess it would make sense to do some feature testing to see if that feature was available on the backend before trying to do it. I'll amend the issue title accordingly

@davidmhewitt davidmhewitt changed the title DependsOn not supported by all PackageKit backends Test if backend supports DependsOn before trying to calculate download size Nov 20, 2018

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