Description of problem:
Originally reported as bug 1335414 comment 5 through 7.
When the system upgrade download is interrupted for any reason (network timeout, network down, system shutdown, etc) and then resumed, the progress bar starts at 0%, even though many packages are already downloaded. The users have no detailed information available, which means they have to assume the whole download operation starts from scratch. That can be very infuriating. It is not true, but that's how it looks like.
When the user resumes system upgrade download, please adjust the progress bar accordingly (so if e.g. 50% of packages are already downloaded and present on disk, start the progress bar at 50%).
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. download some packages during system upgrade (e.g. 30% of them) and then interrupt the download somehow
2. resume the download
3. see the progress bar starting at 0% (well, it's more like 10% because it counts repo initialization for that much)
The progress bar fills up more rapidly after resume (because there's less stuff to download), but that's almost imperceptible on slow links or when you haven't already downloaded a very large percentage of the overall bulk already).
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>the progress bar starts at 0%, even though many packages are already downloaded
We don't get the previous percentage from PackageKit; we only know the percentage from the current transaction unfortunately.