Red Hat Bugzilla – Bug 506970
workaround "helpful" yum revert behaviour
Last modified: 2010-12-05 01:50:07 EST
Description of problem:
Yum will helpfully revert to the previous cached repodata, if a repodata download fails. This is useful when you are moving updates to a slightly newer F10 version, not so much when moving fedora from F10 to F11.
The way I experienced this was:
1. Have machine almost at 100% disk space used.
2. Try a netinstall.
3. Be confused when it acts weird, and then boggle when you see it's trying to get F10 comps. repodata.
...the simple fix is to do a yb.cleanMetadata() as soon as you've setup the repos. (but before you've got any data from them). This will protect from the above, and from weird download errors etc.
Might also be nice to do an early check in anaconda to say "Danger Will Robinson you have less than 100MB free in /var/cache/yum ... you probably want to fix that".
We probably don't want to do this across all repos, right? What about the preupgrade case where it's got all the metadata predownloaded? If we call yb.cleanMetadata(), aren't we going to nuke that as well?
Yeh, that's true ... and there's no good API to use to cleanup just some of the repos. metadata. I guess do the disk check warning for now and maybe do the cleanup metadata bit if you know preupgrade isn't there (hopefully if preupgrade is there all the repos. should be upto date).
This bug appears to have been reported against 'rawhide' during the Fedora 12 development cycle.
Changing version to '12'.
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