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authorDavid Kalnischkies <david@kalnischkies.de>2015-09-10 19:00:51 +0200
committerDavid Kalnischkies <david@kalnischkies.de>2015-09-14 15:22:18 +0200
commit95278287f4e1eeaf5d96749d6fc9bfc53fb400d0 (patch)
tree90cc504d25c680b2fc3fe77994573e517263275f /doc
parent7f58427b9584686f80cd5eccfdd02c1ace75518a (diff)
avoid using global PendingError to avoid failing too often too soon
Our error reporting is historically grown into some kind of mess. A while ago I implemented stacking for the global error which is used in this commit now to wrap calls to functions which do not report (all) errors via return, so that only failures in those calls cause a failure to propergate down the chain rather than failing if anything (potentially totally unrelated) has failed at some point in the past. This way we can avoid stopping the entire acquire process just because a single source produced an error for example. It also means that after the acquire process the cache is generated – even if the acquire process had failures – as we still have the old good data around we can and should generate a cache for (again). There are probably more instances of this hiding, but all these looked like the easiest to work with and fix with reasonable (aka net-positive) effects.
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