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Joey Hess 2009-10-04 16:40:36 -04:00
parent 4a20402ba0
commit b0314296a8
1 changed files with 8 additions and 7 deletions
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doc/bugs/transitive_dependencies.mdwn
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@ -1,5 +1,5 @@
If a sidebar contains a map, or inline (etc), one would expect a If a sidebar contains a map, or inline (etc), one would expect a
change/add/remove of any of the mapped/inlined pages to cause a full wiki add/remove of any of the mapped/inlined pages to cause a full wiki
rebuild. But this does not happen. rebuild. But this does not happen.
If page A inlines page B, which inlines page C, a change to C will cause B If page A inlines page B, which inlines page C, a change to C will cause B
@ -55,13 +55,14 @@ Downsides here:
average, still 2x as much worst case. I suppose building a directed average, still 2x as much worst case. I suppose building a directed
graph and traversing it would be theoretically more efficient.) graph and traversing it would be theoretically more efficient.)
* Causes extra work for some transitive dependencies that we don't * Causes extra work for some transitive dependencies that we don't
actually care about. For example, changing index causes actually care about. This is amelorated, but not solved by
the current work on [[todo/dependency_types]].
For example, changing index causes
plugins/brokenlinks to update in the first pass; if there's a second plugins/brokenlinks to update in the first pass; if there's a second
pass, plugins/map is then updated, because it depends on plugins/brokenlinks. pass, plugins/map is no longer updated (contentless dependencies FTW),
but plugins is, because it depends on plugins/brokenlinks.
(Of course, this is just a special case of the issue that a real (Of course, this is just a special case of the issue that a real
modification to plugins/brokenlinks causes an unnecessary update of plugins/map, modification to plugins/brokenlinks causes an unnecessary update of
because we have [[only_one_kind_of_dependency|todo/dependency_types]].) plugins, and could be solved by adding more dependency types.)
(Fixed now for cases like this one where contenless dependencies avoid
the unnecessary work.)
--[[Joey]] --[[Joey]]