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authorhttp://smcv.pseudorandom.co.uk/ <smcv@web>2010-12-26 21:55:11 +0000
committerJoey Hess <joey@kitenet.net>2010-12-26 21:55:11 +0000
commit1ffa7ae34bab62f33efab663d67900c918e4c353 (patch)
treea38a13da4130f75204de8eb085a6bef7fdca42b7 /doc/todo
parent7fe2a55b94a314d0118b190e422ce0e4d50342a9 (diff)
brief responses
Diffstat (limited to 'doc/todo')
-rw-r--r--doc/todo/transient_pages.mdwn67
1 files changed, 62 insertions, 5 deletions
diff --git a/doc/todo/transient_pages.mdwn b/doc/todo/transient_pages.mdwn
index ea1ff6a8f..d3473d0f3 100644
--- a/doc/todo/transient_pages.mdwn
+++ b/doc/todo/transient_pages.mdwn
@@ -15,9 +15,9 @@ This would also be useful for autoindex, as suggested on
[[plugins/autoindex/discussion]]. I'd also like to use it for
[[plugins/contrib/album]].
-One refinement I'd suggest is that if the transient page is edited,
-its transient contents are evaluated and used as the initial
-content for the edit box; after that, it'd become a static page. --[[smcv]]
+It could also be used for an [[todo/alias_directive]].
+
+--[[smcv]]
--------------------------
@@ -52,18 +52,40 @@ the transient underlay. There is a regression test.
> but does it make sense to make that wart larger?
> * You can know you can build the same site with nothing missing
> even if you don't there enable autoindex or whatever. (Edge case.)
->
+
+>> I'm not sure that that's a huge wart; you can always "edit by
+>> overwriting". If you're running a local clone of the wiki on your laptop
+>> or whatever, you have the underlays already, and can copy from there.
+>> Tag and autoindex pages have rather simple source code anyway. --s
+
> The benefit of using transient pages seems to just be avoiding commit
> clutter? For files that are never committed, transient pages are a clear
> win, but I wonder if adding configuration clutter just to avoid some
> commit clutter is really worth it.
->
+
+>> According to the last section of
+>> [[todo/auto-create_tag_pages_according_to_a_template]], chrysn and
+>> Eric both feel rather strongly that it should be possible to
+>> not commit any tags. I made it configurable because, as you point out,
+>> there are also reasons why it makes sense to check these
+>> automatically-created files in. I'm neutral on this, personally.
+>>
+>> If this is a point of contention, would you accept a branch that
+>> just adds `transient` and uses it for [[plugins/recentchanges]],
+>> which aren't checked in and never have been?
+>>
+>> One potentially relevant point is that configuration clutter only
+>> affects the site admin whereas commit clutter is part of the whole
+>> wiki's history. --[[smcv]]
+
> Anyway, the configurability
> appears subtly broken; the default is only 1 if a new setup file is
> generated. With an existing setup file, the 'default' values in
> `getsetup` don't take effect, so it will default to undef, which
> is treated the same as 0. --[[Joey]]
+>> Noted. I assume a `checkconfig` hook is the way to fix this. --s
+
autoindex ignores pages in the transient underlay when deciding whether
to generate an index.
@@ -78,12 +100,19 @@ Not done yet (in that branch, at least):
> Hmm, I'd at least want that to be dealt with before this was used
> by default for autoindex or tag. --[[Joey]]
+ >> I'll try to work out which of the checks are required for security
+ >> and which are just nice-to-have, but I'd appreciate any pointers
+ >> you could give. Note that my branch wasn't meant to enable either
+ >> by default. --[[smcv]]
+
* Transient tags that don't match any pages aren't deleted: I'm not sure
that that's a good idea anyway, though. Similarly, transient autoindexes
of directories that become empty aren't deleted.
> Doesn't seem necessary, or really desirable to do that. --[[Joey]]
+ >> Good, that was my inclination too. --s
+
* In my `untested/transient` branch, new aggregated files go in the
transient underlay too (they'll naturally migrate over time). I haven't
tested this yet, it's just a proof-of-concept.
@@ -94,19 +123,47 @@ Not done yet (in that branch, at least):
>> Here are some other things I'd like to think about first: --[[Joey]]
>>
>> * There's a FIXME in autoindex.
+
+>>> Right, the extra logic for preventing autoindex pages from being
+>>> re-created. I've started on regression tests for this, but I'll
+>>> need to rummage through the commit log for the exact requirements
+>>> and the reasoning behind them, so it could take a while. --s
+
>> * Suggest making recentchanges unlink the transient page
>> first, and only unlink from the old location if it wasn't
>> in the transient location. Ok, it only saves 1 syscall :)
+
+>>> Is an unlink() really that expensive? But, OK. --s
+
>> * Similarly it's a bit worrying for performance that it
>> needs to pull in and use `Cwd` on every ikiwiki startup now.
>> I really don't see the need; `wikistatedir` should
>> mostly be absolute, and ikiwiki should not chdir in ways
>> that break it anyway.
+
+>>> The reason to make it absolute is that relative underlays
+>>> are interpreted as relative to the base underlay directory,
+>>> not the cwd. I could conditionalize the use of `Cwd` on
+>>> `wikistatedir` not being absolute, though, which in practice
+>>> will only happen for unusual deployments (like the docwiki);
+>>> or I could add some mechanism by which you can add a
+>>> cwd-relative underlay? --s
+
>> * Unsure about the use of `default_pageext` in the `change`
>> hook. Is everything in the transientdir really going
>> to use that pageext? Would it be better to look up the
>> complete source filename?
+>>> At the moment everything in the transientdir will either
+>>> have the `default_pageext` or be internal, although I
+>>> did wonder whether to make [[plugins/contrib/album]]
+>>> viewer pages optionally be `html`, for better performance
+>>> when there's a very large number of photos.
+>>>
+>>> A more thorough garbage-collection mechanism would be to
+>>> use File::Find on the transient directory; I'll get there
+>>> eventually. --s
+
--------------------------
## An earlier version