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Version 0.31.19 starts a new DF generation?

My reading of Toady's comments on the release of 0.31.19 is that it came out basically because he felt it would take too long to get DF all the way to 0.32. With the ore changes, the sitefinder changes, the addition of grazing and several different industries, there's a lot of changes between 31.18 and 31.19. So I'm thinking it might be a good idea to call it the first release of DF2011 - and what we refer to as "DF2010" would then become 0.31.18.

Thoughts? --DeMatt 07:06, 28 February 2011 (UTC)

Revisiting Redirects

I wasn't around when the redirect policy was created, and I'm having trouble understanding the rationale. The example claims that linking Main:Cheese to cv:Cheese maker is problematic...but mainspace only ever redirects to the current version. If the best target in the current version is cheese maker, why not link to it directly? (It's not, at least for Cheese, since DF2012:Cheese exists now.) The explanation seems to be claiming that 40d articles that link to Cheese will follow the Mainspace link--but that hasn't been the case for a long while now. Articles in 40d automatically link against other articles in 40d, so that version remains internally consistent no matter where mainspace links to in the current version. For a current example, what do we gain by linking Main:Mead to cv:Mead and linking DF2012:Mead to DF2012:Alcohol?

If this really is just an outdated procedure, I recommend we drop the mummery and allow mainspace to link to cv:(best target). Double redirects may work (sometimes, but Main:Mead demonstrates a common problem where automatic redirection fails), but if they are unnecessary I think they should be avoided, partly because of problems like Main:Mead and partly because of the effort required to protect double redirects from users who believe they are problematic.--Loci (talk) 20:16, 8 January 2014 (UTC)

I was just thinking that. I'm currently attempting to write a basic extension to eliminate the need for mainspace redirects entirely, although Mediawiki's class structure may make this more difficult than I had hoped (the only method I've found for resolving redirects takes the article text instead of a title, e.g. "#REDIRECT ..."). I do agree that the current situation with redirects isn't ideal, so I'm hoping this will work better (once I get it to work). --Lethosor (talk) 20:42, 8 January 2014 (UTC)

Okay, that wasn't quite as clear as I meant it to be. In general, I think this is a tricky situation. Mediawiki wasn't designed to have five content namespaces, and certainly not chains of redirects between them. The problem that was pointed out in the policy is the fact that with:

Main:Foo -> cv:Bar

pages in the cv: namespace can't use [[foo]], since the namespace links modification causes it to be treated as [[cv:foo]] instead, which doesn't exist. The current suggested solution is this:

Main:Foo -> cv:Foo -> cv:Bar

This fixes the problem of [[foo]] not working on cv pages, but creates issues with double redirects not always working. Another solution, which is more intuitive to new editors, is:

Main:Foo -> cv:Bar
cv:Foo -> cv:Bar

Both require creating two redirects. The first method has the advantage of ensuring that the cv redirect exists (otherwise, main:foo would be a redlink), while the second has the advantage of working more reliably in a couple cases.

What I'm trying to do is make main:Foo "jump" to cv:Foo when cv:foo exists, even if main:foo doesn't exist (basically it would treat all mainspace pages as redirects to cv pages, but only if the cv page exists and not the mainspace page). I had main:Bar jumping to cv:Bar fine, but if cv:Foo redirected to cv:Bar, accessing main:Foo would mysteriously stop at cv:Foo even if I increased the redirect limit. What I'm trying to do now is follow the redirects internally, without relying on Mediawiki to do it automatically - unfortunately, that has proved to be harder than I had hoped (and I sent my web server into an infinite loop while trying). I will try to work on this some more when I get a chance, although I'm not sure when that'll be yet :(. For now, feel free to fix broken double mainspace redirects as necessary, as long as redirects in the DF2012 namespace stay pointing to the right page (and new mainspace redirects get added in the DF2012 namespace too). --Lethosor (talk) 04:21, 9 January 2014 (UTC)

You're treating cv like a namespace--it's not. It is simply shorthand for "fill in the current version here". As I discovered a long time ago on a server not far away, linking from Main:Foo to cv:Foo tends to break redirection chains. If, instead of linking to cv:Foo, you link to DF2012:Foo, it might just work. It would, of course, be better if your patch could evaluate cv itself, but even if you have to hardcode the current version it's a single point of maintenance that requires update very infrequently. (For that matter, we could probably dispense with the cv hack entirely and just have a bot update mainspace links from DF2012 to DF201X when we switch to a new version.)--Loci (talk) 20:05, 9 January 2014 (UTC)

I know cv isn't a namespace - I was just trying to avoid future confusion when the DF2012 namespace changes. It's interesting that changing "cv" to "DF2012" fixes some broken redirects, although I've found that simply making an edit to a broken redirect can usually fix it as well. I've actually had the most problems with double redirects when the second one (in the DF2012 namespace) doesn't use the DF2012 prefix (e.g. main:Foo containing [[cv:Foo]] and DF2012:Foo containing [[Bar]]). I'd rather keep the cv alias even if it isn't necessary for mainspace redirects when I get the patch to work, since it makes it easier to refer to the current version of the page (for example, several MDF articles contain links to a vanilla page for things that don't change in the mod).

Also, using aliases like "cv" is supported by Mediawiki; in fact, several WMF wikis use them (for example, "WP:Redirects" on Wikipedia). It's quite likely that Mediawiki isn't processing double redirects using aliases correctly, though, since that's uncommon on most wikis. --Lethosor (talk) 21:35, 9 January 2014 (UTC)

In light of the lack of support for the current redirect policy, I propose we replace the current redirect section with:

Mainspace article pages should use the cv: alias when redirecting to a versioned page, which will automatically update the link when a new version is released. For example, page "Main:Foo" should redirect to page "cv:Bar" (where "Bar" is the page that best describes the topic Foo in the current version).

Pages in mainspace should only redirect to an older versioned page if that content no longer exists in the current version of the game (e.g. Cave river, Chunk). In these cases the cv: alias cannot be used.

Pages inside a versioned namespace should not use the cv: alias. Instead, they should redirect to the best page within that versioned namespace (e.g. DF2012:Dodging, v0.31:Drink).

Due to limitations of the wiki software, double redirects should be avoided if possible. When fixing double redirects in mainspace, please make sure to use the cv: alias as appropriate.

If no one objects, I will make this change in a few days.--Loci (talk) 20:21, 15 January 2014 (UTC)

Okay with me. It may be worth mentioning that double redirects only really need to be changed when they don't work (since changing a lot of redirects that work isn't necessary), but I think it's clearer and more relevant than the current policy. —Lethosor (talk) 00:26, 16 January 2014 (UTC)

Done.--Loci (talk) 20:55, 22 January 2014 (UTC)

I was finally able to get my extension to work after being motivated by one too many malfunctioning redirects. It now causes nonexistent pages in the main namespace to behave exactly like redirects to their DF2012 counterparts (when linked to, accessed directly, and transcluded). Double redirects also work (up to 100, in fact, although that was a temporary safety measure that I'll probably change). This means we'll be able to safely get rid of all mainspace redirects (redirects that redirect to something other than "cv" will still function if not deleted). —Lethosor (talk) 01:20, 14 March 2014 (UTC)

What about articles which don't exist in the current version but do exist in older versions? Will those still need mainspace redirects, or will your extension be able to automatically redirect them to v0.31/40d/23a? --Quietust (talk) 01:29, 14 March 2014 (UTC)

It ignores all mainspace pages that actually have content, including redirects, so pages like masons guild won't be affected (unless deleted). —Lethosor (talk) 01:47, 14 March 2014 (UTC)

Done and deployed. Cat is still treated as a redirect, even though I just deleted it (try clicking on the "redirected from" link). Pages that exist are ignored, so Masons guild and History of Dwarf Fortress still function normally (as a redirect to a 23a page and a non-redirect, respectively). —Lethosor (talk) 18:57, 14 April 2014 (UTC)

I'm sending around a bot right now to delete all redirects of the format "foo -> cv:foo" (a surprising number don't fit this format, so I'm leaving them alone for now). —Lethosor (talk) 20:43, 14 April 2014 (UTC)