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authorJoey Hess <joey@kodama.kitenet.net>2008-08-23 13:31:10 -0400
committerJoey Hess <joey@kodama.kitenet.net>2008-08-23 13:31:10 -0400
commit5115b8e418ebd4753edd73ce019b97c898ed9ff7 (patch)
tree6f5bd6245228e15ccb184236553c9d422dad5acc /doc
parent9b10f5eab22be36cf3b3a217076c76a669b4aafa (diff)
comments
Diffstat (limited to 'doc')
-rw-r--r--doc/todo/tracking_bugs_with_dependencies.mdwn24
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/todo/tracking_bugs_with_dependencies.mdwn b/doc/todo/tracking_bugs_with_dependencies.mdwn
index 357cc33a8..cd5f5e372 100644
--- a/doc/todo/tracking_bugs_with_dependencies.mdwn
+++ b/doc/todo/tracking_bugs_with_dependencies.mdwn
@@ -9,6 +9,9 @@ I like the idea of [[tips/integrated_issue_tracking_with_ikiwiki]], and I do so
> One way to do this would be to introduce variables into the pagespec, along with
> universal and/or existential [[!wikipedia Quantification]]. That looks quite complex.
>
+>> I thought about this briefly, and got about that far.. glad you got
+>> further. :-) --[[Joey]]
+>
> Another option would be go with a more functional syntax. The concept here would
> be to allow a pagespec to appear in a 'pagespec function' anywhere a page can. e.g.
> I could pass a pagespec to `link()` and that would return true if there is a link to any
@@ -22,6 +25,9 @@ I like the idea of [[tips/integrated_issue_tracking_with_ikiwiki]], and I do so
> ends, and that isn't a regular language (we can't use regular expression matching for
> easy parsing).
>
+>> Also, it may cause ambiguities with page names that contain parens
+>> (though some such ambigutities already exist with the pagespec syntax).
+>
> One simplification of that would be to introduce some pagespec [[shortcuts]]. We could
> then allow pagespec functions to take either pages, or named pagespec shortcuts. The
> pagespec shortcuts would just be listed on a special page, like current [[shortcuts]].
@@ -37,6 +43,21 @@ I like the idea of [[tips/integrated_issue_tracking_with_ikiwiki]], and I do so
>
> -- [[Will]]
+>> Having a separate page for the shortcuts feels unwieldly.. perhaps
+>> instead the shortcut could be defined earlier in the scope of the same
+>> pagespec that uses it?
+>>
+>> Example: `define(~bugs, bugs/* and !*/Discussion) and define(~openbugs, ~bugs and !link(done)) and ~openbugs and !link(~openbugs)`
+>>
+>> Note that I made the "~" explicit, not implicit, so it could be left out. In the case of ambiguity between
+>> a definition and a page name, the definition would win.
+>>
+>> So, equivilant example: `define(bugs, bugs/* and !*/Discussion) and define(openbugs, bugs and !link(done)) and openbugs and !link(openbugs)`
+>>
+>> Re recursion, it is avoided.. but building a pagespec that is O(N^X) where N is the
+>> number of pages in the wiki is not avoided. Probably need to add DOS prevention.
+>> --[[Joey]]
+
> One quick further thought. All the above discussion assumes that 'dependency' is the
> same as 'links to', which is not really true. For example, you'd like to be able to say
> "This bug does not depend upon [ [ link to other bug ] ]" and not have a dependency.
@@ -62,6 +83,9 @@ matches the appropriate page spec. There is no good list of pages available to
does not give me a good list of pages. I found the same thing when I was working on
this todo [[todo/Add_a_plugin_to_list_available_pre-processor_commands]].
+> I'm not sure why iterating over `%pagesources` wouldn't work here, it's the same method
+> used by anything that needs to match a pagespec against all pages..? --[[Joey]]
+
Immediately below is a patch for IkiWiki.pm. Below that is a new plugin `definepagespec `
which behaves like `shortcut` for pagespecs.