X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/c69a7f758590c91bd137a8d1cfa99f37bf28045a..64aca7c30b5ffc48546bdd7f3001b0a0b4bae072:/doc/plugins/aggregate.mdwn?ds=sidebyside diff --git a/doc/plugins/aggregate.mdwn b/doc/plugins/aggregate.mdwn index 9bedab1cb..75123d923 100644 --- a/doc/plugins/aggregate.mdwn +++ b/doc/plugins/aggregate.mdwn @@ -1,15 +1,17 @@ [[!template id=plugin name=aggregate author="[[Joey]]"]] -[[!tag type/useful]] +[[!tag type/special-purpose]] -This plugin implements the [[ikiwiki/directive/aggregate]] [[ikiwiki/directive]]. +This plugin allows content from other feeds to be aggregated into the +wiki. To specify feeds to aggregate, use the +[[ikiwiki/directive/aggregate]] [[ikiwiki/directive]]. -New users of aggregate should enable the `aggregateinternal => 1` option in the -.setup file. If you don't do so, you will need to enable the [[html]] plugin -as well as aggregate itself, since feed entries will be stored as HTML. +## requirements -The [[meta]] and [[tag]] plugins are also recommended. The -[[htmltidy]] plugin is suggested, since feeds can easily contain html -problems, some of which tidy can fix. +The [[meta]] and [[tag]] plugins are also recommended to be used with this +one. Either the [[htmltidy]] or [[htmlbalance]] plugin is suggested, since +feeds can easily contain html problems, some of which these plugins can fix. + +## triggering aggregation You will need to run ikiwiki periodically from a cron job, passing it the --aggregate parameter, to make it check for new posts. Here's an example @@ -17,6 +19,11 @@ crontab entry: */15 * * * * ikiwiki --setup my.wiki --aggregate --refresh +The plugin updates a file `.ikiwiki/aggregatetime` with the unix time stamp +when the next aggregation run could occur. (The file may be empty, if no +aggregation is required.) This can be integrated into more complex cron +jobs or systems to trigger aggregation only when needed. + Alternatively, you can allow `ikiwiki.cgi` to trigger the aggregation. You should only need this if for some reason you cannot use cron, and instead want to use a service such as [WebCron](http://webcron.org). To enable @@ -25,37 +32,26 @@ visit is `http://whatever/ikiwiki.cgi?do=aggregate_webtrigger`. Anyone can visit the url to trigger an aggregation run, but it will only check each feed if its `updateinterval` has passed. -## internal pages and `aggregateinternal` +## aggregated pages This plugin creates a page for each aggregated item. If the `aggregateinternal` option is enabled in the setup file (which is -recommended), aggregated pages are stored in the source directory with a +the default), aggregated pages are stored in the source directory with a "._aggregated" extension. These pages cannot be edited by web users, and do not generate first-class wiki pages. They can still be inlined into a blog, but you have to use `internal` in [[PageSpecs|IkiWiki/PageSpec]], like `internal(blog/*)`. -For backward compatibility, the default is that these pages have the -".html" extension, and are first-class wiki pages -- each one generates -a separate HTML page in the output, and they can even be edited. - -That turns out to not be ideal for aggregated content, because publishing -files for each of those pages is a waste of disk space and CPU, and you -probably don't want to allow them to be edited. So, there is an alternative -method that can be used (and is recommended), turned on by the -`aggregateinternal` option in the setup file. - -If you are already using aggregate and want to enable `aggregateinternal`, -you should follow this process: - -1. Update all [[PageSpecs|ikiwiki/PageSpec]] that refer to the aggregated - pages -- such as those in inlines. Put "internal()" around globs - in those PageSpecs. For example, if the PageSpec was `foo/*`, it should - be changed to `internal(foo/*)`. This has to be done because internal - pages are not matched by regular globs. -2. Turn on `aggregateinternal` in the setup file. -3. Use [[ikiwiki-transition]] to rename all existing aggregated `.html` - files in the srcdir. The command to run is - `ikiwiki-transition aggregateinternal $setupfile`, -4. Refresh the wiki. (`ikiwiki -setup your.setup -refresh`) +If `aggregateinternal` is disabled, you will need to enable the [[html]] +plugin as well as aggregate itself, since feed entries will be stored as +HTML, and as first-class wiki pages -- each one generates +a separate HTML page in the output, and they can even be edited. This +option is provided only for backwards compatability. + +## cookies + +The `cookiejar` option can be used to configure how [[!cpan LWP::UserAgent]] +handles cookies. The default is to read them from a file +`~/.ikiwiki/cookies`, which can be populated using standard perl cookie +tools like [[!cpan HTTP::Cookies]].