What changes here, if any, will require re-baking posts with hashtags in them? Will any required re-baking happen automatically based on enabling this, or will there be an explicit migration step to rebake?

I just merged a rake task for this: https://github.com/discourse/discourse/pull/19876 bundle exec rake hashtags:mark_old_format_for_rebake

[image] Michael K Johnson: Will any required re-cooking happen automatically based on enabling this, or will thre be a migration step to recook? After enabling the feature I just ran rebake all posts through rails. [image] Rebake all posts? Self-hosting Either one of these should work ./launcher enter app rake posts:rebake or cd /var/discourse ./launcher enter app bundle exec rake posts:rebake

I have a lot of posts, the vast majority of which won’t need to be touched. I was kind of hoping there would be a rebake-only-affected-posts ability, either explicit or implicit.

[image] Michael K Johnson: I have a lot of posts, the vast majority of which won’t need to be touched. Rebaking can even harm older posts, it seems: How to avoid potential issues when rebaking all posts?

This feature is fresh out of the oven. There isn’t any built in ability to rebake all posts that have category/tag mentions included with it at this time. Will keep an ear to the ground here for what folks feel is necessary there and/or what solutions people come up with in the meantime.

[image] Ed S: Rebaking can even harm older posts, it seems: How to avoid potential issues when rebaking all posts? Is there a pattern perhaps we could use to rebake all posts except the ones with an embed/onebox? [image] Rebake all posts matching a pattern Self-Hosting bookmark This guide provides instructions on how to rebake all posts in Discourse that match a specific string or regular expression, utilizing the Rails console for additional advanced options. person_raising_hand Required user level: Administrator warning Console access required Want to rebake all the posts matching a string or regular expression? Let’s get started! Accessing your site To begin, connect to your Discourse Droplet via SSH and enter the Docker container for your Disc…

What we want to rebake is all posts for which the cooked representation matches class="hashtag", as far as I can tell. I don’t think that rebake_match will help here because it matches the raw text, and there is no option for matching against cooked text in the existing rails tasks. So this will, I think, require actual coding, either in the rails console or in a new task.

Something like Post.where("cooked like '%class=\"hashtag\"%'").each do |p| p.rebake! end

Something very like that! I just successfully tested exactly that on my staging site. I was thinking about the delay option for the posts:rebake_match but probably it doesn’t matter. It is of course insisting on re-processing all the images on the affected posts, which is unnecessary, so an automated fix just for this might reasonably avoid that, but in the meantime there is a way forward. I might want to do this by reverse ordering and adding a delay if a site has a lot of affected posts.

@mcwumbly Now that 3.0 was announced with this as a headline feature, what would you think about a migration that only fixed up the text without reprocessing images, or alternatively that lets you rebake only the affected posts with a delay so it doesn’t clog queues with image re-processing?

@martin can you share a few thoughts here on how you might approach this problem? In short, I think what people want ideally is something like: when I turn on the new hashtag feature, I want a way to update the style of all my old hashtags to match, without otherwise changing the contents of existing posts And maybe also: when I turn it off, I want an easy way to do the opposite.

What rebake is required for the new autocomplete styling?

Product Support

Jonathan5 March 12, 2023, 9:20am 21

That worked fine, thank you. For my purposes it seemed lower risk than trying the rake task.

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What rebake is required for the new autocomplete styling?

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