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Best way to migrate a community post history? (hackertalks.com)
submitted 2 weeks ago* (last edited 2 weeks ago) by [email protected] to c/[email protected]
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I have two lemm.ee communities and I very much want to keep the post history in one community for discover ability and archival purposes.

What tools and methods are available to transfer posts from one instance to another?

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[-] [email protected] 8 points 2 weeks ago* (last edited 2 weeks ago)

You can write a script for this:

# loop through all post
GET https://lemm.ee/api/v3/post/list?limit=50&sort=New&community_name=fedigrow&page=*page*
# take `post.ap_id` for each item
# then fetch it over activitypub on the other instance
GET https://lemmy.ml/api/v3/resolve_object?q=*urlencode post.ap_id*
# same thing for comments
GET https://lemm.ee/api/v3/comment/list?limit=50&sort=New&community_name=fedigrow&page=*page*
# again fetch
GET https://lemmy.ml/api/v3/resolve_object?q=*urlencode comment.ap_id*
[-] [email protected] 3 points 2 weeks ago* (last edited 2 weeks ago)

~~Yeah but this would only make it available on that remote instance. OP wants to transfer the community to another instance along with its posts/comments.~~

edit: misunderstood. Ignore.

this post was submitted on 04 Jun 2025
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