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Comments Migration

What Gets Migrated

Comments are added to issues/PRs with attribution:

**Comment by @alice-github on 2023-05-15:**

[Original comment text]

What IS Preserved

  • ✅ Comment Text: Full content including markdown.
  • ✅ Original Author: @tagged for notifications.
  • ✅ Original Timestamp: Noted in comment.
  • ✅ Link Rewrites: Cross-references updated to GitHub URLs.
  • ✅ @Mentions: Updated to GitHub usernames.
  • ✅ Attachments: Downloaded and noted (see Attachments section).

What Is NOT Preserved

  • ❌ Comment Author: Shows as migration account.
  • ❌ Comment Date: Shows as migration date.
  • ❌ Comment Edit History: Only final version migrated.
  • ❌ Threaded Replies: For PRs migrated as issues, replies are flattened with notes. For PRs migrated as PRs, inline review comments support threading.
  • ❌ Inline Code Comments: PR code review comments are not migrated (except for threaded support in PRs).
  • ❌ Resolved/Unresolved Status: Comment resolution status not preserved.

Special Handling

  • ✅ Deleted Comments: Comments marked as deleted in Bitbucket are skipped during migration to avoid data pollution.
  • ✅ Pending Comments: Comments marked as pending approval in Bitbucket are migrated with a clear annotation: [PENDING APPROVAL] at the top of the comment body.
  • ✅ Threaded Replies:
  • For PRs migrated as GitHub PRs, inline review comments support threading using GitHub's in_reply_to field.
  • For PRs migrated as issues or other cases, replies are flattened with a note: [Reply to Bitbucket Comment {ID}].
  • Comments are processed in topological order to ensure parents are created before replies.