Feature: expand permalinks to code blocks in issues

Nolan Kingrequested to merge
gitlab-community/gitlab-org/gitlab:feature/render-code-permalinks-inline into master

What does this MR do and why?

Capture permalinks to LOC and expand into a code block.

resolves issue: #22156 (closed)

Expected behavior:

  • ignores links to other repos or hosts
  • ignores links other than permalinks (missing SHA, etc).
  • only expands urls when the issue is viewed. Does not expand while editing the issue. Open to discussion if other behavior is preferred.
  • on private repos does not expand if user does not have read_code permission.

I leaned on Claude code heavily for this because I don't really know ruby (I'm a rust enjoyer). Happy to revise by hand after an initial review.

Screenshots or screen recordings

Before After
image.png image.png

How to set up and validate locally

Setup

  1. In a GDK, enable the flag:

    Feature.enable(:expand_blob_permalinks)

  2. Create a new issue, paste a permalink to a LOC from that repo.

Edited by Nolan King

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