[Feature Request] Add line-length indicator to commit message field in merge requests
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Problem to solve
When using the Web UI to merge a change, it is possible to edit the final (squashed) commit message. Unfortunately, the field does not indicate the recommended line lengths for git commit messages (50 characters subject line, 72 characters body). If developers aren't fully aware of this, it leads to badly formatted commit messages.
Proposal
Add a line-length indicator to the commit message field in the MR Web UI.
This could be done similarly to how it is already implemented in the Web IDE. Feature was tracked in gitlab-foss#44832 (closed).
See also the pictures below for reference:
Merge Request UI
Web IDE
Intended users
Anyone using the Merge Request UI.
Labels
I hope I picked the right labels, feel free to change of course.
EDIT: Okay, seems like I cannot add labels anyway.