@gubbins wrote:
Summary
When users have to re-authenticate via gitlab, their mattermost username gets over-written with the one from gitlab. This is unwanted.
Steps to reproduce
Using 3.9.0 and all previous versions of mattermost, delegating authentication to a separate gitlab installation.
Create a user, then change the user's username. Then expire the session or otherwise force the user to re-authenticate.Expected behavior
None of the user's account details are replaced; the only field required to match their gitlab account is the email address.
Observed behavior
The username is replaced with the gitlab username. Possibly First and Last names are replaced too, I am not sure.
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