Merge a branch into master, then open a new pr with the same branch: still show diff. I expect no diff, as it's already merged.

[ormanlis]

Description

Merge a branch into master, then open a new pr with the same branch: still show diff. I expect no diff, as it's already merged.

Gitea Version

1.15.10 built with GNU Make 4.3, go1.16.13 : bindata, timetzdata, sqlite, sqlite_unlock_notify

Can you reproduce the bug on the Gitea demo site?

No

Log Gist

No response

Screenshots

No response

Git Version

2.30.2

Operating System

ubuntu

How are you running Gitea?

docker

Database

SQLite

[zeripath]

Can you create an example on try.gitea.io?

[ormanlis]

You can just merge a commit and then open a pr. I think this must be very common and everyone already encountered. I will try to reproduce in there later, as now I'm not home.

[lunny]

I think maybe you are still using the old merge base?

[ormanlis]

I think maybe you are still using the old merge base?

Could you tell me how to not use it? I think I have almost all defaults.

[GiteaBot]

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