Error 500 when trying to open a new PR with an empty CSV file

[noiaverbale]

Gitea Version

1.15.3

Git Version

2.30.2

Operating System

Docker

How are you running Gitea?

Docker, image gitea/gitea:1.15.3

Database

PostgreSQL

Can you reproduce the bug on the Gitea demo site?

Yes

Log Gist

https://gist.github.com/noiaverbale/4c3b1706e54f581c32eb3790fa7f7373

Description

When I click "New Pull Request" button from a branch where an empty csv file has been added to, an error 500 appears.

To reproduce it you just need to:

1. checkout a new branch
2. add, commit and push empty file with csv extension
3. open new PR or compare with parent branch

URLs

• Branch with empty csv file: https://try.gitea.io/noiaverbale/empty-csv-issue-test/src/branch/empty-csv
• After clicking "New Pull Request" button: https://try.gitea.io/noiaverbale/empty-csv-issue-test/compare/master...empty-csv

Screenshots

[KN4CK3R]

may be fixed in #17018

[kdumontnu]

Looks like this is fixed 🎉