Diff skips lines starting with '++ ' or '-- '

[zeripath]

• Gitea version (or commit ref): master, 1.13-rc1, 1.12.x and earlier
• Can you reproduce the bug at https://try.gitea.io:
  • Yes (provide example URL): Compare https://try.gitea.io/arandomer/pathological/commit/88612bf69b8b2035bf41ae4fdbab0ae399238d60 with
    https://try.gitea.io/arandomer/pathological/commit/88612bf69b8b2035bf41ae4fdbab0ae399238d60.diff
  • No
  • Not relevant
• Log gist:

Description

First noted in https://codeberg.org/Codeberg/Community/issues/308

Gitea's ParsePatch code in services/gitdiff/gitdiff.go will skip any diff lines that start with "+++ " or "--- ".