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Code Issues Releases Activity

fix: make API /repos/{owner}/{repo}/compare/{basehead} work with forks (#8326)

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- fix: API must use headGitRepo instead of ctx.Repo.GitRepo for comparing
- fix: make API /repos/{owner}/{repo}/compare/{basehead} work with forks
- add test coverage for both fixes and the underlying function `parseCompareInfo`
- refactor and improve part of the helpers from `tests/integration/api_helper_for_declarative_test.go`
- remove a few wrong or misleading comments

Refs forgejo/forgejo#7978

## Note on the focus of the PR

It was initially created to address a regression introduced in v12. But the tests that verify it is fixed discovered a v11.0 bug. They cannot conveniently be separated because they both relate to the same area of code that was previously not covered by any test.

## Note on v11.0 backport

It must be manually done by cherry-picking all commits up to and not including `fix: API must use headGitRepo instead of ctx.Repo.GitRepo for comparing` because it is v12 specific.

## Checklist

The [contributor guide](https://forgejo.org/docs/next/contributor/) contains information that will be helpful to first time contributors. There also are a few [conditions for merging Pull Requests in Forgejo repositories](https://codeberg.org/forgejo/governance/src/branch/main/PullRequestsAgreement.md). You are also welcome to join the [Forgejo development chatroom](https://matrix.to/#/#forgejo-development:matrix.org).

### Tests

- I added test coverage for Go changes...
  - [x] in the `tests/integration` directory if it involves interactions with a live Forgejo server.

### Documentation

- [x] I did not document these changes and I do not expect someone else to do it.

### Release notes

- [x] I do not want this change to show in the release notes.

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/8326
Reviewed-by: Otto <otto@codeberg.org>
Co-authored-by: Earl Warren <contact@earl-warren.org>
Co-committed-by: Earl Warren <contact@earl-warren.org>
This commit is contained in:
Earl Warren 2025-06-28 23:28:12 +02:00 • committed by Earl Warren
parent 225a0f7026
commit d6e4342353
14 changed files with 311 additions and 138 deletions
Download patch file Download diff file Expand all files Collapse all files

4
routers/api/v1/repo/compare.go
View file

@ -64,7 +64,7 @@ func CompareDiff(ctx *context.APIContext) {
}
}
_, headGitRepo, ci, _, _ := parseCompareInfo(ctx, api.CreatePullRequestOption{
headRepository, headGitRepo, ci, _, _ := parseCompareInfo(ctx, api.CreatePullRequestOption{
Base: infos[0],
Head: infos[1],
})
@ -80,7 +80,7 @@ func CompareDiff(ctx *context.APIContext) {
apiFiles := []*api.CommitAffectedFiles{}
userCache := make(map[string]*user_model.User)
for i := 0; i < len(ci.Commits); i++ {
apiCommit, err := convert.ToCommit(ctx, ctx.Repo.Repository, ctx.Repo.GitRepo, ci.Commits[i], userCache,
apiCommit, err := convert.ToCommit(ctx, headRepository, headGitRepo, ci.Commits[i], userCache,
convert.ToCommitOptions{
Stat: true,
Verification: verification,