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Fix api error message if fork exists (#24487) (#24493) 

Backport #24487 by @fnetX

On the @Forgejo instance of Codeberg, we discovered that forking a repo
which is already forked now returns a 500 Internal Server Error, which
is unexpected. This is an attempt at fixing this.

The error message in the log:
~~~
2023/05/02 08:36:30 .../api/v1/repo/fork.go:147:CreateFork() [E]
[6450cb8e-113] ForkRepository: repository is already forked by user
[uname: ...., repo path: .../..., fork path: .../...]
~~~

The service that is used for forking returns a custom error message
which is not checked against.

About the order of options:
The case that the fork already exists should be more common, followed by
the case that a repo with the same name already exists for other
reasons. The case that the global repo limit is hit is probably not the
likeliest.

---------

Co-authored-by: Otto Richter (fnetX) <git@fralix.ovh>
This commit is contained in:
Giteabot 2023-05-03 08:15:56 -04:00 committed by GitHub
parent 73e70f3c44
commit 4dccac3dbf
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1 changed files with 1 additions and 1 deletions
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2
routers/api/v1/repo/fork.go
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@ -141,7 +141,7 @@ func CreateFork(ctx *context.APIContext) {
Description: repo.Description, Description: repo.Description,
}) })
if err != nil { if err != nil {
if repo_model.IsErrReachLimitOfRepo(err) || repo_model.IsErrRepoAlreadyExist(err) { if repo_service.IsErrForkAlreadyExist(err) || repo_model.IsErrRepoAlreadyExist(err) || repo_model.IsErrReachLimitOfRepo(err) {
ctx.Error(http.StatusConflict, "ForkRepository", err) ctx.Error(http.StatusConflict, "ForkRepository", err)
} else { } else {
ctx.Error(http.StatusInternalServerError, "ForkRepository", err) ctx.Error(http.StatusInternalServerError, "ForkRepository", err)