[Vendor] update gitea-sdk v0.14.0 (go-gitea#15103)

* upgraded code.gitea.io/sdk/gitea v0.13.2 => v0.14.0

* rm workaround

go.mod

@@ -5,7 +5,7 @@ go 1.14
 require (
 	cloud.google.com/go v0.78.0 // indirect
 	code.gitea.io/gitea-vet v0.2.1
-	code.gitea.io/sdk/gitea v0.13.2
+	code.gitea.io/sdk/gitea v0.14.0
 	gitea.com/go-chi/binding v0.0.0-20210301195521-1fe1c9a555e7
 	gitea.com/go-chi/cache v0.0.0-20210110083709-82c4c9ce2d5e
 	gitea.com/go-chi/captcha v0.0.0-20210110083842-e7696c336a1e

go.sum

@@ -38,8 +38,8 @@ cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RX
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 code.gitea.io/gitea-vet v0.2.1 h1:b30by7+3SkmiftK0RjuXqFvZg2q4p68uoPGuxhzBN0s=
 code.gitea.io/gitea-vet v0.2.1/go.mod h1:zcNbT/aJEmivCAhfmkHOlT645KNOf9W2KnkLgFjGGfE=
-code.gitea.io/sdk/gitea v0.13.2 h1:wAnT/J7Z62q3fJXbgnecoaOBh8CM1Qq0/DakWxiv4yA=
-code.gitea.io/sdk/gitea v0.13.2/go.mod h1:lee2y8LeV3kQb2iK+hHlMqoadL4bp27QOkOV/hawLKg=
+code.gitea.io/sdk/gitea v0.14.0 h1:m4J352I3p9+bmJUfS+g0odeQzBY/5OXP91Gv6D4fnJ0=
+code.gitea.io/sdk/gitea v0.14.0/go.mod h1:89WiyOX1KEcvjP66sRHdu0RafojGo60bT9UqW17VbWs=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 gitea.com/go-chi/binding v0.0.0-20210301195521-1fe1c9a555e7 h1:xCVJPY823C8RWpgMabTw2kOglDrg0iS3GcQU6wdwHkU=
 gitea.com/go-chi/binding v0.0.0-20210301195521-1fe1c9a555e7/go.mod h1:AyfTrwtfYN54R/HmVvMYPnSTenH5bVoyh8x6tBluxEA=

modules/migrations/gitea_downloader.go

@@ -525,9 +525,6 @@ func (g *GiteaDownloader) GetPullRequests(page, perPage int) ([]*base.PullReques
 				headRepoName = pr.Head.Repository.Name
 				headCloneURL = pr.Head.Repository.CloneURL
 			}
-			if err := fixPullHeadSha(g.client, pr); err != nil {
-				return nil, false, fmt.Errorf("error while resolving head git ref: %s for pull #%d. Error: %v", pr.Head.Ref, pr.Index, err)
-			}
 			headSHA = pr.Head.Sha
 			headRef = pr.Head.Ref
 		}
@@ -679,22 +676,3 @@ func (g *GiteaDownloader) GetReviews(index int64) ([]*base.Review, error) {
 	}
 	return allReviews, nil
 }
-
-// fixPullHeadSha is a workaround for https://github.com/go-gitea/gitea/issues/12675
-// When no head sha is available, this is because the branch got deleted in the base repo.
-// pr.Head.Ref points in this case not to the head repo branch name, but the base repo ref,
-// which stays available to resolve the commit sha.
-func fixPullHeadSha(client *gitea_sdk.Client, pr *gitea_sdk.PullRequest) error {
-	owner := pr.Base.Repository.Owner.UserName
-	repo := pr.Base.Repository.Name
-	if pr.Head != nil && pr.Head.Sha == "" {
-		refs, _, err := client.GetRepoRefs(owner, repo, pr.Head.Ref)
-		if err != nil {
-			return err
-		} else if len(refs) == 0 {
-			return fmt.Errorf("unable to resolve PR ref '%s'", pr.Head.Ref)
-		}
-		pr.Head.Sha = refs[0].Object.SHA
-	}
-	return nil
-}