remove unused git.IsErrUnsupportedVersion

routers/api/v1/repo/repo.go

@@ -21,7 +21,6 @@ import (
 	repo_model "code.gitea.io/gitea/models/repo"
 	unit_model "code.gitea.io/gitea/models/unit"
 	user_model "code.gitea.io/gitea/models/user"
-	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/gitrepo"
 	"code.gitea.io/gitea/modules/label"
 	"code.gitea.io/gitea/modules/log"
@@ -739,10 +738,8 @@ func updateBasicProperties(ctx *context.APIContext, opts api.EditRepoOption) err
 	if opts.DefaultBranch != nil && repo.DefaultBranch != *opts.DefaultBranch && (repo.IsEmpty || ctx.Repo.GitRepo.IsBranchExist(*opts.DefaultBranch)) {
 		if !repo.IsEmpty {
 			if err := gitrepo.SetDefaultBranch(ctx, ctx.Repo.Repository, *opts.DefaultBranch); err != nil {
-				if !git.IsErrUnsupportedVersion(err) {
-					ctx.Error(http.StatusInternalServerError, "SetDefaultBranch", err)
-					return err
-				}
+				ctx.Error(http.StatusInternalServerError, "SetDefaultBranch", err)
+				return err
 			}
 			updateRepoLicense = true
 		}

routers/private/default_branch.go

@@ -8,7 +8,6 @@ import (
 	"net/http"
 
 	repo_model "code.gitea.io/gitea/models/repo"
-	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/gitrepo"
 	"code.gitea.io/gitea/modules/private"
 	gitea_context "code.gitea.io/gitea/services/context"
@@ -23,12 +22,10 @@ func SetDefaultBranch(ctx *gitea_context.PrivateContext) {
 
 	ctx.Repo.Repository.DefaultBranch = branch
 	if err := gitrepo.SetDefaultBranch(ctx, ctx.Repo.Repository, ctx.Repo.Repository.DefaultBranch); err != nil {
-		if !git.IsErrUnsupportedVersion(err) {
-			ctx.JSON(http.StatusInternalServerError, private.Response{
-				Err: fmt.Sprintf("Unable to set default branch on repository: %s/%s Error: %v", ownerName, repoName, err),
-			})
-			return
-		}
+		ctx.JSON(http.StatusInternalServerError, private.Response{
+			Err: fmt.Sprintf("Unable to set default branch on repository: %s/%s Error: %v", ownerName, repoName, err),
+		})
+		return
 	}
 
 	if err := repo_model.UpdateDefaultBranch(ctx, ctx.Repo.Repository); err != nil {

services/mirror/mirror_pull.go

@@ -613,14 +613,8 @@ func checkAndUpdateEmptyRepository(ctx context.Context, m *repo_model.Mirror, re
 		}
 		// Update the git repository default branch
 		if err := gitrepo.SetDefaultBranch(ctx, m.Repo, m.Repo.DefaultBranch); err != nil {
-			if !git.IsErrUnsupportedVersion(err) {
-				log.Error("Failed to update default branch of underlying git repository %-v. Error: %v", m.Repo, err)
-				desc := fmt.Sprintf("Failed to update default branch of underlying git repository '%s': %v", m.Repo.RepoPath(), err)
-				if err = system_model.CreateRepositoryNotice(desc); err != nil {
-					log.Error("CreateRepositoryNotice: %v", err)
-				}
-				return false
-			}
+			log.Error("Failed to update default branch of underlying git repository %-v. Error: %v", m.Repo, err)
+			return false
 		}
 		m.Repo.IsEmpty = false
 		// Update the is empty and default_branch columns

services/repository/branch.go

@@ -603,9 +603,7 @@ func SetRepoDefaultBranch(ctx context.Context, repo *repo_model.Repository, gitR
 		}
 
 		if err := gitrepo.SetDefaultBranch(ctx, repo, newBranchName); err != nil {
-			if !git.IsErrUnsupportedVersion(err) {
-				return err
-			}
+			return err
 		}
 		return nil
 	}); err != nil {

services/repository/push.go

@@ -183,9 +183,7 @@ func pushUpdates(optsList []*repo_module.PushUpdateOptions) error {
 						repo.IsEmpty = false
 						if repo.DefaultBranch != setting.Repository.DefaultBranch {
 							if err := gitrepo.SetDefaultBranch(ctx, repo, repo.DefaultBranch); err != nil {
-								if !git.IsErrUnsupportedVersion(err) {
-									return err
-								}
+								return err
 							}
 						}
 						// Update the is empty and default_branch columns