Fix repo avatar conflict

services/repository/avatar.go

@@ -8,7 +8,6 @@ import (
 	"fmt"
 	"io"
 	"strconv"
-	"strings"
 
 	"code.gitea.io/gitea/models/db"
 	repo_model "code.gitea.io/gitea/models/repo"
@@ -107,7 +106,8 @@ func RemoveRandomAvatars(ctx context.Context) error {
 
 // generateAvatar generates the avatar from a template repository
 func generateAvatar(ctx context.Context, templateRepo, generateRepo *repo_model.Repository) error {
-	generateRepo.Avatar = strings.Replace(templateRepo.Avatar, strconv.FormatInt(templateRepo.ID, 10), strconv.FormatInt(generateRepo.ID, 10), 1)
+	// generate a new different hash, whatever the "hash data" is, it doesn't matter
+	generateRepo.Avatar = avatar.HashAvatar(generateRepo.ID, []byte("new-avatar"))
 	if _, err := storage.Copy(storage.RepoAvatars, generateRepo.CustomAvatarRelativePath(), storage.RepoAvatars, templateRepo.CustomAvatarRelativePath()); err != nil {
 		return err
 	}

services/repository/avatar_test.go

@@ -61,3 +61,11 @@ func TestDeleteAvatar(t *testing.T) {
 
 	assert.Equal(t, "", repo.Avatar)
 }
+
+func TestGenerateAvatar(t *testing.T) {
+	templateRepo := &repo_model.Repository{ID: 10, Avatar: "a"}
+	generateRepo := &repo_model.Repository{ID: 11}
+	_ = generateAvatar(db.DefaultContext, templateRepo, generateRepo)
+	assert.NotEmpty(t, generateRepo.Avatar)
+	assert.NotEqual(t, templateRepo.Avatar, generateRepo.Avatar)
+}

services/repository/delete.go

@@ -317,7 +317,8 @@ func DeleteRepositoryDirectly(ctx context.Context, doer *user_model.User, repoID
 
 	if len(repo.Avatar) > 0 {
 		if err := storage.RepoAvatars.Delete(repo.CustomAvatarRelativePath()); err != nil {
-			return fmt.Errorf("Failed to remove %s: %w", repo.Avatar, err)
+			log.Error("remove avatar file %q: %v", repo.CustomAvatarRelativePath(), err)
+			// go on
 		}
 	}