Add DefaultWikiFormat var and its checks

models/repo/repo.go

@@ -164,6 +164,7 @@ type Repository struct {
 	OriginalURL         string             `xorm:"VARCHAR(2048)"`
 	DefaultBranch       string
 	DefaultWikiBranch   string
+	DefaultWikiFormat   string
 
 	NumWatches          int
 	NumStars            int

routers/web/repo/setting/setting.go

@@ -524,6 +524,9 @@ func handleSettingsPostAdvanced(ctx *context.Context) {
 		deleteUnitTypes = append(deleteUnitTypes, unit_model.TypeCode)
 	}
 
+	if form.EnableWiki && form.DefaultWikiFormat {
+	}
+
 	if form.EnableWiki && form.EnableExternalWiki && !unit_model.TypeExternalWiki.UnitGlobalDisabled() {
 		if !validation.IsValidExternalURL(form.ExternalWikiURL) {
 			ctx.Flash.Error(ctx.Tr("repo.settings.external_wiki_url_error"))

services/forms/repo_form.go

@@ -110,6 +110,7 @@ type RepoSettingForm struct {
 	// Advanced settings
 	EnableCode bool
 
+	DefaultWikiFormat  string
 	EnableWiki         bool
 	EnableExternalWiki bool
 	DefaultWikiBranch  string

services/wiki/wiki_test.go

@@ -279,7 +279,7 @@ func TestPrepareWikiFileName(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			webPath := UserTitleToWebPath("", tt.arg)
-			existence, newWikiPath, err := prepareGitPath(gitRepo, repo.DefaultWikiBranch, webPath)
+			existence, newWikiPath, err := prepareGitPath(gitRepo, repo.DefaultWikiBranch, webPath, "both")
 			if (err != nil) != tt.wantErr {
 				assert.NoError(t, err)
 				return
@@ -310,7 +310,7 @@ func TestPrepareWikiFileName_FirstPage(t *testing.T) {
 
 	defer gitRepo.Close()
 
-	existence, newWikiPath, err := prepareGitPath(gitRepo, "master", "Home")
+	existence, newWikiPath, err := prepareGitPath(gitRepo, "master", "Home", "both")
 	assert.False(t, existence)
 	assert.NoError(t, err)
 	assert.Equal(t, "Home.md", newWikiPath)