#2114 External URL for wiki

routers/repo/http.go

@@ -496,6 +496,7 @@ func updateServerInfo(gitBinPath, dir string) []byte {
 	return gitCommand(gitBinPath, dir, args...)
 }
 
+// FIXME: use process module
 func gitCommand(gitBinPath, dir string, args ...string) []byte {
 	command := exec.Command(gitBinPath, args...)
 	command.Dir = dir

routers/repo/setting.go

@@ -125,6 +125,8 @@ func SettingsPost(ctx *middleware.Context, form auth.RepoSettingForm) {
 
 	case "advanced":
 		repo.EnableWiki = form.EnableWiki
+		repo.EnableExternalWiki = form.EnableExternalWiki
+		repo.ExternalWikiURL = form.ExternalWikiURL
 		repo.EnableIssues = form.EnableIssues
 		repo.EnableExternalTracker = form.EnableExternalTracker
 		repo.ExternalTrackerFormat = form.TrackerURLFormat

routers/repo/wiki.go

@@ -27,6 +27,12 @@ const (
 func MustEnableWiki(ctx *middleware.Context) {
 	if !ctx.Repo.Repository.EnableWiki {
 		ctx.Handle(404, "MustEnableWiki", nil)
+		return
+	}
+
+	if ctx.Repo.Repository.EnableExternalWiki {
+		ctx.Redirect(ctx.Repo.Repository.ExternalWikiURL)
+		return
 	}
 }