code unit get its sub path as every other unit

Author: 6543

models/unit/unit.go

@@ -206,7 +206,7 @@ var (
 	UnitCode = Unit{
 		TypeCode,
 		"repo.code",
-		"/",
+		"/code",
 		"repo.code.desc",
 		0,
 		perm.AccessModeOwner,

routers/web/repo/view.go

@@ -773,8 +773,8 @@ func checkCitationFile(ctx *context.Context, entry *git.TreeEntry) {
 	}
 }
 
-// Home render repository home page
-func Home(ctx *context.Context) {
+// HomeWithFeedCheck render repository home page or return feed
+func HomeWithFeedCheck(ctx *context.Context) {
 	if setting.Other.EnableFeed {
 		isFeed, _, showFeedType := feed.GetFeedType(ctx.PathParam(":reponame"), ctx.Req)
 		if isFeed {
@@ -790,6 +790,15 @@ func Home(ctx *context.Context) {
 		}
 	}
 
+	defaultURI := ctx.Repo.Repository.MustGetUnit(ctx, ctx.Repo.Repository.DefaultUnit).Unit().URI
+	if defaultURI == "/" { // support legacy code units
+		defaultURI = "/code"
+	}
+	ctx.Redirect(ctx.Repo.RepoLink + defaultURI)
+}
+
+// Home render repository home page
+func Home(ctx *context.Context) {
 	checkHomeCodeViewable(ctx)
 	if ctx.Written() {
 		return

routers/web/web.go

@@ -1140,7 +1140,8 @@ func registerRoutes(m *web.Router) {
 	// end "/{username}/{reponame}/settings"
 
 	// user/org home, including rss feeds
-	m.Get("/{username}/{reponame}", ignSignIn, context.RepoAssignment, context.RepoRef(), repo.SetEditorconfigIfExists, repo.Home)
+	m.Get("/{username}/{reponame}", ignSignIn, context.RepoAssignment, context.RepoRef(), repo.SetEditorconfigIfExists, repo.HomeWithFeedCheck)
+	m.Get("/{username}/{reponame}/code", ignSignIn, context.RepoAssignment, context.RepoRef(), repo.SetEditorconfigIfExists, repo.Home)
 
 	// TODO: maybe it should relax the permission to allow "any access"
 	m.Post("/{username}/{reponame}/markup", ignSignIn, context.RepoAssignment, context.RequireRepoReaderOr(unit.TypeCode, unit.TypeIssues, unit.TypePullRequests, unit.TypeReleases, unit.TypeWiki), web.Bind(structs.MarkupOption{}), misc.Markup)