kmx.io/kmxgit

diff --git a/lib/kmxgit_web/controllers/repository_controller.ex b/lib/kmxgit_web/controllers/repository_controller.ex
index 30599a8..35c7807 100644
--- a/lib/kmxgit_web/controllers/repository_controller.ex
+++ b/lib/kmxgit_web/controllers/repository_controller.ex
@@ -155,12 +155,13 @@ defmodule KmxgitWeb.RepositoryController do
         path2 = (path1 ++ rest1)
         |> Enum.reject(&(!&1 || &1 == ""))
         |> Enum.join("/")
-        {op, branch, path2}
+        path3 = if path2 != "", do: path2
+        {op, branch, path3}
       else
-        {nil, nil, ""}
+        {nil, nil, nil}
       end
     else
-      {nil, nil, ""}
+      {nil, nil, nil}
     end
   end
 
@@ -187,7 +188,7 @@ defmodule KmxgitWeb.RepositoryController do
       {:ok, branches} ->
         branches = branches
         |> Enum.map(fn branch ->
-          url = Routes.repository_path(conn, :show, Repository.owner_slug(repo), Repository.splat(repo) ++ ["_#{op}", branch] ++ (if path, do: String.split(path, "/")))
+          url = Routes.repository_path(conn, :show, Repository.owner_slug(repo), Repository.splat(repo) ++ ["_#{op || :tree}", branch] ++ (if path, do: String.split(path, "/"), else: []))
           {branch, url}
         end)
         %{git | branches: branches}
@@ -199,7 +200,7 @@ defmodule KmxgitWeb.RepositoryController do
   end
 
   defp git_put_files(git = %{valid: true}, repo, branch, subdir, conn) do
-    case GitManager.files(Repository.full_slug(repo), branch, subdir) do
+    case GitManager.files(Repository.full_slug(repo), branch, subdir || "") do
       {:ok, []} -> git
       {:ok, files} ->
         files = files
@@ -315,7 +316,7 @@ defmodule KmxgitWeb.RepositoryController do
     log = git_log(git, repo, branch, path)
     conn
     |> assign(:branch, branch)
-    |> assign(:branch_url, Routes.repository_path(conn, :show, Repository.owner_slug(repo), Repository.splat(repo, ["_log", branch] ++ (if path, do: String.split(path, "/")))))
+    |> assign(:branch_url, Routes.repository_path(conn, :show, Repository.owner_slug(repo), Repository.splat(repo, ["_log", branch] ++ (if path, do: String.split(path, "/"), else: []))))
     |> assign_current_organisation(org)
     |> assign(:current_repository, repo)
     |> assign(:git, git)
@@ -327,7 +328,7 @@ defmodule KmxgitWeb.RepositoryController do
   defp show_op(conn, :tree, branch, git, org, path, repo, user) do
     conn
     |> assign(:branch, branch)
-    |> assign(:branch_url, Routes.repository_path(conn, :show, Repository.owner_slug(repo), Repository.splat(repo, if branch do ["_tree", branch] else [] end)))
+    |> assign(:branch_url, Routes.repository_path(conn, :show, Repository.owner_slug(repo), Repository.splat(repo, ["_tree", branch] ++ (if path, do: String.split(path, "/"), else: []))))
     |> assign_current_organisation(org)
     |> assign(:current_repository, repo)
     |> assign(:git, git)
diff --git a/lib/kmxgit_web/templates/repository/log.html.heex b/lib/kmxgit_web/templates/repository/log.html.heex
index 9bc81a6..1417b33 100644
--- a/lib/kmxgit_web/templates/repository/log.html.heex
+++ b/lib/kmxgit_web/templates/repository/log.html.heex
@@ -8,7 +8,7 @@
 
   <div class="row">
     <div class="col">
-      <%= if @path && @path != "" do %>
+      <%= if @path do %>
         <hr/>
         <h2><%= link @path, to: Routes.repository_path(@conn, :show, Repository.owner_slug(@repo), Repository.splat(@repo, ["_tree", @branch] ++ String.split(@path, "/"))) %></h2>
       <% end %>
diff --git a/lib/kmxgit_web/templates/repository/show.html.heex b/lib/kmxgit_web/templates/repository/show.html.heex
index a01615c..27c38ae 100644
--- a/lib/kmxgit_web/templates/repository/show.html.heex
+++ b/lib/kmxgit_web/templates/repository/show.html.heex
@@ -11,8 +11,10 @@
 
   <div class="row">
     <div class="col col-12 col-md-7">
-      <hr/>
-      <h2><%= @path %></h2>
+      <%= if @path do %>
+        <hr/>
+        <h2><%= @path %></h2>
+      <% end %>
 
       <hr/>
       <%= render("show_branch.html", assigns) %>
diff --git a/lib/kmxgit_web/templates/repository/show_commit_message.html.heex b/lib/kmxgit_web/templates/repository/show_commit_message.html.heex
index 7a1ca8c..f574610 100644
--- a/lib/kmxgit_web/templates/repository/show_commit_message.html.heex
+++ b/lib/kmxgit_web/templates/repository/show_commit_message.html.heex
@@ -1,6 +1,6 @@
 <div class="log1">
   <span class="hash">
-    <%= link String.slice(@git.log1.hash, 0..8), to: Routes.repository_path(@conn, :show, Repository.owner_slug(@repo), Repository.splat(@repo, ["_log", @branch] ++ (if @path, do: @path |> String.split("/")))) <> "##{@git.log1.hash}" %>
+    <%= link String.slice(@git.log1.hash, 0..8), to: Routes.repository_path(@conn, :show, Repository.owner_slug(@repo), Repository.splat(@repo, ["_log", @branch] ++ (if @path, do: String.split(@path, "/"), else: []))) <> "##{@git.log1.hash}" %>
   </span>
   <span class="author">
     <%= @git.log1.author %>