kmx.io/kmxgit

diff --git a/lib/kmxgit/git_manager.ex b/lib/kmxgit/git_manager.ex
index e6a2d3b..0e75a63 100644
--- a/lib/kmxgit/git_manager.ex
+++ b/lib/kmxgit/git_manager.ex
@@ -280,4 +280,13 @@ defmodule Kmxgit.GitManager do
       _ -> {:error, out}
     end
   end
+
+  def disk_usage(repo) do
+    dir = git_dir(repo)
+    {out, status} = System.cmd("du", ["-ms", dir], stderr_to_stdout: true)
+    case status do
+      0 -> {:ok, Integer.parse(out)}
+      _ -> {:error, out}
+    end
+  end
 end
diff --git a/lib/kmxgit_web/controllers/repository_controller.ex b/lib/kmxgit_web/controllers/repository_controller.ex
index ed67804..0b6d6c4 100644
--- a/lib/kmxgit_web/controllers/repository_controller.ex
+++ b/lib/kmxgit_web/controllers/repository_controller.ex
@@ -405,6 +405,7 @@ defmodule KmxgitWeb.RepositoryController do
     |> render("tag.html")
   end
   defp show_op(conn, :tree, %{tree: tree, git: git, org: org, path: path, repo: repo, user: user}) do
+    {:ok, {repo_size, _}} = GitManager.disk_usage(Repository.full_slug(repo))
     conn
     |> assign(:tree, tree)
     |> assign(:tree_url, tree && Routes.repository_path(conn, :show, Repository.owner_slug(repo), Repository.splat(repo, ["_tree", tree] ++ (if path, do: String.split(path, "/"), else: []))))
@@ -412,6 +413,7 @@ defmodule KmxgitWeb.RepositoryController do
     |> assign(:current_repository, repo)
     |> assign(:git, git)
     |> assign(:repo, repo)
+    |> assign(:repo_size, repo_size)
     |> assign(:members, Repository.members(repo))
     |> assign(:owner, org || user)
     |> assign(:path, path)
diff --git a/lib/kmxgit_web/templates/repository/show_properties.html.heex b/lib/kmxgit_web/templates/repository/show_properties.html.heex
index c0b4312..0bbe98e 100644
--- a/lib/kmxgit_web/templates/repository/show_properties.html.heex
+++ b/lib/kmxgit_web/templates/repository/show_properties.html.heex
@@ -63,5 +63,9 @@
         </ul>
       </td>
     </tr>
-  <% end %>      
+  <% end %>
+  <tr>
+    <th><%= gettext("Disk usage") %></th>
+    <td><%= FileSize.new(@repo_size, :mb) |> FileSize.to_string() %></td>
+  </tr>
 </table>
diff --git a/mix.exs b/mix.exs
index 0d22d46..c26da94 100644
--- a/mix.exs
+++ b/mix.exs
@@ -39,6 +39,7 @@ defmodule Kmxgit.MixProject do
       {:ecto_sql, "~> 3.6"},
       {:elixir_auth_google, "~> 1.6.2"},
       {:esbuild, "~> 0.2", runtime: Mix.env() == :dev},
+      {:file_size, "~> 3.0"},
       {:floki, ">= 0.30.0", only: :test},
       {:gen_smtp, "~> 1.1"},
       {:gettext, "~> 0.18"},
diff --git a/mix.lock b/mix.lock
index faf8b5c..64bf5c6 100644
--- a/mix.lock
+++ b/mix.lock
@@ -17,6 +17,7 @@
   "elixir_auth_google": {:hex, :elixir_auth_google, "1.6.2", "bef167fc8b32d3e30bf39217a40508af538f5f1cca987239e3a67f4efa74d7a3", [:mix], [{:httpoison, "~> 1.8.0", [hex: :httpoison, repo: "hexpm", optional: false]}, {:jason, "~> 1.2", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "deafaf9ca84bd900ab55a192c0cd0ca2301107c7cbcc9c35a0c89083bb7d2ef4"},
   "elixir_make": {:hex, :elixir_make, "0.6.3", "bc07d53221216838d79e03a8019d0839786703129599e9619f4ab74c8c096eac", [:mix], [], "hexpm", "f5cbd651c5678bcaabdbb7857658ee106b12509cd976c2c2fca99688e1daf716"},
   "esbuild": {:hex, :esbuild, "0.4.0", "9f17db148aead4cf1e6e6a584214357287a93407b5fb51a031f122b61385d4c2", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}], "hexpm", "b61e4e6b92ffe45e4ee4755a22de6211a67c67987dc02afb35a425a0add1d447"},
+  "file_size": {:hex, :file_size, "3.0.1", "ad447a69442a82fc701765a73992d7b1110136fa0d4a9d3190ea685d60034dcd", [:mix], [{:decimal, ">= 1.0.0 and < 3.0.0", [hex: :decimal, repo: "hexpm", optional: true]}, {:number, "~> 1.0", [hex: :number, repo: "hexpm", optional: false]}], "hexpm", "64dd665bc37920480c249785788265f5d42e98830d757c6a477b3246703b8e20"},
   "file_system": {:hex, :file_system, "0.2.10", "fb082005a9cd1711c05b5248710f8826b02d7d1784e7c3451f9c1231d4fc162d", [:mix], [], "hexpm", "41195edbfb562a593726eda3b3e8b103a309b733ad25f3d642ba49696bf715dc"},
   "floki": {:hex, :floki, "0.32.0", "f915dc15258bc997d49be1f5ef7d3992f8834d6f5695270acad17b41f5bcc8e2", [:mix], [{:html_entities, "~> 0.5.0", [hex: :html_entities, repo: "hexpm", optional: false]}], "hexpm", "1c5a91cae1fd8931c26a4826b5e2372c284813904c8bacb468b5de39c7ececbd"},
   "gen_smtp": {:hex, :gen_smtp, "1.1.1", "bf9303c31735100631b1d708d629e4c65944319d1143b5c9952054f4a1311d85", [:rebar3], [{:hut, "1.3.0", [hex: :hut, repo: "hexpm", optional: false]}, {:ranch, ">= 1.7.0", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "51bc50cc017efd4a4248cbc39ea30fb60efa7d4a49688986fafad84434ff9ab7"},
@@ -32,6 +33,7 @@
   "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], [], "hexpm", "69b09adddc4f74a40716ae54d140f93beb0fb8978d8636eaded0c31b6f099f16"},
   "mime": {:hex, :mime, "2.0.2", "0b9e1a4c840eafb68d820b0e2158ef5c49385d17fb36855ac6e7e087d4b1dcc5", [:mix], [], "hexpm", "e6a3f76b4c277739e36c2e21a2c640778ba4c3846189d5ab19f97f126df5f9b7"},
   "mimerl": {:hex, :mimerl, "1.2.0", "67e2d3f571088d5cfd3e550c383094b47159f3eee8ffa08e64106cdf5e981be3", [:rebar3], [], "hexpm", "f278585650aa581986264638ebf698f8bb19df297f66ad91b18910dfc6e19323"},
+  "number": {:hex, :number, "1.0.3", "932c8a2d478a181c624138958ca88a78070332191b8061717270d939778c9857", [:mix], [{:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm", "dd397bbc096b2ca965a6a430126cc9cf7b9ef7421130def69bcf572232ca0f18"},
   "parse_trans": {:hex, :parse_trans, "3.3.1", "16328ab840cc09919bd10dab29e431da3af9e9e7e7e6f0089dd5a2d2820011d8", [:rebar3], [], "hexpm", "07cd9577885f56362d414e8c4c4e6bdf10d43a8767abb92d24cbe8b24c54888b"},
   "phoenix": {:hex, :phoenix, "1.6.6", "281c8ce8dccc9f60607346b72cdfc597c3dde134dd9df28dff08282f0b751754", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 2.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:phoenix_view, "~> 1.0", [hex: :phoenix_view, repo: "hexpm", optional: false]}, {:plug, "~> 1.10", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 2.2", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:plug_crypto, "~> 1.2", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "807bd646e64cd9dc83db016199715faba72758e6db1de0707eef0a2da4924364"},
   "phoenix_ecto": {:hex, :phoenix_ecto, "4.4.0", "0672ed4e4808b3fbed494dded89958e22fb882de47a97634c0b13e7b0b5f7720", [:mix], [{:ecto, "~> 3.3", [hex: :ecto, repo: "hexpm", optional: false]}, {:phoenix_html, "~> 2.14.2 or ~> 3.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:plug, "~> 1.9", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "09864e558ed31ee00bd48fcc1d4fc58ae9678c9e81649075431e69dbabb43cc1"},