1 files changed, 58 insertions, 0 deletions
diff --git a/src/rebar_shell.erl b/src/rebar_shell.erl
new file mode 100644
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+++ b/src/rebar_shell.erl
@@ -0,0 +1,58 @@
+%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
+%% ex: ts=4 sw=4 et
+%% -------------------------------------------------------------------
+%%
+%% rebar: Erlang Build Tools
+%%
+%% Copyright (c) 2011 Trifork
+%%
+%% Permission is hereby granted, free of charge, to any person obtaining a copy
+%% of this software and associated documentation files (the "Software"), to deal
+%% in the Software without restriction, including without limitation the rights
+%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+%% copies of the Software, and to permit persons to whom the Software is
+%% furnished to do so, subject to the following conditions:
+%%
+%% The above copyright notice and this permission notice shall be included in
+%% all copies or substantial portions of the Software.
+%%
+%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+%% THE SOFTWARE.
+%% -------------------------------------------------------------------
+
+-module(rebar_shell).
+-author("Kresten Krab Thorup <krab@trifork.com>").
+
+-include("rebar.hrl").
+
+-export([shell/2]).
+
+shell(_Config, _AppFile) ->
+    %% backwards way to say we only want this executed
+    %% for the "top level" directory
+    case is_deps_dir(rebar_utils:get_cwd()) of
+        false ->
+            true = code:add_pathz(ebin_dir()),
+            user_drv:start(),
+            %% this call never returns (until user quits shell)
+            shell:server(false, false);
+        true ->
+            ok
+    end,
+    ok.
+
+ebin_dir() ->
+    filename:join(rebar_utils:get_cwd(), "ebin").
+
+is_deps_dir(Dir) ->
+    case lists:reverse(filename:split(Dir)) of
+        [_, "deps" | _] ->
+            true;
+        _V ->
+            false
+    end.