Merge pull request #1299 from ferd/hookable-escript

Hookable escript

rebar.config

@@ -12,6 +12,10 @@
         {cth_readable,        "1.2.3"},
         {eunit_formatters,    "0.3.1"}]}.
 
+{post_hooks, [{"(linux|darwin|solaris|freebsd|netbsd|openbsd)",
+               escriptize,
+               "cp $REBAR_BUILD_DIR/bin/rebar3 ./rebar3 && chmod u+x rebar3"}]}.
+
 {escript_name, rebar3}.
 {escript_emu_args, "%%! +sbtu +A0\n"}.
 %% escript_incl_extra is for internal rebar-private use only.

src/rebar_prv_escriptize.erl

@@ -61,8 +61,11 @@ desc() ->
         "the project's and its dependencies' BEAM files.".
 
 do(State) ->
+    Providers = rebar_state:providers(State),
+    Cwd = rebar_state:dir(State),
+    rebar_hooks:run_project_and_app_hooks(Cwd, pre, ?PROVIDER, Providers, State),
     ?INFO("Building escript...", []),
-    case rebar_state:get(State, escript_main_app, undefined) of
+    Res = case rebar_state:get(State, escript_main_app, undefined) of
         undefined ->
             case rebar_state:project_apps(State) of
                 [App] ->
@@ -78,7 +81,9 @@ do(State) ->
                 _ ->
                     ?PRV_ERROR({bad_name, Name})
             end
-    end.
+    end,
+    rebar_hooks:run_project_and_app_hooks(Cwd, post, ?PROVIDER, Providers, State),
+    Res.
 
 escriptize(State0, App) ->
     AppName = rebar_app_info:name(App),