From 1467cd61fd7445bf3df6240eceb3e3cd5cbd470b Mon Sep 17 00:00:00 2001
From: Tristan Sloughter <t@crashfast.com>
Date: Sun, 12 May 2019 14:11:25 -0600
Subject: add support for usage message after template is done

---
 src/rebar_templater.erl | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'src/rebar_templater.erl')

diff --git a/src/rebar_templater.erl b/src/rebar_templater.erl
index bc79db0..f74b12f 100644
--- a/src/rebar_templater.erl
+++ b/src/rebar_templater.erl
@@ -162,7 +162,14 @@ create({Template, Type, File}, Files, UserVars, Force, State) ->
     Vars = drop_var_docs(override_vars(UserVars, get_template_vars(TemplateTerms, State))),
     maybe_warn_about_name(Vars),
     TemplateCwd = filename:dirname(File),
-    execute_template(TemplateTerms, Files, {Template, Type, TemplateCwd}, Vars, Force).
+    Result = execute_template(TemplateTerms, Files, {Template, Type, TemplateCwd}, Vars, Force),
+    maybe_print_final_message(proplists:get_value(message, TemplateTerms, undefined), Vars),
+    Result.
+
+maybe_print_final_message(undefined, _) ->
+    ok;
+maybe_print_final_message(Message, Values) ->
+    io:format("~s~n", [render(Message, Values)]).
 
 maybe_warn_about_name(Vars) ->
     Name = proplists:get_value(name, Vars, "valid"),
@@ -198,6 +205,9 @@ execute_template([{description, _} | Terms], Files, Template, Vars, Force) ->
 %% We can't execute variables
 execute_template([{variables, _} | Terms], Files, Template, Vars, Force) ->
     execute_template(Terms, Files, Template, Vars, Force);
+%% We can't execute message
+execute_template([{message, _} | Terms], Files, Template, Vars, Force) ->
+    execute_template(Terms, Files, Template, Vars, Force);
 %% Create a directory
 execute_template([{dir, Path} | Terms], Files, Template, Vars, Force) ->
     ?DEBUG("Creating directory ~p", [Path]),
-- 
cgit v1.1