Fix missing exit code on file execution.

Fixes #32

Author: qgadrian

README.md

@@ -38,7 +38,7 @@ Add to dependencies:
 
 ```elixir
 def deps do
-  [{:git_hooks, "~> 0.4.0", only: [:test, :dev], runtime: false}]
+  [{:git_hooks, "~> 0.4.1", only: [:test, :dev], runtime: false}]
 end
 ```
 

lib/mix/tasks/git_hooks/run.ex

@@ -93,6 +93,16 @@ defmodule Mix.Tasks.GitHooks.Run do
       into: Config.io_stream(git_hook_type),
       env: env_vars
     )
+    |> case do
+      {_result, 0} ->
+        Printer.success("`#{script_file}` was successful")
+
+      {result, _} ->
+        if !Config.verbose?(git_hook_type), do: IO.puts(result)
+
+        Printer.error("`#{script_file}` execution failed")
+        error_exit()
+    end
   end
 
   defp run_task({:cmd, command}, git_hook_type, git_hook_args) do

mix.exs

@@ -3,7 +3,7 @@ defmodule GitHooks.MixProject do
 
   use Mix.Project
 
-  @version "0.4.0"
+  @version "0.4.1"
 
   def project do
     [

priv/test_script_fail

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+echo "Failed"
+exit 1

test/mix/tasks/git_hooks/run_test.exs

@@ -108,5 +108,19 @@ defmodule Mix.Tasks.RunTest do
 
       assert capture_io(fn -> Run.run(["pre-commit"]) end) =~ "test-value"
     end
+
+    test "when the file returns exits with != 0 the hook exits with != 0" do
+      env = [{"TEST", "test-value"}]
+
+      put_git_hook_config(:pre_commit,
+        tasks: [{:file, "priv/test_script_fail", env: env}],
+        verbose: true
+      )
+
+      capture_io(fn ->
+        # Run.run(["pre-commit"])
+        assert catch_exit(Run.run(["pre-commit"])) == 1
+      end) =~ "Failed"
+    end
   end
 end