From d03a67f0f05ca39bc10e5fa8c30940b67d23dd1b Mon Sep 17 00:00:00 2001
From: Andrey Koleshko <ka8725@gmail.com>
Date: Thu, 31 Oct 2013 11:50:43 +0300
Subject: [PATCH] Pass Errno::ENOENT message to local exception

---
 lib/cocaine/command_line.rb       |  4 ++--
 spec/cocaine/command_line_spec.rb | 11 +++++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/lib/cocaine/command_line.rb b/lib/cocaine/command_line.rb
index b31100f..25bcc37 100644
--- a/lib/cocaine/command_line.rb
+++ b/lib/cocaine/command_line.rb
@@ -74,8 +74,8 @@ def run(interpolations = {})
         full_command = command(interpolations)
         log("#{colored("Command")} :: #{full_command}")
         output = execute(full_command)
-      rescue Errno::ENOENT
-        raise Cocaine::CommandNotFoundError
+      rescue Errno::ENOENT => e
+        raise Cocaine::CommandNotFoundError, e.message
       ensure
         @exit_status = $?.exitstatus if $?.respond_to?(:exitstatus)
       end
diff --git a/spec/cocaine/command_line_spec.rb b/spec/cocaine/command_line_spec.rb
index 2d066ea..b1ba8c1 100644
--- a/spec/cocaine/command_line_spec.rb
+++ b/spec/cocaine/command_line_spec.rb
@@ -312,5 +312,16 @@
       cmd.runner.class.should eq Cocaine::CommandLine::FakeRunner
     end
 
+    it 'passes error message to exception when command is failed with Errono::ENOENT' do
+      cmd = Cocaine::CommandLine.new('test command', '')
+      cmd.stubs(:execute).with('test command') do
+        raise Errno::ENOENT, 'fail message'
+      end
+      begin
+        cmd.run
+      rescue Cocaine::CommandNotFoundError => e
+        expect(e.message).to eq 'No such file or directory - fail message'
+      end
+    end
   end
 end