Version bump to 2.5.17

CHANGELOG

@@ -1,4 +1,18 @@
-== 2.5.15 / 14 Febuary 2010
+== 2.5.18 / March 14, 2010
+
+Small fix for rolling back if a shell scripts exits non-zero; enabled a rollback if git (or other) externals fail during the deploy.
+
+  * #151 check return code status of system command to create local copy and rollback if not 0 (David King)
+
+== 2.5.17 / February 27, 2010
+
+Various small bug fixes.
+
+== 2.5.16 / February 14, 2010
+
+Fixed a small regression in 2.5.15
+
+== 2.5.15 / 14 February 2010
 
 Fixes a feature request not to overwrite roles when using the ROLES environmental variable.
 

lib/capistrano/recipes/deploy/strategy/copy.rb

@@ -53,6 +53,11 @@ module Capistrano
               system(source.checkout(revision, copy_cache))
             end
 
+            # Check the return code of last system command and rollback if not 0
+            unless $? == 0
+              raise Capistrano::Error, "shell command failed with return code #{$?}"
+            end
+
             logger.debug "copying cache to deployment staging area #{destination}"
             Dir.chdir(copy_cache) do
               FileUtils.mkdir_p(destination)