Only try to lookup files and folders in the releases path on servers …

…that have code deployed

lib/capistrano/recipes/deploy.rb

@@ -51,13 +51,13 @@ def _cset(name, *args, &block)
 _cset(:current_path)      { File.join(deploy_to, current_dir) }
 _cset(:release_path)      { File.join(releases_path, release_name) }
 
-_cset(:releases)          { capture("ls -x #{releases_path}").split.sort }
+_cset(:releases)          { capture("ls -x #{releases_path}", :except => { :no_release => true }).split.sort }
 _cset(:current_release)   { File.join(releases_path, releases.last) }
 _cset(:previous_release)  { releases.length > 1 ? File.join(releases_path, releases[-2]) : nil }
 
-_cset(:current_revision)  { capture("cat #{current_path}/REVISION").chomp }
-_cset(:latest_revision)   { capture("cat #{current_release}/REVISION").chomp }
-_cset(:previous_revision) { capture("cat #{previous_release}/REVISION").chomp }
+_cset(:current_revision)  { capture("cat #{current_path}/REVISION",     :except => { :no_release => true }).chomp }
+_cset(:latest_revision)   { capture("cat #{current_release}/REVISION",  :except => { :no_release => true }).chomp }
+_cset(:previous_revision) { capture("cat #{previous_release}/REVISION", :except => { :no_release => true }).chomp if previous_release }
 
 _cset(:run_method)        { fetch(:use_sudo, true) ? :sudo : :run }