Ignore missing repositories in create-hooks

When bin/create-hooks is run against a live GitLab server, there is
a possibility of race conditions when a user deletes one of their
repositories after bin/create-hooks found it. With this change,
bin/create-hooks will ignore missing file errors.

CHANGELOG

@@ -3,6 +3,7 @@ v2.0.0
   - Replace raise with abort when checking path to prevent path exposure
   - Handle invalid number of arguments on remote commands
   - Replace update hook with pre-receive and post-receive hooks. 
+  - Ignore missing repositories in create-hooks
 
 v1.9.7
   - Increased test coverage

bin/create-hooks

@@ -8,5 +8,9 @@ require_relative '../lib/gitlab_init'
 require File.join(ROOT_PATH, 'lib', 'gitlab_projects')
 
 Dir["#{GitlabConfig.new.repos_path}/*/*.git"].each do |repo|
-  GitlabProjects.create_hooks(repo)
+  begin
+    GitlabProjects.create_hooks(repo)
+  rescue Errno::ENOENT
+    # The user must have deleted their repository. Ignore.
+  end
 end