Merge branch 'remove-env-set' into 'master'

 Unset GL_ID and GL_PROTOCOL immediately Neither other code executing in the hook process nor subprocesses of the hook process need access to the GL_ID / GL_PROTOCOL variables so we can just unset them the moment we fetch them. See merge request !73

Author: Robert Speicher

bin/gitlab-shell

@@ -6,7 +6,7 @@ unless ENV['SSH_CONNECTION']
 end
 
 key_id = /key-[0-9]+/.match(ARGV.join).to_s
-original_cmd = ENV['SSH_ORIGINAL_COMMAND']
+original_cmd = ENV.delete('SSH_ORIGINAL_COMMAND')
 
 require_relative '../lib/gitlab_init'
 

hooks/post-receive

@@ -4,12 +4,9 @@
 # will be processed properly.
 
 refs = $stdin.read
-key_id = ENV['GL_ID']
+key_id = ENV.delete('GL_ID')
 repo_path = Dir.pwd
 
-# reset GL_ID env since we already got its value
-ENV['GL_ID'] = nil
-
 require_relative '../lib/gitlab_custom_hook'
 require_relative '../lib/gitlab_post_receive'
 

hooks/pre-receive

@@ -4,8 +4,8 @@
 # will be processed properly.
 
 refs = $stdin.read
-key_id  = ENV['GL_ID']
-protocol = ENV['GL_PROTOCOL']
+key_id = ENV.delete('GL_ID')
+protocol = ENV.delete('GL_PROTOCOL')
 repo_path = Dir.pwd
 
 require_relative '../lib/gitlab_custom_hook'
@@ -15,8 +15,5 @@ if GitlabAccess.new(repo_path, key_id, refs, protocol).exec &&
  GitlabCustomHook.new.pre_receive(refs, repo_path)
  exit 0
 else
- # reset GL_ID env since we stop git push here
- ENV['GL_ID'] = nil
- 
  exit 1
 end