AUTHORS file added

* AUTHORS file generator fixed to impove AUTHORS file generation
* Co-Authored-By is now correctly supported

Change-Id: Ifc4226b2dcc391db790391ce10a7f15680c39db3

.gitignore

@@ -31,7 +31,6 @@ doc/build
 .coverage
 nosetests.xml
 pylint-report.txt
-AUTHORS
 ChangeLog
 cscope.out
 horizon

.mailmap

@@ -0,0 +1,3 @@
+# Format is:
+# <preferred e-mail> <other e-mail 1>
+# <preferred e-mail> <other e-mail 2>

AUTHORS

@@ -0,0 +1,4 @@
+Alexander Kuznetsov <akuznetsov@mirantis.com>
+Dmitry Mescheryakov <dmescheryakov@mirantis.com>
+Nikita Konovalov <nkonovalov@mirantis.com>
+Sergey Lukjanov <slukjanov@mirantis.com>

savannadashboard/openstack/common/setup.py

@@ -160,7 +160,8 @@ def write_git_changelog():
 
 def generate_authors():
     """Create AUTHORS file using git commits."""
-    jenkins_email = 'jenkins@review.(openstack|stackforge).org'
+    jenkins_email = ('(jenkins@review.(openstack|stackforge).org'
+                     '|openstack-infra@lists.openstack.org)')
     old_authors = 'AUTHORS.in'
     new_authors = 'AUTHORS'
     git_dir = _get_git_directory()
@@ -175,10 +176,11 @@ def generate_authors():
                           " log | grep -i Co-authored-by: | sort -u")
             signed_entries = _run_shell_command(signed_cmd)
             if signed_entries:
-                new_entries = "\n".join(
-                    [signed.split(":", 1)[1].strip()
-                     for signed in signed_entries.split("\n") if signed])
-                changelog = "\n".join((changelog, new_entries))
+                new_entries = [signed.split(":", 1)[1].strip()
+                     for signed in signed_entries.split("\n") if signed]
+                for new_entry in new_entries:
+                    if new_entry not in changelog:
+                        changelog += "\n" + new_entry
             mailmap = _parse_git_mailmap(git_dir)
             with open(new_authors, 'w') as new_authors_fh:
                 new_authors_fh.write(canonicalize_emails(changelog, mailmap))