CI: change git and ssh setup

We want to move the git and ssh setup stuff outside the YAML. It should be already done on the runners (either during runner deployment, or in the pre_clone_script for runners with autoscaling).

CI/cdash_handler.py

@@ -245,14 +245,14 @@ TODO :
 
 """
 if __name__ == "__main__":
-  if ( len(sys.argv) < 5 ):
-    print("Usage : "+sys.argv[0]+" commit_sha1 project_id build_directory token")
+  if ( len(sys.argv) < 6 ):
+    print("Usage : "+sys.argv[0]+" commit_sha1 project_id build_directory token ref_name")
     sys.exit()
   if trace:
     print (sys.argv)
   handler = Handler()
   build_dir = os.path.join( sys.argv[3] , "build/")
-  # build_dir = sys.argv[3]
+  ref_name = sys.argv[5]
   if trace:
     print("build_dir is: " + build_dir)
   handler.build_dir = build_dir
@@ -271,7 +271,7 @@ if __name__ == "__main__":
   gitlab_url = "https://gitlab.orfeo-toolbox.org/api/v4/projects/"
   gitlab_url += sys.argv[2] + "/statuses/" + sys.argv[1]
   params = urllib.parse.urlencode({'name':'cdash:' + handler.site , 'state': state ,\
-   'target_url' : cdash_url , 'description' : error })
+   'target_url' : cdash_url , 'description' : error , 'ref' : ref_name })
   gitlab_request = urllib.request.Request(gitlab_url)
   gitlab_request.add_header('PRIVATE-TOKEN' , sys.argv[4] )
   res = urllib.request.urlopen(gitlab_request, data=params.encode('ascii'))