--- a/frontends/src/jp/cmd_merge_request.py	Sat Mar 31 18:21:56 2018 +0200
+++ b/frontends/src/jp/cmd_merge_request.py	Sat Mar 31 18:23:06 2018 +0200
@@ -22,6 +22,7 @@
 from sat.core.i18n import _
 from sat_frontends.jp.constants import Const as C
 from sat_frontends.jp import xmlui_manager
+from sat_frontends.jp import common
 from functools import partial
 import os.path
 
@@ -31,12 +32,15 @@
 class Set(base.CommandBase):
 
     def __init__(self, host):
-        base.CommandBase.__init__(self, host, 'set', use_pubsub=True, help=_(u'publish or update a merge request'))
+        base.CommandBase.__init__(self, host, 'set', use_pubsub=True,
+                                  pubsub_defaults = {u'service': _(u'auto'), u'node': _(u'auto')},
+                                  help=_(u'publish or update a merge request'))
         self.need_loop=True
 
     def add_parser_options(self):
         self.parser.add_argument("-i", "--item", type=base.unicode_decoder, default=u'', help=_(u"id or URL of the request to update, or nothing for a new one"))
         self.parser.add_argument("-r", "--repository", metavar="PATH", type=base.unicode_decoder, default=u'.', help=_(u"path of the repository (DEFAULT: current directory)"))
+        self.parser.add_argument("-f", "--force", action="store_true", help=_(u"publish merge request without confirmation"))
 
     def mergeRequestSetCb(self, published_id):
         if published_id:
@@ -45,13 +49,12 @@
             self.disp(u"Merge request published")
         self.host.quit(C.EXIT_OK)
 
-    def start(self):
-        repository = os.path.expanduser(os.path.abspath(self.args.repository))
+    def sendRequest(self):
         extra = {'update': 'true'} if self.args.item else {}
         self.host.bridge.mergeRequestSet(
             self.args.service,
             self.args.node,
-            repository,
+            self.repository,
             u'auto',
             {},
             u'',
@@ -63,6 +66,17 @@
                             msg=_(u"can't create merge request: {}"),
                             exit_code=C.EXIT_BRIDGE_ERRBACK))
 
+    def askConfirmation(self):
+        if not self.args.force:
+            message = _(u"You are going to publish your changes to service [{service}], are you sure ?").format(
+                service=self.args.service)
+            self.host.confirmOrQuit(message, _(u"merge request publication cancelled"))
+        self.sendRequest()
+
+    def start(self):
+        self.repository = os.path.expanduser(os.path.abspath(self.args.repository))
+        common.URIFinder(self, self.repository, 'merge requests', self.askConfirmation)
+
 
 class Get(base.CommandBase):
 

--- a/frontends/src/jp/common.py	Sat Mar 31 18:21:56 2018 +0200
+++ b/frontends/src/jp/common.py	Sat Mar 31 18:23:06 2018 +0200
@@ -22,9 +22,11 @@
 from sat.core import exceptions
 from sat.tools.common import regex
 from sat.tools.common.ansi import ANSI as A
+from sat.tools.common import uri as xmpp_uri
 from sat.tools import config
 from ConfigParser import NoSectionError, NoOptionError
 from collections import namedtuple
+from functools import partial
 import json
 import os
 import os.path
@@ -663,3 +665,37 @@
         kwargs_ = {'col_sep':u' ', 'head_line_sep':u' ', 'show_borders':False}
         kwargs_.update(kwargs)
         return self.display(**kwargs_)
+
+
+class URIFinder(object):
+    """Helper class to find URIs in well-known locations"""
+
+    def __init__(self, command, path, key, callback):
+        if not command.args.service and not command.args.node:
+            self.host = command.host
+            self.args = command.args
+            self.key = key
+            self.callback = callback
+            self.host.bridge.URIFind(path,
+                                     [key],
+                                     callback=self.URIFindCb,
+                                     errback=partial(command.errback,
+                                                     msg=_(u"can't find " + key + u" URI: {}"),
+                                                     exit_code=C.EXIT_BRIDGE_ERRBACK))
+        else:
+            callback()
+
+    def URIFindCb(self, uri_data):
+        try:
+            uri = uri_data[self.key]
+        except KeyError:
+            self.host.disp(_(u"No {key} URI specified for this project, please specify service and node").format(key=self.key), error=True)
+            self.host.quit(C.EXIT_NOT_FOUND)
+        parsed_uri = xmpp_uri.parseXMPPUri(uri)
+        try:
+            self.args.service = parsed_uri[u'path']
+            self.args.node = parsed_uri[u'node']
+        except KeyError:
+            self.host.disp(_(u"Invalid URI found: {uri}").format(uri=uri), error=True)
+            self.host.quit(C.EXIT_DATA_ERROR)
+        self.callback()