--- a/sat_frontends/jp/cmd_file.py	Fri May 03 13:05:01 2019 +0200
+++ b/sat_frontends/jp/cmd_file.py	Fri May 03 13:05:47 2019 +0200
@@ -24,6 +24,7 @@
 import os.path
 import tarfile
 from sat.core.i18n import _
+from sat.tools.common import data_format
 from sat_frontends.jp.constants import Const as C
 from sat_frontends.jp import common
 from sat_frontends.tools import jid
@@ -737,6 +738,12 @@
             help=_(u"type of the repository"),
         )
         self.parser.add_argument(
+            "-T",
+            "--thumbnail",
+            type=base.unicode_decoder,
+            help=_(u"https URL of a image to use as thumbnail"),
+        )
+        self.parser.add_argument(
             "service",
             type=base.unicode_decoder,
             help=_(u"jid of the file sharing service hosting the repository"),
@@ -754,7 +761,13 @@
         self.host.quit()
 
     def start(self):
-        self.path = os.path.abspath(self.args.path) if self.args.path else u""
+        self.path = os.path.normpath(self.args.path) if self.args.path else u""
+        extra = {}
+        if self.args.thumbnail is not None:
+            if not self.args.thumbnail.startswith(u'http'):
+                self.parser.error(_(u"only http(s) links are allowed with --thumbnail"))
+            else:
+                extra[u'thumb_url'] = self.args.thumbnail
         self.host.bridge.FISInvite(
             self.args.jid,
             self.args.service,
@@ -762,6 +775,7 @@
             self.args.namespace,
             self.path,
             self.args.name,
+            data_format.serialise(extra),
             self.profile,
             callback=self._FISInviteCb,
             errback=partial(