tcms-junit.xml-plugin will now print TestRun ID on the terminal

this makes it easier to chain multiple invocations of this command
if you want to add multiple results into the same TR

tcms_junit_plugin/__init__.py

@@ -11,6 +11,9 @@ def __init__(self):
         self.backend = Backend(prefix='[junit.xml] ')
 
     def parse(self, junit_xml, progress_cb=None):
+        """
+            Parse the input file and return the TestRun ID.
+        """
         self.backend.configure()
 
         xml = JUnitXml.fromfile(junit_xml)
@@ -61,10 +64,13 @@ def parse(self, junit_xml, progress_cb=None):
             if progress_cb:
                 progress_cb()
 
+        return self.backend.run_id
+
 
 def main(argv):
     if len(argv) < 2:
         raise Exception("USAGE: %s junit.xml" % argv[0])
 
     plugin = Plugin()
-    plugin.parse(argv[1])
+    tr_id = plugin.parse(argv[1])
+    print(tr_id)

tests/bin/make-junit.xml

@@ -17,7 +17,8 @@ export TCMS_BUILD="$TRAVIS_BUILD_NUMBER-$(echo $TRAVIS_COMMIT | cut -c1-7)"
 
 
 nosetests --with-xunit
-./tcms-junit.xml-plugin nosetests.xml
+TCMS_RUN_ID=`./tcms-junit.xml-plugin nosetests.xml`
 
 # parse additional data files collected from issues
+# and add to TestRun created in the previous step
 ./tcms-junit.xml-plugin tests/data/9.xml