push: only say we are trying to push obsmarkers when we actually try

The message was issued unconditionally. Move it inside the `if` that actually
tries to push obsmarkers.

mercurial/exchange.py

@@ -789,11 +789,11 b' def _pushobsolete(pushop):'
     """utility function to push obsolete markers to a remote"""
     if 'obsmarkers' in pushop.stepsdone:
         return
-    pushop.ui.debug('try to push obsolete markers to remote\n')
     repo = pushop.repo
     remote = pushop.remote
     pushop.stepsdone.add('obsmarkers')
     if pushop.outobsmarkers:
+        pushop.ui.debug('try to push obsolete markers to remote\n')
         rslts = []
         remotedata = obsolete._pushkeyescape(sorted(pushop.outobsmarkers))
         for key in sorted(remotedata, reverse=True):

tests/test-acl.t

@@ -132,7 +132,6 b' Extension disabled for lack of a hook'
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
   listing keys for "phases"
-  try to push obsolete markers to remote
   repository tip rolled back to revision 0 (undo push)
   0:6675d58eff77
   
@@ -198,7 +197,6 b' Extension disabled for lack of acl.sourc'
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
   listing keys for "phases"
-  try to push obsolete markers to remote
   repository tip rolled back to revision 0 (undo push)
   0:6675d58eff77
   
@@ -275,7 +273,6 b' No [acl.allow]/[acl.deny]'
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
   listing keys for "phases"
-  try to push obsolete markers to remote
   repository tip rolled back to revision 0 (undo push)
   0:6675d58eff77
   
@@ -766,7 +763,6 b' barney is allowed everywhere'
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
   listing keys for "phases"
-  try to push obsolete markers to remote
   repository tip rolled back to revision 0 (undo push)
   0:6675d58eff77
   
@@ -1085,7 +1081,6 b' acl.config can set only [acl.allow]/[acl'
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
   listing keys for "phases"
-  try to push obsolete markers to remote
   repository tip rolled back to revision 0 (undo push)
   0:6675d58eff77
   
@@ -1172,7 +1167,6 b' fred is always allowed'
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
   listing keys for "phases"
-  try to push obsolete markers to remote
   repository tip rolled back to revision 0 (undo push)
   0:6675d58eff77
   
@@ -1332,7 +1326,6 b' OS-level groups'
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 1 parts total
   listing keys for "phases"
-  try to push obsolete markers to remote
   repository tip rolled back to revision 0 (undo push)
   0:6675d58eff77
   
@@ -1539,7 +1532,6 b' No branch acls specified'
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 2 parts total
   listing keys for "phases"
-  try to push obsolete markers to remote
   repository tip rolled back to revision 2 (undo push)
   2:fb35475503ef
   
@@ -1836,7 +1828,6 b' Branch acl allow other'
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 2 parts total
   listing keys for "phases"
-  try to push obsolete markers to remote
   repository tip rolled back to revision 2 (undo push)
   2:fb35475503ef
   
@@ -1930,7 +1921,6 b' push foobar into the remote'
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 2 parts total
   listing keys for "phases"
-  try to push obsolete markers to remote
   repository tip rolled back to revision 2 (undo push)
   2:fb35475503ef
   
@@ -2092,7 +2082,6 b" User 'astro' must not be denied"
   bundle2-input-part: "reply:pushkey" (params: 0 advisory) supported
   bundle2-input-bundle: 2 parts total
   listing keys for "phases"
-  try to push obsolete markers to remote
   repository tip rolled back to revision 2 (undo push)
   2:fb35475503ef