git cl: now fully use project~changenum when querying Gerrit.

R=ehmaldonado

Bug: 876910
Change-Id: Ibc631bf049440d158de757da0a225ed28f892891
Reviewed-on: https://chromium-review.googlesource.com/1194314Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>

git_cl.py

@@ -2604,20 +2604,23 @@ class _GerritChangelistImpl(_ChangelistCodereviewBase):
     return data['revisions'][current_rev]['commit']['message']
 
   def UpdateDescriptionRemote(self, description, force=False):
-    if gerrit_util.HasPendingChangeEdit(self._GetGerritHost(), self.GetIssue()):
+    if gerrit_util.HasPendingChangeEdit(
+        self._GetGerritHost(), self._GerritChangeIdentifier()):
       if not force:
         confirm_or_exit(
             'The description cannot be modified while the issue has a pending '
             'unpublished edit. Either publish the edit in the Gerrit web UI '
             'or delete it.\n\n', action='delete the unpublished edit')
 
-      gerrit_util.DeletePendingChangeEdit(self._GetGerritHost(),
-                                          self.GetIssue())
-    gerrit_util.SetCommitMessage(self._GetGerritHost(), self.GetIssue(),
+      gerrit_util.DeletePendingChangeEdit(
+        self._GetGerritHost(), self._GerritChangeIdentifier())
+    gerrit_util.SetCommitMessage(
+        self._GetGerritHost(), self._GerritChangeIdentifier(),
         description, notify='NONE')
 
   def AddComment(self, message, publish=None):
-    gerrit_util.SetReview(self._GetGerritHost(), self.GetIssue(),
+    gerrit_util.SetReview(
+        self._GetGerritHost(), self._GerritChangeIdentifier(),
         msg=message, ready=publish)
 
   def GetCommentsSummary(self, readable=True):
@@ -2625,7 +2628,7 @@ class _GerritChangelistImpl(_ChangelistCodereviewBase):
     messages = self._GetChangeDetail(
         options=['MESSAGES', 'DETAILED_ACCOUNTS']).get('messages', [])
     file_comments = gerrit_util.GetChangeComments(
-        self._GetGerritHost(), self.GetIssue())
+        self._GetGerritHost(), self._GerritChangeIdentifier())
 
     # Build dictionary of file comments for easy access and sorting later.
     # {author+date: {path: {patchset: {line: url+message}}}}
@@ -2691,10 +2694,12 @@ class _GerritChangelistImpl(_ChangelistCodereviewBase):
     return summary
 
   def CloseIssue(self):
-    gerrit_util.AbandonChange(self._GetGerritHost(), self.GetIssue(), msg='')
+    gerrit_util.AbandonChange(
+        self._GetGerritHost(), self._GerritChangeIdentifier(), msg='')
 
   def SubmitIssue(self, wait_for_merge=True):
-    gerrit_util.SubmitChange(self._GetGerritHost(), self.GetIssue(),
+    gerrit_util.SubmitChange(
+        self._GetGerritHost(), self._GerritChangeIdentifier(),
         wait_for_merge=wait_for_merge)
 
   def _GetChangeDetail(self, options=None, no_cache=False):
@@ -3279,7 +3284,8 @@ class _GerritChangelistImpl(_ChangelistCodereviewBase):
     }
     labels = {'Commit-Queue': vote_map[new_state]}
     notify = False if new_state == _CQState.DRY_RUN else None
-    gerrit_util.SetReview(self._GetGerritHost(), self.GetIssue(),
+    gerrit_util.SetReview(
+        self._GetGerritHost(), self._GerritChangeIdentifier(),
         labels=labels, notify=notify)
 
   def CannotTriggerTryJobReason(self):

tests/git_cl_test.py

@@ -2130,7 +2130,12 @@ class TestGitCl(TestCase):
         ((['git', 'config', 'branch.feature.gerritissue'],), '123'),
         ((['git', 'config', 'branch.feature.gerritserver'],),
          'https://chromium-review.googlesource.com'),
-        ((['SetReview', 'chromium-review.googlesource.com', 123,
+        ((['git', 'config', 'branch.feature.merge'],), 'refs/heads/master'),
+        ((['git', 'config', 'branch.feature.remote'],), 'origin'),
+        ((['git', 'config', 'remote.origin.url'],),
+         'https://chromium.googlesource.com/infra/infra.git'),
+        ((['SetReview', 'chromium-review.googlesource.com',
+           'infra%2Finfra~123',
            {'Commit-Queue': vote}, notify],), ''),
     ]
 
@@ -3218,7 +3223,8 @@ class TestGitCl(TestCase):
                                    'origin/master'),
       ((['git', 'config', 'remote.origin.url'],),
        'https://chromium.googlesource.com/infra/infra'),
-      (('SetReview', 'chromium-review.googlesource.com', 10, 'msg', None),
+      (('SetReview', 'chromium-review.googlesource.com', 'infra%2Finfra~10',
+        'msg', None),
        None),
     ]
     self.assertEqual(0, git_cl.main(['comment', '--gerrit', '-i', '10',
@@ -3328,7 +3334,8 @@ class TestGitCl(TestCase):
           },
         ]
       }),
-      (('GetChangeComments', 'chromium-review.googlesource.com', 1), {
+      (('GetChangeComments', 'chromium-review.googlesource.com',
+        'infra%2Finfra~1'), {
         '/COMMIT_MSG': [
           {
             'author': {'email': u'reviewer@example.com'},