diff --git a/zuul/driver/gerrit/gerritsource.py b/zuul/driver/gerrit/gerritsource.py
index a59781d097..fde0bf9284 100644
--- a/zuul/driver/gerrit/gerritsource.py
+++ b/zuul/driver/gerrit/gerritsource.py
@@ -55,7 +55,7 @@ class GerritSource(BaseSource):
     def getChange(self, event, refresh=False):
         return self.connection.getChange(event, refresh)
 
-    def getChangeByURL(self, url):
+    def getChangeByURL(self, url, event):
         try:
             parsed = urllib.parse.urlparse(url)
         except ValueError:
@@ -71,11 +71,12 @@ class GerritSource(BaseSource):
         except ValueError:
             return None
         query = "change:%s" % (change_no,)
-        results = self.connection.simpleQuery(query)
+        results = self.connection.simpleQuery(query, event=event)
         if not results:
             return None
         change = self.connection._getChange(
-            results[0].number, results[0].current_patchset)
+            results[0].number, results[0].current_patchset,
+            event=event)
         return change
 
     def getChangesDependingOn(self, change, projects, tenant):
diff --git a/zuul/driver/git/gitsource.py b/zuul/driver/git/gitsource.py
index d387c787ec..f5c2c07f8c 100644
--- a/zuul/driver/git/gitsource.py
+++ b/zuul/driver/git/gitsource.py
@@ -38,7 +38,7 @@ class GitSource(BaseSource):
     def getChange(self, event, refresh=False):
         return self.connection.getChange(event, refresh)
 
-    def getChangeByURL(self, url):
+    def getChangeByURL(self, url, event):
         return None
 
     def getChangesDependingOn(self, change, projects, tenant):
diff --git a/zuul/driver/github/githubsource.py b/zuul/driver/github/githubsource.py
index 2b647b6838..95cc64f8f2 100644
--- a/zuul/driver/github/githubsource.py
+++ b/zuul/driver/github/githubsource.py
@@ -67,7 +67,7 @@ class GithubSource(BaseSource):
 
     change_re = re.compile(r"/(.*?)/(.*?)/pull/(\d+)[\w]*")
 
-    def getChangeByURL(self, url):
+    def getChangeByURL(self, url, event):
         try:
             parsed = urllib.parse.urlparse(url)
         except ValueError:
@@ -81,14 +81,16 @@ class GithubSource(BaseSource):
             num = int(m.group(3))
         except ValueError:
             return None
-        pull, pr_obj = self.connection.getPull('%s/%s' % (org, proj), int(num))
+        pull, pr_obj = self.connection.getPull(
+            '%s/%s' % (org, proj), int(num), event=event)
         if not pull:
             return None
         proj = pull.get('base').get('repo').get('full_name')
         project = self.getProject(proj)
         change = self.connection._getChange(
             project, num,
-            patchset=pull.get('head').get('sha'))
+            patchset=pull.get('head').get('sha'),
+            event=event)
         return change
 
     def getChangesDependingOn(self, change, projects, tenant):
diff --git a/zuul/driver/gitlab/gitlabsource.py b/zuul/driver/gitlab/gitlabsource.py
index 913d1e6001..985d6618bf 100644
--- a/zuul/driver/gitlab/gitlabsource.py
+++ b/zuul/driver/gitlab/gitlabsource.py
@@ -55,7 +55,7 @@ class GitlabSource(BaseSource):
     def getChange(self, event, refresh=False):
         return self.connection.getChange(event, refresh)
 
-    def getChangeByURL(self, url):
+    def getChangeByURL(self, url, event):
         try:
             parsed = urllib.parse.urlparse(url)
         except ValueError:
@@ -68,12 +68,13 @@ class GitlabSource(BaseSource):
             num = int(m.group(2))
         except ValueError:
             return None
-        mr = self.connection.getPull(project_name, num)
+        mr = self.connection.getPull(project_name, num, event=event)
         if not mr:
             return None
         project = self.getProject(project_name)
         change = self.connection._getChange(
-            project, num, mr['sha'], url=url)
+            project, num, mr['sha'], url=url,
+            event=event)
         return change
 
     def getChangesDependingOn(self, change, projects, tenant):
diff --git a/zuul/driver/pagure/pagureconnection.py b/zuul/driver/pagure/pagureconnection.py
index f10b3f62ac..4e30768adf 100644
--- a/zuul/driver/pagure/pagureconnection.py
+++ b/zuul/driver/pagure/pagureconnection.py
@@ -753,12 +753,13 @@ class PagureConnection(BaseConnection):
                  change.project.name, change.number, can_merge)
         return can_merge
 
-    def getPull(self, project_name, number):
+    def getPull(self, project_name, number, event=None):
+        log = get_annotated_logger(self.log, event=event)
         pagure = self.get_project_api_client(project_name)
         pr = pagure.get_pr(number)
         diffstats = pagure.get_pr_diffstats(number)
         pr['files'] = list(diffstats.keys())
-        self.log.info('Got PR %s#%s', project_name, number)
+        log.info('Got PR %s#%s', project_name, number)
         return pr
 
     def getStatus(self, project, number):
diff --git a/zuul/driver/pagure/paguresource.py b/zuul/driver/pagure/paguresource.py
index 8fbb50bacf..6c459e2ded 100644
--- a/zuul/driver/pagure/paguresource.py
+++ b/zuul/driver/pagure/paguresource.py
@@ -62,7 +62,7 @@ class PagureSource(BaseSource):
     def getChange(self, event, refresh=False):
         return self.connection.getChange(event, refresh)
 
-    def getChangeByURL(self, url):
+    def getChangeByURL(self, url, event):
         try:
             parsed = urllib.parse.urlparse(url)
         except ValueError:
@@ -75,14 +75,15 @@ class PagureSource(BaseSource):
             num = int(m.group(2))
         except ValueError:
             return None
-        pull = self.connection.getPull(project_name, num)
+        pull = self.connection.getPull(project_name, num, event=event)
         if not pull:
             return None
         project = self.getProject(project_name)
         change = self.connection._getChange(
             project, num,
             patchset=pull.get('commit_stop'),
-            url=url)
+            url=url,
+            event=event)
         return change
 
     def getChangesDependingOn(self, change, projects, tenant):
diff --git a/zuul/manager/__init__.py b/zuul/manager/__init__.py
index d313ca1787..36183b6c80 100644
--- a/zuul/manager/__init__.py
+++ b/zuul/manager/__init__.py
@@ -445,7 +445,7 @@ class PipelineManager(metaclass=ABCMeta):
             if not source:
                 continue
             log.debug("  Found source: %s", source)
-            dep = source.getChangeByURL(match)
+            dep = source.getChangeByURL(match, event)
             if dep and (not dep.is_merged) and dep not in dependencies:
                 log.debug("  Adding dependency: %s", dep)
                 dependencies.append(dep)
diff --git a/zuul/source/__init__.py b/zuul/source/__init__.py
index 4402a5ed28..40a739b91b 100644
--- a/zuul/source/__init__.py
+++ b/zuul/source/__init__.py
@@ -59,7 +59,7 @@ class BaseSource(object, metaclass=abc.ABCMeta):
         """
 
     @abc.abstractmethod
-    def getChangeByURL(self, url):
+    def getChangeByURL(self, url, event):
         """Get the change corresponding to the supplied URL.
 
         The URL may may not correspond to this source; if it doesn't,