Bitbucket Server: Add push_commands support when PR is updated (#2090)

Author: sharoneyal

pr_agent/servers/bitbucket_server_webhook.py

@@ -154,7 +154,8 @@ async def handle_webhook(background_tasks: BackgroundTasks, request: Request):
 
     commands_to_run = []
 
-    if data["eventKey"] == "pr:opened":
+    if (data["eventKey"] == "pr:opened"
+            or (data["eventKey"] == "repo:refs_changed" and data.get("pullRequest", {}).get("id", -1) != -1)):  # push event; -1 for push unassigned to a PR: #Check auto commands for creation/updating
         apply_repo_settings(pr_url)
         if not should_process_pr_logic(data):
             get_logger().info(f"PR ignored due to config settings", **log_context)
@@ -163,9 +164,21 @@ async def handle_webhook(background_tasks: BackgroundTasks, request: Request):
             )
         if get_settings().config.disable_auto_feedback:  # auto commands for PR, and auto feedback is disabled
             get_logger().info(f"Auto feedback is disabled, skipping auto commands for PR {pr_url}", **log_context)
-            return
+            return JSONResponse(
+                status_code=status.HTTP_200_OK, content=jsonable_encoder({"message": "PR ignored due to auto feedback not enabled"})
+            )
         get_settings().set("config.is_auto_command", True)
-        commands_to_run.extend(_get_commands_list_from_settings('BITBUCKET_SERVER.PR_COMMANDS'))
+        if data["eventKey"] == "pr:opened":
+            commands_to_run.extend(_get_commands_list_from_settings('BITBUCKET_SERVER.PR_COMMANDS'))
+        else: #Has to be: data["eventKey"] == "pr:from_ref_updated"
+            if not get_settings().get("BITBUCKET_SERVER.HANDLE_PUSH_TRIGGER"):
+                get_logger().info(f"Push trigger is disabled, skipping push commands for PR {pr_url}", **log_context)
+                return JSONResponse(
+                    status_code=status.HTTP_200_OK, content=jsonable_encoder({"message": "PR ignored due to push trigger not enabled"})
+                )
+
+            get_settings().set("config.is_new_pr", False)
+            commands_to_run.extend(_get_commands_list_from_settings('BITBUCKET_SERVER.PUSH_COMMANDS'))
     elif data["eventKey"] == "pr:comment:added":
         commands_to_run.append(data["comment"]["text"])
     else: