adding lookback size

Signed-off-by: Shashank Reddy Boyapally <[email protected]>

orion.py

@@ -106,6 +106,7 @@ def cli(max_content_width=120):  # pylint: disable=unused-argument
 @click.option("--convert-tinyurl", is_flag=True, help="Convert buildUrls to tiny url format for better formatting")
 @click.option("--collapse", is_flag=True, help="Only outputs changepoints, previous and later runs in the xml format")
 @click.option("--node-count", default=False, help="Match any node iterations count")
+@click.option("--lookback-size", type=int, default=10000, help="Maximum number of entries to be looked back")
 def cmd_analysis(**kwargs):
     """
     Orion runs on command line mode, and helps in detecting regressions

pkg/utils.py

@@ -221,7 +221,7 @@ def process_test(
     # getting metadata
     metadata = extract_metadata_from_test(test) if options["uuid"] in ("", None) else get_metadata_with_uuid(options["uuid"], match)
     # get uuids, buildUrls matching with the metadata
-    runs = match.get_uuid_by_metadata(metadata, fingerprint_index, lookback_date=start_timestamp)
+    runs = match.get_uuid_by_metadata(metadata, fingerprint_index, lookback_date=start_timestamp, lookback_size=options['lookback_size'])
     uuids = [run["uuid"] for run in runs]
     buildUrls = {run["uuid"]: run["buildUrl"] for run in runs}
     # get uuids if there is a baseline