uhd: utils: Downloader logs no targets selected

uhd_images_downloader: Adding INFO message when there is no target
selected to download, as when the user misspells a target name.

1 files changed, 5 insertions, 0 deletions

diff --git a/host/utils/uhd_images_downloader.py.in b/host/utils/uhd_images_downloader.py.in
index 64a1288e3..96f56e64f 100644
--- a/host/utils/uhd_images_downloader.py.in
+++ b/host/utils/uhd_images_downloader.py.in
@@ -159,11 +159,14 @@ def lookup_urls(regex_l, manifest, inventory, refetch=False):
     """Takes a list of RegExs to match within the manifest, returns a list of tuples with
     (hash, URL) that match the targets and are not in the inventory"""
     selected_targets = []
+    # Store whether or not we've found a target in the manifest that matches the requested type
+    found_one = False
     for target in manifest.keys():
         # Iterate through the possible targets in the manifest.
         # If any of them match any of the RegExs supplied, add the URL to the
         # return list
         if all(map((lambda regex: re.findall(regex, target)), regex_l)):
+            found_one = True
             log("TRACE", "Selected target: {}".format(target))
             target_info = manifest.get(target)
             target_url = target_info.get("url")
@@ -181,6 +184,8 @@ def lookup_urls(regex_l, manifest, inventory, refetch=False):
                                          "filename": filename,
                                          "url": target_url,
                                          "sha256_hash": target_sha256})
+    if not found_one:
+        log("INFO", "No targets matching '{}'".format(regex_l))
     return selected_targets