Merge 9e1ff1e into 0b2956d

CHANGES.rst

@@ -5,7 +5,8 @@ Changelog
 0.42 (unreleased)
 -----------------
 
-- Nothing changed yet.
+- Added ``-q``/``--quiet`` command line argument. This will reduce the verbosity
+  of informational output, e.g. for use in a CI pipeline.
 
 
 0.41 (2020-02-25)

check_manifest.py

@@ -59,6 +59,7 @@ class Failure(Exception):
 #
 
 VERBOSE = False
+QUIET = False
 
 _to_be_continued = False
 def _check_tbc():
@@ -69,6 +70,8 @@ def _check_tbc():
 
 
 def info(message):
+    if QUIET:
+        return
     _check_tbc()
     print(message)
 
@@ -994,8 +997,10 @@ def main():
         help='location for the source tree')
     parser.add_argument('--version', action='version',
                         version='%(prog)s version ' + __version__)
-    parser.add_argument('-v', '--verbose', action='store_true',
-        help='more verbose output')
+    parser.add_argument('--quiet', action='store_const', dest='quiet',
+                        const=0, default=1, help='reduced output verbosity')
+    parser.add_argument('--verbose', action='store_const', dest='verbose',
+                        const=1, default=0, help='more verbose output')
     parser.add_argument('-c', '--create', action='store_true',
         help='create a MANIFEST.in if missing')
     parser.add_argument('-u', '--update', action='store_true',
@@ -1016,9 +1021,13 @@ def main():
     if args.ignore_bad_ideas:
         IGNORE_BAD_IDEAS.extend(args.ignore_bad_ideas.split(','))
 
-    if args.verbose:
+    verbosity = args.quiet + args.verbose
+    if verbosity >= 2:
         global VERBOSE
         VERBOSE = True
+    if not verbosity:
+        global QUIET
+        QUIET = True
 
     try:
         if not check_manifest(args.source_tree, create=args.create,