From 89d88f7ebc97377d4df96aed076ebc971183fdec Mon Sep 17 00:00:00 2001
From: Peter Cock <p.j.a.cock@googlemail.com>
Date: Sat, 15 Aug 2020 13:54:57 +0100
Subject: [PATCH] Implement quiet mode, silent on skipped hooks

---
 pre_commit/commands/run.py | 42 +++++++++++++++++++++-----------------
 pre_commit/main.py         |  4 ++++
 2 files changed, 27 insertions(+), 19 deletions(-)

diff --git a/pre_commit/commands/run.py b/pre_commit/commands/run.py
index 1f28c8c7..5c3baff6 100644
--- a/pre_commit/commands/run.py
+++ b/pre_commit/commands/run.py
@@ -137,35 +137,38 @@ def _run_single_hook(
         diff_before: bytes,
         verbose: bool,
         use_color: bool,
+        quiet: bool,
 ) -> Tuple[bool, bytes]:
     filenames = classifier.filenames_for_hook(hook)
 
     if hook.id in skips or hook.alias in skips:
-        output.write(
-            _full_msg(
-                start=hook.name,
-                end_msg=SKIPPED,
-                end_color=color.YELLOW,
-                use_color=use_color,
-                cols=cols,
-            ),
-        )
+        if not quiet:
+            output.write(
+                _full_msg(
+                    start=hook.name,
+                    end_msg=SKIPPED,
+                    end_color=color.YELLOW,
+                    use_color=use_color,
+                    cols=cols,
+                ),
+            )
         duration = None
         retcode = 0
         diff_after = diff_before
         files_modified = False
         out = b''
     elif not filenames and not hook.always_run:
-        output.write(
-            _full_msg(
-                start=hook.name,
-                postfix=NO_FILES,
-                end_msg=SKIPPED,
-                end_color=color.TURQUOISE,
-                use_color=use_color,
-                cols=cols,
-            ),
-        )
+        if not quiet:
+            output.write(
+                _full_msg(
+                    start=hook.name,
+                    postfix=NO_FILES,
+                    end_msg=SKIPPED,
+                    end_color=color.TURQUOISE,
+                    use_color=use_color,
+                    cols=cols,
+                ),
+            )
         duration = None
         retcode = 0
         diff_after = diff_before
@@ -272,6 +275,7 @@ def _run_hooks(
         current_retval, prior_diff = _run_single_hook(
             classifier, hook, skips, cols, prior_diff,
             verbose=args.verbose, use_color=args.color,
+            quiet=False if args.verbose else args.quiet,
         )
         retval |= current_retval
         if retval and config['fail_fast']:
diff --git a/pre_commit/main.py b/pre_commit/main.py
index 86479607..60891711 100644
--- a/pre_commit/main.py
+++ b/pre_commit/main.py
@@ -81,6 +81,10 @@ def _add_hook_type_option(parser: argparse.ArgumentParser) -> None:
 def _add_run_options(parser: argparse.ArgumentParser) -> None:
     parser.add_argument('hook', nargs='?', help='A single hook-id to run')
     parser.add_argument('--verbose', '-v', action='store_true', default=False)
+    parser.add_argument(
+        '--quiet', '-q', action='store_true', default=False,
+        help='Enable quiet mode (verbose mode overrides this).',
+    )
     mutex_group = parser.add_mutually_exclusive_group(required=False)
     mutex_group.add_argument(
         '--all-files', '-a', action='store_true', default=False,