[cipd] Enable specific log level.

cipd/client/cli/main.go

Index: cipd/client/cli/main.go
diff --git a/cipd/client/cli/main.go b/cipd/client/cli/main.go
index b0e421673cbe352b56f110e3a08433c9d1da37db..30e7f9fc35f7609f19ec1280c7e39317660119f0 100644
--- a/cipd/client/cli/main.go
+++ b/cipd/client/cli/main.go
@@ -91,20 +91,27 @@ type cipdSubcommand struct {
 
 	jsonOutput string
 	verbose    bool
+	logConfig  logging.Config
 }
 
 // ModifyContext implements cli.ContextModificator.
 func (c *cipdSubcommand) ModifyContext(ctx context.Context) context.Context {
 	if c.verbose {
 		ctx = logging.SetLevel(ctx, logging.Debug)
+	} else {
+		ctx = c.logConfig.Set(ctx)
 	}
 	return ctx
 }
 
 // registerBaseFlags registers common flags used by all subcommands.
 func (c *cipdSubcommand) registerBaseFlags() {
+	// Set the default log level.
+	c.logConfig.Level = logging.Info
+
 	c.Flags.StringVar(&c.jsonOutput, "json-output", "", "Path to write operation results to.")
-	c.Flags.BoolVar(&c.verbose, "verbose", false, "Enable more logging.")
+	c.Flags.BoolVar(&c.verbose, "verbose", false, "Enable debug-level logging.")

[Vadim Sh., 2017/07/26 03:47:44]

I think we can kill this flag. No scripts is using it AFAIK.

At very least mark is as "[deprecated]".  Having two flags for same thing is
weird.

[dnj, 2017/07/26 05:46:37]

I suppose since we pin CIPD, this is a relatively safe thing to do. Done.

+	c.logConfig.AddFlags(&c.Flags)
 }
 
 // checkArgs checks command line args.