refactor: move flag to internal/common

cli/cli.go

@@ -18,18 +18,6 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
-// Verbose stores the variable from VerboseFlag.
-var Verbose bool
-
-// VerboseFlag turns on/off verbose logging down to the INFO level.
-var VerboseFlag = &cli.BoolFlag{
-	Name:        "verbose",
-	Aliases:     []string{"V"},
-	Value:       false,
-	Destination: &Verbose,
-	Usage:       "Show INFO messages",
-}
-
 func newAbraApp(version, commit string) *cli.App {
 	app := &cli.App{
 		Name: "abra",
@@ -55,7 +43,7 @@ convenient command-line experience. See "abra autocomplete -h" for more.
 			AutoCompleteCommand,
 		},
 		Flags: []cli.Flag{
-			VerboseFlag,
+			internal.VerboseFlag,
 			internal.DebugFlag,
 			internal.NoInputFlag,
 		},