mc: Inherit global flags for initialization messages.

Fixes #2089

cmd/main.go

@@ -18,6 +18,7 @@ package cmd
 
 import (
 	"bytes"
+	"encoding/json"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -28,6 +29,7 @@ import (
 	"time"
 
 	"github.com/cheggaaa/pb"
+	"github.com/fatih/color"
 	"github.com/minio/cli"
 	"github.com/minio/mc/pkg/console"
 	"github.com/minio/minio/pkg/probe"
@@ -174,14 +176,39 @@ func getSystemData() map[string]string {
 	}
 }
 
+// initMessage represents encapsulation for `mc`
+// initialization messages such as `config`, `share`
+// etc.
+//
+// Also implements `message` compatible JSON and
+// String methods.
+type initMessage struct {
+	Status  string `json:"status"`
+	Message string `json:"msg"`
+}
+
+func (m initMessage) String() string {
+	return console.Colorize("Init", m.Message)
+}
+
+func (m initMessage) JSON() string {
+	m.Status = "success"
+	jsonMessageBytes, e := json.Marshal(m)
+	fatalIf(probe.NewError(e), "Unable to marshal into JSON.")
+
+	return string(jsonMessageBytes)
+}
+
 // initMC - initialize 'mc'.
 func initMC() {
+	console.SetColor("Init", color.New(color.FgGreen, color.Bold))
+
 	// Check if mc config exists.
 	if !isMcConfigExists() {
 		err := saveMcConfig(newMcConfig())
 		fatalIf(err.Trace(), "Unable to save new mc config.")
 
-		console.Infoln("Configuration written to `" + mustGetMcConfigPath() + "`. Please update your access credentials.")
+		printMsg(initMessage{Message: fmt.Sprintf("Configuration written to `" + mustGetMcConfigPath() + "`. Please update your access credentials.")})
 	}
 
 	// Check if mc session folder exists.
@@ -218,12 +245,12 @@ func registerBefore(ctx *cli.Context) error {
 	// Migrate any old version of config / state files to newer format.
 	migrate()
 
-	// Initialize default config files.
-	initMC()
-
 	// Set global flags.
 	setGlobalsFromContext(ctx)
 
+	// Initialize default config files.
+	initMC()
+
 	// Check if config can be read.
 	checkConfig()
 

cmd/share.go

@@ -178,20 +178,20 @@ func initShareConfig() {
 	if !isShareDirExists() {
 		fatalIf(createShareDir().Trace(mustGetShareDir()),
 			"Failed to create share `"+mustGetShareDir()+"` folder.")
-		console.Infof("Successfully created `%s`.\n", mustGetShareDir())
+		printMsg(initMessage{Message: fmt.Sprintf("Successfully created `%s`.", mustGetShareDir())})
 	}
 
 	// Uploads share file.
 	if !isShareUploadsExists() {
 		fatalIf(initShareUploadsFile().Trace(getShareUploadsFile()),
 			"Failed to initialize share uploads `"+getShareUploadsFile()+"` file.")
-		console.Infof("Initialized share uploads `%s` file.\n", getShareUploadsFile())
+		printMsg(initMessage{Message: fmt.Sprintf("Initialized share uploads `%s` file.", getShareUploadsFile())})
 	}
 
 	// Downloads share file.
 	if !isShareDownloadsExists() {
 		fatalIf(initShareDownloadsFile().Trace(getShareDownloadsFile()),
 			"Failed to initialize share downloads `"+getShareDownloadsFile()+"` file.")
-		console.Infof("Initialized share downloads `%s` file.\n", getShareDownloadsFile())
+		printMsg(initMessage{Message: fmt.Sprintf("Initialized share downloads `%s` file.", getShareDownloadsFile())})
 	}
 }