Refacture structure proposal. (#1793)

command/config-main.go

@@ -0,0 +1,77 @@
+/*
+ * Minio Client (C) 2014, 2015 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package command
+
+import "github.com/minio/cli"
+
+//   Configure minio client
+//
+//   ----
+//   NOTE: that the configure command only writes values to the config file.
+//   It does not use any configuration values from the environment variables.
+//
+//   One needs to edit configuration file manually, this is purposefully done
+//   so to avoid taking credentials over cli arguments. It is a security precaution
+//   ----
+//
+
+var (
+	configFlags = []cli.Flag{
+		cli.BoolFlag{
+			Name:  "help, h",
+			Usage: "Help of config.",
+		},
+	}
+)
+
+var configCmd = cli.Command{
+	Name:   "config",
+	Usage:  "Manage configuration file.",
+	Action: mainConfig,
+	Flags:  append(configFlags, globalFlags...),
+	Subcommands: []cli.Command{
+		configHostCmd,
+	},
+	CustomHelpTemplate: `NAME:
+   {{.Name}} - {{.Usage}}
+
+USAGE:
+   {{.Name}} [FLAGS] COMMAND
+
+FLAGS:
+  {{range .Flags}}{{.}}
+  {{end}}
+COMMANDS:
+   {{range .Commands}}{{join .Names ", "}}{{ "\t" }}{{.Usage}}
+   {{end}}
+`,
+}
+
+// mainConfig is the handle for "mc config" command. provides sub-commands which write configuration data in json format to config file.
+func mainConfig(ctx *cli.Context) {
+	// Set global flags from context.
+	setGlobalsFromContext(ctx)
+
+	if ctx.Args().First() != "" { // command help.
+		cli.ShowCommandHelp(ctx, ctx.Args().First())
+	} else {
+		// command with Subcommands is an App.
+		cli.ShowAppHelp(ctx)
+	}
+
+	// Sub-commands like "host" and "alias" have their own main.
+}