[FAB-3610] Add subcommand docstring for peer cmd

Add more sub-command docstring for the peer cmd, hence it would be more
clear to know which subcommand to take from.

Change-Id: I03a5de9d4d50780a8eaa8e19a014cafad149c2a5
Signed-off-by: Baohua Yang <baohyang@cn.ibm.com>

peer/chaincode/chaincode.go

@@ -27,6 +27,8 @@ import (
 
 const (
 	chainFuncName = "chaincode"
+	shortDes      = "Operate a chaincode: install|instantiate|invoke|package|query|signpackage|upgrade."
+	longDes       = "Operate a chaincode: install|instantiate|invoke|package|query|signpackage|upgrade."
 )
 
 var logger = flogging.MustGetLogger("chaincodeCmd")
@@ -99,6 +101,6 @@ var (
 
 var chaincodeCmd = &cobra.Command{
 	Use:   chainFuncName,
-	Short: fmt.Sprintf("%s specific commands.", chainFuncName),
-	Long:  fmt.Sprintf("%s specific commands.", chainFuncName),
+	Short: fmt.Sprint(shortDes),
+	Long:  fmt.Sprint(longDes),
 }

peer/channel/channel.go

@@ -30,7 +30,11 @@ import (
 	"google.golang.org/grpc/credentials"
 )
 
-const channelFuncName = "channel"
+const (
+	channelFuncName = "channel"
+	shortDes        = "Operate a channel: create|fetch|join|list."
+	longDes         = "Operate a channel: create|fetch|join|list."
+)
 
 var (
 	// join related variables.
@@ -70,8 +74,8 @@ func AddFlags(cmd *cobra.Command) {
 
 var channelCmd = &cobra.Command{
 	Use:   channelFuncName,
-	Short: fmt.Sprintf("%s specific commands.", channelFuncName),
-	Long:  fmt.Sprintf("%s specific commands.", channelFuncName),
+	Short: fmt.Sprint(shortDes),
+	Long:  fmt.Sprint(longDes),
 }
 
 type BroadcastClientFactory func() (common.BroadcastClient, error)

peer/clilogging/logging.go

@@ -24,7 +24,11 @@ import (
 	"github.com/spf13/cobra"
 )
 
-const loggingFuncName = "logging"
+const (
+	loggingFuncName = "logging"
+	shortDes        = "Log levels: getlevel|setlevel|revertlevels."
+	longDes         = "Log levels: getlevel|setlevel|revertlevels."
+)
 
 var logger = flogging.MustGetLogger("cli/logging")
 
@@ -39,6 +43,6 @@ func Cmd() *cobra.Command {
 
 var loggingCmd = &cobra.Command{
 	Use:   loggingFuncName,
-	Short: fmt.Sprintf("%s specific commands.", loggingFuncName),
-	Long:  fmt.Sprintf("%s specific commands.", loggingFuncName),
+	Short: fmt.Sprint(shortDes),
+	Long:  fmt.Sprint(longDes),
 }

peer/node/node.go

@@ -23,7 +23,11 @@ import (
 	"github.com/spf13/cobra"
 )
 
-const nodeFuncName = "node"
+const (
+	nodeFuncName = "node"
+	shortDes     = "Operate a peer node: start|stop|status."
+	longDes      = "Operate a peer node: start|stop|status."
+)
 
 var (
 	stopPidFile string
@@ -41,6 +45,6 @@ func Cmd() *cobra.Command {
 
 var nodeCmd = &cobra.Command{
 	Use:   nodeFuncName,
-	Short: fmt.Sprintf("%s specific commands.", nodeFuncName),
-	Long:  fmt.Sprintf("%s specific commands.", nodeFuncName),
+	Short: fmt.Sprint(shortDes),
+	Long:  fmt.Sprint(longDes),
 }

peer/version/version.go

@@ -31,7 +31,7 @@ func Cmd() *cobra.Command {
 var cobraCommand = &cobra.Command{
 	Use:   "version",
 	Short: "Print fabric peer version.",
-	Long:  `Print current version of fabric peer server.`,
+	Long:  `Print current version of the the fabric peer server.`,
 	Run: func(cmd *cobra.Command, args []string) {
 		Print()
 	},