add install cmd help

cmd/build.go

@@ -3,6 +3,7 @@ package cmd
 import (
 	"github.com/qiniu/goc/v2/pkg/build"
 	"github.com/qiniu/goc/v2/pkg/config"
+	"github.com/qiniu/goc/v2/pkg/flag"
 	"github.com/spf13/cobra"
 )
 
@@ -14,12 +15,14 @@ var buildCmd = &cobra.Command{
 }
 
 func init() {
-	buildCmd.Flags().StringVarP(&config.GocConfig.Mode, "mode", "", "count", "coverage mode: set, count, atomic, watch")
+	buildCmd.Flags().StringVarP(&config.GocConfig.Mode, "gocmode", "", "count", "coverage mode: set, count, atomic, watch")
-	buildCmd.Flags().StringVarP(&config.GocConfig.Host, "host", "", "127.0.0.1:7777", "specify the host of the goc sever")
+	buildCmd.Flags().StringVarP(&config.GocConfig.Host, "gochost", "", "127.0.0.1:7777", "specify the host of the goc sever")
 	rootCmd.AddCommand(buildCmd)
 }
 
 func buildAction(cmd *cobra.Command, args []string) {
-	b := build.NewBuild(cmd, args)
+	// 1. 解析 goc 命令行和 go 命令行
+	remainedArgs := flag.BuildCmdArgsParse(cmd, args, flag.GO_BUILD)
+	b := build.NewBuild(remainedArgs)
 	b.Build()
 }

cmd/install.go

@@ -3,6 +3,7 @@ package cmd
 import (
 	"github.com/qiniu/goc/v2/pkg/build"
 	"github.com/qiniu/goc/v2/pkg/config"
+	"github.com/qiniu/goc/v2/pkg/flag"
 	"github.com/spf13/cobra"
 )
 
@@ -14,12 +15,14 @@ var installCmd = &cobra.Command{
 }
 
 func init() {
-	installCmd.Flags().StringVarP(&config.GocConfig.Mode, "mode", "", "count", "coverage mode: set, count, atomic, watch")
+	installCmd.Flags().StringVarP(&config.GocConfig.Mode, "gocmode", "", "count", "coverage mode: set, count, atomic, watch")
-	installCmd.Flags().StringVarP(&config.GocConfig.Host, "host", "", "127.0.0.1:7777", "specify the host of the goc sever")
+	installCmd.Flags().StringVarP(&config.GocConfig.Host, "gochost", "", "127.0.0.1:7777", "specify the host of the goc sever")
 	rootCmd.AddCommand(installCmd)
 }
 
 func installAction(cmd *cobra.Command, args []string) {
-	b := build.NewInstall(cmd, args)
+	// 1. 解析 goc 命令行和 go 命令行
+	remainedArgs := flag.BuildCmdArgsParse(cmd, args, flag.GO_INSTALL)
+	b := build.NewInstall(remainedArgs)
 	b.Install()
 }

cmd/root.go

@@ -39,7 +39,7 @@ Find more information at:
 }
 
 func init() {
-	rootCmd.PersistentFlags().BoolVar(&config.GocConfig.Debug, "debug", false, "run goc in debug mode")
+	rootCmd.PersistentFlags().BoolVar(&config.GocConfig.Debug, "gocdebug", false, "run goc in debug mode")
 }
 
 // Execute the goc tool

pkg/build/build.go

@@ -8,7 +8,6 @@ import (
 	"github.com/qiniu/goc/v2/pkg/cover"
 	"github.com/qiniu/goc/v2/pkg/flag"
 	"github.com/qiniu/goc/v2/pkg/log"
-	"github.com/spf13/cobra"
 )
 
 // Build struct a build
@@ -18,13 +17,11 @@ type Build struct {
 
 // NewBuild creates a Build struct
 //
-// consumes args, get package dirs, read project meta info.
+func NewBuild(args []string) *Build {
-func NewBuild(cmd *cobra.Command, args []string) *Build {
 	b := &Build{}
-	// 1. 解析 goc 命令行和 go 命令行
+
-	remainedArgs := flag.BuildCmdArgsParse(cmd, args)
 	// 2. 解析 go 包位置
-	flag.GetPackagesDir(remainedArgs)
+	flag.GetPackagesDir(args)
 	// 3. 读取工程元信息：go.mod, pkgs list ...
 	b.readProjectMetaInfo()
 	// 4. 展示元信息

pkg/build/install.go

@@ -7,11 +7,10 @@ import (
 	"github.com/qiniu/goc/v2/pkg/config"
 	"github.com/qiniu/goc/v2/pkg/cover"
 	"github.com/qiniu/goc/v2/pkg/log"
-	"github.com/spf13/cobra"
 )
 
-func NewInstall(cmd *cobra.Command, args []string) *Build {
+func NewInstall(args []string) *Build {
-	return NewBuild(cmd, args)
+	return NewBuild(args)
 }
 
 // Install starts go install

pkg/flag/build_flags.go

@@ -14,15 +14,31 @@ import (
 var buildUsage string = `Usage:
   goc build [-o output] [build flags] [packages] [goc flags]
 
+[build flags] are same with go official command, you can copy them here directly.
+
 The [goc flags] can be placed in anywhere in the command line.
 However, other flags' order are same with the go official command.
 `
 
+var installUsage string = `Usage:
+goc install [-o output] [build flags] [packages] [goc flags]
+
+[build flags] are same with go official command, you can copy them here directly.
+
+The [goc flags] can be placed in anywhere in the command line.
+However, other flags' order are same with the go official command.
+`
+
+const (
+	GO_BUILD = iota
+	GO_INSTALL
+)
+
 // BuildCmdArgsParse parse both go flags and goc flags, it rewrite go flags if
 // necessary, and returns all non-flag arguments.
 //
 // 吞下 [packages] 之前所有的 flags.
-func BuildCmdArgsParse(cmd *cobra.Command, args []string) []string {
+func BuildCmdArgsParse(cmd *cobra.Command, args []string, cmdType int) []string {
 	// 首先解析 cobra 定义的 flag
 	allFlagSets := cmd.Flags()
 	// 因为 args 里面含有 go 的 flag，所以需要忽略解析 go flag 的错误
@@ -33,7 +49,13 @@ func BuildCmdArgsParse(cmd *cobra.Command, args []string) []string {
 	helpFlag := allFlagSets.Lookup("help")
 
 	if helpFlag.Changed {
+		if cmdType == GO_BUILD {
 			printHelp(buildUsage, cmd)
+		} else if cmdType == GO_INSTALL {
+			printHelp(installUsage, cmd)
+		}
+
+		os.Exit(0)
 	}
 	// 删除 help flag
 	args = findAndDelHelpFlag(args)