mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-11-02 19:19:20 +02:00
89 lines
1.9 KiB
Go
89 lines
1.9 KiB
Go
package base
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"os"
|
|
"sort"
|
|
"strings"
|
|
)
|
|
|
|
// Copyright 2011 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// copied from "github.com/golang/go/main.go"
|
|
|
|
// Execute excute the commands
|
|
func Execute() {
|
|
flag.Parse()
|
|
args := flag.Args()
|
|
if len(args) < 1 {
|
|
PrintUsage(os.Stderr, RootCommand)
|
|
return
|
|
}
|
|
cmdName := args[0] // for error messages
|
|
if args[0] == "help" {
|
|
Help(os.Stdout, args[1:])
|
|
return
|
|
}
|
|
|
|
BigCmdLoop:
|
|
for bigCmd := RootCommand; ; {
|
|
for _, cmd := range bigCmd.Commands {
|
|
if cmd.Name() != args[0] {
|
|
continue
|
|
}
|
|
if len(cmd.Commands) > 0 {
|
|
// test sub commands
|
|
bigCmd = cmd
|
|
args = args[1:]
|
|
if len(args) == 0 {
|
|
PrintUsage(os.Stderr, bigCmd)
|
|
SetExitStatus(2)
|
|
Exit()
|
|
}
|
|
if args[0] == "help" {
|
|
// Accept 'go mod help' and 'go mod help foo' for 'go help mod' and 'go help mod foo'.
|
|
Help(os.Stdout, append(strings.Split(cmdName, " "), args[1:]...))
|
|
return
|
|
}
|
|
cmdName += " " + args[0]
|
|
continue BigCmdLoop
|
|
}
|
|
if !cmd.Runnable() {
|
|
continue
|
|
}
|
|
cmd.Flag.Usage = func() { cmd.Usage() }
|
|
if cmd.CustomFlags {
|
|
args = args[1:]
|
|
} else {
|
|
cmd.Flag.Parse(args[1:])
|
|
args = cmd.Flag.Args()
|
|
}
|
|
|
|
buildCommandText(cmd)
|
|
cmd.Run(cmd, args)
|
|
Exit()
|
|
return
|
|
}
|
|
helpArg := ""
|
|
if i := strings.LastIndex(cmdName, " "); i >= 0 {
|
|
helpArg = " " + cmdName[:i]
|
|
}
|
|
fmt.Fprintf(os.Stderr, "%s %s: unknown command\nRun '%s help%s' for usage.\n", CommandEnv.Exec, cmdName, CommandEnv.Exec, helpArg)
|
|
SetExitStatus(2)
|
|
Exit()
|
|
}
|
|
}
|
|
|
|
// Sort sorts the commands
|
|
func Sort() {
|
|
sort.Slice(RootCommand.Commands, func(i, j int) bool {
|
|
return SortLessFunc(RootCommand.Commands[i], RootCommand.Commands[j])
|
|
})
|
|
}
|
|
|
|
// SortLessFunc used for sort commands list, can be override from outside
|
|
var SortLessFunc = func(i, j *Command) bool {
|
|
return i.Name() < j.Name()
|
|
}
|