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init.go
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init.go
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/*
* Copyright (c) 2021 The GoPlus Authors (goplus.org). All rights reserved.
*
* 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 mod
import (
"runtime"
"strings"
"github.com/goplus/gop/cmd/internal/base"
"github.com/goplus/gop/env"
"github.com/goplus/mod/modload"
)
// gop mod init
var cmdInit = &base.Command{
UsageLine: "gop mod init [module]",
Short: "initialize new module in current directory",
}
func init() {
cmdInit.Run = runInit
}
func runInit(cmd *base.Command, args []string) {
switch len(args) {
case 0:
fatal(`Example usage:
'gop mod init example.com/m' to initialize a v0 or v1 module
'gop mod init example.com/m/v2' to initialize a v2 module
Run 'gop help mod init' for more information.`)
case 1:
default:
fatal("gop mod init: too many arguments")
}
modPath := args[0]
mod, err := modload.Create(".", modPath, goMainVer(), env.MainVersion)
check(err)
err = mod.Save()
check(err)
}
func goMainVer() string {
ver := strings.TrimPrefix(runtime.Version(), "go")
if pos := strings.Index(ver, "."); pos > 0 {
pos++
if pos2 := strings.Index(ver[pos:], "."); pos2 > 0 {
ver = ver[:pos+pos2]
}
}
return ver
}