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get.go
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get.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 gopget
import (
"fmt"
"log"
"os"
"syscall"
"github.com/goplus/gop/cmd/internal/base"
"github.com/goplus/gop/x/gopenv"
"github.com/goplus/mod/modcache"
"github.com/goplus/mod/modfetch"
"github.com/goplus/mod/modload"
)
// -----------------------------------------------------------------------------
// Cmd - gop get
var Cmd = &base.Command{
UsageLine: "gop get [-v] [packages]",
Short: `Add dependencies to current module and install them`,
}
var (
flag = &Cmd.Flag
_ = flag.Bool("v", false, "print verbose information.")
)
func init() {
Cmd.Run = runCmd
}
func runCmd(cmd *base.Command, args []string) {
err := flag.Parse(args)
if err != nil {
log.Fatalln("parse input arguments failed:", err)
}
narg := flag.NArg()
if narg < 1 {
log.Fatalln("TODO: not impl")
}
for i := 0; i < narg; i++ {
get(flag.Arg(i))
}
}
func get(pkgPath string) {
modBase := ""
mod, err := modload.Load(".", 0)
hasMod := (err != syscall.ENOENT)
if hasMod {
check(err)
check(mod.UpdateGoMod(gopenv.Get(), true))
modBase = mod.Path()
}
pkgModVer, _, err := modfetch.GetPkg(pkgPath, modBase)
check(err)
if !hasMod {
return
}
pkgModRoot, err := modcache.Path(pkgModVer)
check(err)
pkgMod, err := modload.Load(pkgModRoot, 0)
check(err)
if pkgMod.Classfile != nil {
mod.AddRegister(pkgModVer.Path)
fmt.Fprintf(os.Stderr, "gop get: registered %s\n", pkgModVer.Path)
}
check(mod.AddRequire(pkgModVer.Path, pkgModVer.Version))
fmt.Fprintf(os.Stderr, "gop get: added %s %s\n", pkgModVer.Path, pkgModVer.Version)
check(mod.Save())
check(mod.UpdateGoMod(gopenv.Get(), false))
}
func check(err error) {
if err != nil {
log.Fatalln(err)
}
}
// -----------------------------------------------------------------------------