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exec.go
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exec.go
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package infra
import (
"bytes"
"fmt"
"io"
"os"
"os/exec"
"syscall"
"github.com/m-mizutani/goerr"
"github.com/m-mizutani/zenv/pkg/domain/model"
"github.com/m-mizutani/zenv/pkg/domain/types"
)
func (x *client) Exec(vars []*model.EnvVar, args types.Arguments) error {
if len(args) == 0 {
return types.ErrNotEnoughArgument
}
binary, err := exec.LookPath(args[0].String())
if err != nil {
return err
}
envvars := os.Environ()
for _, v := range vars {
envvars = append(envvars, fmt.Sprintf("%s=%s", v.Key, v.Value))
}
/* #nosec */
if err := syscall.Exec(binary, args.Strings(), envvars); err != nil {
return goerr.Wrap(err).With("args", args)
}
return nil
}
func (x *client) Command(args types.Arguments) (io.Reader, error) {
argv := args.Strings()
var cmd *exec.Cmd
switch len(argv) {
case 0:
return nil, goerr.Wrap(types.ErrInnerCommandFailed, "no command")
case 1:
cmd = exec.Command(argv[0]) // #nosec
default:
cmd = exec.Command(argv[0], argv[1:]...) // #nosec
}
var buf bytes.Buffer
cmd.Stdout = &buf
if err := cmd.Run(); err != nil {
return nil, types.ErrInnerCommandFailed.Wrap(err).With("argv", argv)
}
return bytes.NewReader(buf.Bytes()), nil
}