/
exec.go
57 lines (52 loc) · 1.64 KB
/
exec.go
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// Copyright 2019 The Operator-SDK Authors
//
// 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 projutil
import (
"fmt"
"os"
"os/exec"
log "github.com/sirupsen/logrus"
)
func ExecCmd(cmd *exec.Cmd) error {
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Stdin = os.Stdin
log.Debugf("Running %#v", cmd.Args)
if err := cmd.Run(); err != nil {
return fmt.Errorf("failed to exec %#v: %v", cmd.Args, err)
}
return nil
}
// From https://github.com/golang/go/wiki/Modules:
// You can activate module support in one of two ways:
// - Invoke the go command in a directory with a valid go.mod file in the
// current directory or any parent of it and the environment variable
// GO111MODULE unset (or explicitly set to auto).
// - Invoke the go command with GO111MODULE=on environment variable set.
//
// GoModOn returns true if Go modules are on in one of the above two ways.
func GoModOn() (bool, error) {
v, ok := os.LookupEnv(GoModEnv)
if !ok {
return true, nil
}
switch v {
case "", "auto", "on":
return true, nil
case "off":
return false, nil
default:
return false, fmt.Errorf("unknown environment setting GO111MODULE=%s", v)
}
}