k3s/vendor/sigs.k8s.io/kustomize/api/internal/git/gitrunner.go
Brad Davidson e8381db778 Update Kubernetes to v1.21.0
* Update Kubernetes to v1.21.0
* Update to golang v1.16.2
* Update dependent modules to track with upstream
* Switch to upstream flannel
* Track changes to upstream cloud-controller-manager and FeatureGates

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
2021-04-14 14:51:42 -07:00

59 lines
1.3 KiB
Go

// Copyright 2020 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package git
import (
"os/exec"
"time"
"github.com/pkg/errors"
"sigs.k8s.io/kustomize/api/filesys"
"sigs.k8s.io/kustomize/api/internal/utils"
)
// Arbitrary, but non-infinite, timeout for running commands.
const defaultDuration = 27 * time.Second
// gitRunner runs the external git binary.
type gitRunner struct {
gitProgram string
duration time.Duration
dir filesys.ConfirmedDir
}
// newCmdRunner returns a gitRunner if it can find the binary.
// It also creats a temp directory for cloning repos.
func newCmdRunner() (*gitRunner, error) {
gitProgram, err := exec.LookPath("git")
if err != nil {
return nil, errors.Wrap(err, "no 'git' program on path")
}
dir, err := filesys.NewTmpConfirmedDir()
if err != nil {
return nil, err
}
return &gitRunner{
gitProgram: gitProgram,
duration: defaultDuration,
dir: dir,
}, nil
}
// run a command with a timeout.
func (r gitRunner) run(args ...string) error {
//nolint: gosec
cmd := exec.Command(r.gitProgram, args...)
cmd.Dir = r.dir.String()
return utils.TimedCall(
cmd.String(),
r.duration,
func() error {
_, err := cmd.CombinedOutput()
if err != nil {
return errors.Wrapf(err, "git cmd = '%s'", cmd.String())
}
return err
})
}