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// Copyright 2020 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package git
import (
"os/exec"
"time"
"sigs.k8s.io/kustomize/api/internal/utils"
"sigs.k8s.io/kustomize/kyaml/errors"
"sigs.k8s.io/kustomize/kyaml/filesys"
)
// 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(timeout time.Duration) (*gitRunner, error) {
gitProgram, err := exec.LookPath("git")
if err != nil {
return nil, errors.WrapPrefixf(err, "no 'git' program on path")
}
dir, err := filesys.NewTmpConfirmedDir()
if err != nil {
return nil, err
}
return &gitRunner{
gitProgram: gitProgram,
duration: timeout,
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 {
out, err := cmd.CombinedOutput()
if err != nil {
return errors.WrapPrefixf(err, "failed to run '%s': %s", cmd.String(), string(out))
}
return err
})
}
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