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copy.go
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copy.go
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// Copyright (c) The Thanos Authors.
// Licensed under the Apache License 2.0.
package e2eutil
import (
"io"
"os"
"path/filepath"
"testing"
"github.com/pkg/errors"
"github.com/thanos-io/thanos/pkg/runutil"
"github.com/thanos-io/thanos/pkg/testutil"
)
func Copy(t testing.TB, src, dst string) {
testutil.Ok(t, copyRecursive(src, dst))
}
func copyRecursive(src, dst string) error {
return filepath.Walk(src, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
relPath, err := filepath.Rel(src, path)
if err != nil {
return err
}
if info.IsDir() {
return os.MkdirAll(filepath.Join(dst, relPath), os.ModePerm)
}
if !info.Mode().IsRegular() {
return errors.Errorf("%s is not a regular file", path)
}
source, err := os.Open(filepath.Clean(path))
if err != nil {
return err
}
defer runutil.CloseWithErrCapture(&err, source, "close file")
destination, err := os.Create(filepath.Join(dst, relPath))
if err != nil {
return err
}
defer runutil.CloseWithErrCapture(&err, destination, "close file")
_, err = io.Copy(destination, source)
return err
})
}