mirror of
https://github.com/opentofu/opentofu.git
synced 2024-12-25 08:21:07 -06:00
56 lines
1016 B
Go
56 lines
1016 B
Go
// Copyright (c) HashiCorp, Inc.
|
|
// SPDX-License-Identifier: MPL-2.0
|
|
|
|
package copy
|
|
|
|
import (
|
|
"io"
|
|
"os"
|
|
)
|
|
|
|
// From: https://gist.github.com/m4ng0squ4sh/92462b38df26839a3ca324697c8cba04
|
|
|
|
// CopyFile copies the contents of the file named src to the file named
|
|
// by dst. The file will be created if it does not already exist. If the
|
|
// destination file exists, all it's contents will be replaced by the contents
|
|
// of the source file. The file mode will be copied from the source and
|
|
// the copied data is synced/flushed to stable storage.
|
|
func CopyFile(src, dst string) (err error) {
|
|
in, err := os.Open(src)
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer in.Close()
|
|
|
|
out, err := os.Create(dst)
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer func() {
|
|
if e := out.Close(); e != nil {
|
|
err = e
|
|
}
|
|
}()
|
|
|
|
_, err = io.Copy(out, in)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
err = out.Sync()
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
si, err := os.Stat(src)
|
|
if err != nil {
|
|
return
|
|
}
|
|
err = os.Chmod(dst, si.Mode())
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
return
|
|
}
|