/
copy.go
68 lines (57 loc) · 1.28 KB
/
copy.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
package file
import (
"fmt"
"io"
"os"
"path"
"github.com/spf13/afero"
)
func CopyDir(fs afero.Fs, src string, dst string) error {
var err error
var fds []os.DirEntry
var srcinfo os.FileInfo
if srcinfo, err = fs.Stat(src); err != nil {
return err
}
if err = fs.MkdirAll(dst, srcinfo.Mode()); err != nil {
return err
}
if fds, err = os.ReadDir(src); err != nil {
return err
}
for _, fd := range fds {
srcPath := path.Join(src, fd.Name())
dstPath := path.Join(dst, fd.Name())
if fd.IsDir() {
if err = CopyDir(fs, srcPath, dstPath); err != nil {
return fmt.Errorf("could not copy dir (%s -> %s): %w", srcPath, dstPath, err)
}
} else {
if err = CopyFile(fs, srcPath, dstPath); err != nil {
return fmt.Errorf("could not copy file (%s -> %s): %w", srcPath, dstPath, err)
}
}
}
return nil
}
func CopyFile(fs afero.Fs, src, dst string) error {
var err error
var srcFd afero.File
var dstFd afero.File
var srcinfo os.FileInfo
if srcFd, err = fs.Open(src); err != nil {
return err
}
defer srcFd.Close()
if dstFd, err = fs.Create(dst); err != nil {
return err
}
defer dstFd.Close()
if _, err = io.Copy(dstFd, srcFd); err != nil {
return err
}
if srcinfo, err = fs.Stat(src); err != nil {
return err
}
return fs.Chmod(dst, srcinfo.Mode())
}