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cp.go
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cp.go
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package utils
import (
"fmt"
"io"
"io/ioutil"
"os"
"path/filepath"
)
func ExeCp(sources []string, operationDir string, targetDir string) error {
for _, source := range sources {
sourcePath := fmt.Sprintf("%s/%s", operationDir, RemovePrefix(source))
targetPath := fmt.Sprintf("%s/%s", targetDir, RemovePrefix(source))
sourceInfo, err := os.Stat(sourcePath)
if err != nil {
return err
}
if sourceInfo.IsDir() {
if err := copyDir(sourcePath, targetPath); err != nil {
return err
}
} else {
if err := copyFile(sourcePath, targetPath); err != nil {
return err
}
}
}
return nil
}
func copyFile(sourcePath string, targetPath string) error {
_, err := os.Stat(targetPath)
if !os.IsNotExist(err) {
isConfirmed, err := OverwriteSource(fmt.Sprintf("%s is exist! Overwrite?", targetPath), targetPath)
if err != nil {
return err
}
if !isConfirmed {
return nil
}
}
src, err := os.Open(sourcePath)
if err != nil {
return err
}
defer src.Close()
dst, err := os.Create(targetPath)
if err != nil {
return err
}
defer dst.Close()
_, err = io.Copy(dst, src)
if err != nil {
return err
}
AppendLog(sourcePath, targetPath, "cp")
return nil
}
func copyDir(sourcePath string, targetPath string) error {
src := filepath.Clean(sourcePath)
dst := filepath.Clean(targetPath)
si, err := os.Stat(src)
if err != nil {
return err
}
if !si.IsDir() {
return fmt.Errorf("source is not a directory")
}
_, err = os.Stat(dst)
if err != nil && !os.IsNotExist(err) {
return err
}
err = os.MkdirAll(dst, si.Mode())
if err != nil {
return err
}
entries, err := ioutil.ReadDir(src)
if err != nil {
return err
}
for _, entry := range entries {
srcPath := filepath.Join(src, entry.Name())
dstPath := filepath.Join(dst, entry.Name())
if entry.IsDir() {
err = copyDir(srcPath, dstPath)
if err != nil {
return err
}
} else {
if entry.Mode()&os.ModeSymlink != 0 {
continue
}
err = copyFile(srcPath, dstPath)
if err != nil {
return err
}
}
}
return nil
}