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copy_unix.go
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/
copy_unix.go
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// +build !windows
package dockerfile
import (
"os"
"path/filepath"
"github.com/docker/docker/pkg/containerfs"
"github.com/docker/docker/pkg/idtools"
)
func fixPermissions(source, destination string, rootIDs idtools.IDPair, overrideSkip bool) error {
var (
skipChownRoot bool
err error
)
if !overrideSkip {
destEndpoint := ©Endpoint{driver: containerfs.NewLocalDriver(), path: destination}
skipChownRoot, err = isExistingDirectory(destEndpoint)
if err != nil {
return err
}
}
// We Walk on the source rather than on the destination because we don't
// want to change permissions on things we haven't created or modified.
return filepath.Walk(source, func(fullpath string, info os.FileInfo, err error) error {
// Do not alter the walk root iff. it existed before, as it doesn't fall under
// the domain of "things we should chown".
if skipChownRoot && source == fullpath {
return nil
}
// Path is prefixed by source: substitute with destination instead.
cleaned, err := filepath.Rel(source, fullpath)
if err != nil {
return err
}
fullpath = filepath.Join(destination, cleaned)
return os.Lchown(fullpath, rootIDs.UID, rootIDs.GID)
})
}
func validateCopySourcePath(imageSource *imageMount, origPath, platform string) error {
return nil
}