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