vfscopy/options.go

45 lines
1.1 KiB
Go

package vfscopy
import "os"
// Options specifies optional actions on copying.
type Options struct {
// OnSymlink can specify what to do on symlink
OnSymlink func(src string) SymlinkAction
// Skip can specify which files should be skipped
Skip func(src string) (bool, error)
// AddPermission to every entities,
// NO MORE THAN 0777
AddPermission os.FileMode
// Sync file after copy.
// Useful in case when file must be on the disk
// (in case crash happens, for example),
// at the expense of some performance penalty
Sync bool
}
// SymlinkAction represents what to do on symlink.
type SymlinkAction int
const (
// Shallow creates new symlink to the dest of symlink.
Shallow SymlinkAction = iota
// Skip does nothing with symlink.
Skip
)
// getDefaultOptions provides default options,
// which would be modified by usage-side.
func getDefaultOptions() Options {
return Options{
OnSymlink: func(string) SymlinkAction {
return Shallow // Do shallow copy
},
Skip: func(string) (bool, error) {
return false, nil // Don't skip
},
AddPermission: 0, // Add nothing
Sync: false, // Do not sync
}
}