github.com/keybase/client/go@v0.0.0-20241007131713-f10651d043c8/libkb/disable_backup_darwin.go (about)

     1  //go:build darwin
     2  // +build darwin
     3  
     4  package libkb
     5  
     6  import (
     7  	"path/filepath"
     8  
     9  	"github.com/pkg/xattr"
    10  )
    11  
    12  const noBackup = "com.apple.metadata:com_apple_backup_excludeItem com.apple.backupd"
    13  
    14  func SetDisableBackup(mctx MetaContext, name string) error {
    15  	path := filepath.Dir(name)
    16  	filename := filepath.Base(name)
    17  	// CrashPlan respects this metadata flag as does TimeMachine.
    18  	// https://support.crashplan.com/Troubleshooting/CrashPlan_And_OS_X_Metadata
    19  	err := xattr.Set(path, filename, []byte(noBackup))
    20  	if err != nil {
    21  		mctx.Debug("Unable to write xattr %s", filepath.Join(path, filename))
    22  	}
    23  	return err
    24  }