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package container
import (
"encoding/gob"
"fmt"
"hakurei.app/check"
)
func init() { gob.Register(new(RemountOp)) }
// Remount is a helper for appending [RemountOp] to [Ops].
func (f *Ops) Remount(target *check.Absolute, flags uintptr) *Ops {
*f = append(*f, &RemountOp{target, flags})
return f
}
// RemountOp remounts Target with Flags.
type RemountOp struct {
Target *check.Absolute
Flags uintptr
}
func (r *RemountOp) Valid() bool { return r != nil && r.Target != nil }
func (*RemountOp) early(*setupState, syscallDispatcher) error { return nil }
func (r *RemountOp) apply(state *setupState, k syscallDispatcher) error {
return k.remount(state, toSysroot(r.Target.String()), r.Flags)
}
func (r *RemountOp) late(*setupState, syscallDispatcher) error { return nil }
func (r *RemountOp) Is(op Op) bool {
vr, ok := op.(*RemountOp)
return ok && r.Valid() && vr.Valid() &&
r.Target.Is(vr.Target) &&
r.Flags == vr.Flags
}
func (*RemountOp) prefix() (string, bool) { return "remounting", true }
func (r *RemountOp) String() string { return fmt.Sprintf("%q flags %#x", r.Target, r.Flags) }
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