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Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael) Upstream-commit: 05b611574f85c7ff7d479e04e01ac2b57b233591 Component: engine
20 lines
396 B
Go
20 lines
396 B
Go
// +build linux
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package mount
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import (
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"fmt"
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"github.com/dotcloud/docker/pkg/system"
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"syscall"
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)
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func MsMoveRoot(rootfs string) error {
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if err := system.Mount(rootfs, "/", "", syscall.MS_MOVE, ""); err != nil {
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return fmt.Errorf("mount move %s into / %s", rootfs, err)
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}
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if err := system.Chroot("."); err != nil {
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return fmt.Errorf("chroot . %s", err)
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}
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return system.Chdir("/")
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}
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