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moby--moby/daemon/archive_unix.go

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// +build !windows
package daemon
// checkIfPathIsInAVolume checks if the path is in a volume. If it is, it
// cannot be in a read-only volume. If it is not in a volume, the container
// cannot be configured with a read-only rootfs.
func checkIfPathIsInAVolume(container *Container, absPath string) (bool, error) {
var toVolume bool
for _, mnt := range container.MountPoints {
if toVolume = mnt.hasResource(absPath); toVolume {
if mnt.RW {
break
}
return false, ErrVolumeReadonly
}
}
return toVolume, nil
}