Function updateMounts

cli/command/service/update.go:927–967

(flags *pflag.FlagSet, mounts *[]mount.Mount)

}

func updateMounts(flags *pflag.FlagSet, mounts *[]mount.Mount) error {
	mountsByTarget := map[string]mount.Mount{}

	if flags.Changed(flagMountAdd) {
		values := flags.Lookup(flagMountAdd).Value.(*opts.MountOpt).Value()
		for _, mnt := range values {
			if _, ok := mountsByTarget[mnt.Target]; ok {
				return errors.New("duplicate mount target")
			}
			mountsByTarget[mnt.Target] = mnt
		}
	}

	// Add old list of mount points minus updated one.
	for _, mnt := range *mounts {
		if _, ok := mountsByTarget[mnt.Target]; !ok {
			mountsByTarget[mnt.Target] = mnt
		}
	}

	newMounts := make([]mount.Mount, 0, len(mountsByTarget))

	toRemove := buildToRemoveSet(flags, flagMountRemove)

	for _, mnt := range mountsByTarget {
		if _, exists := toRemove[mnt.Target]; !exists {
			newMounts = append(newMounts, mnt)
		}
	}
	sort.Slice(newMounts, func(i, j int) bool {
		a, b := newMounts[i], newMounts[j]

		if a.Source == b.Source {
			return a.Target < b.Target
		}

		return a.Source < b.Source
	})
	*mounts = newMounts
	return nil
}

func updateGroups(flags *pflag.FlagSet, groups *[]string) error {
	if flags.Changed(flagGroupAdd) {