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90df511609
This is a safety measure which addresses P0 improvement for #1732. Given that retention policies that retain nothing make no sense, this is not considered a breaking change.
51 lines
2.1 KiB
Go
51 lines
2.1 KiB
Go
package cli
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import (
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"context"
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"github.com/alecthomas/kingpin"
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"github.com/kopia/kopia/snapshot/policy"
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)
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type policyRetentionFlags struct {
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policySetKeepLatest string
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policySetKeepHourly string
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policySetKeepDaily string
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policySetKeepWeekly string
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policySetKeepMonthly string
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policySetKeepAnnual string
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}
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func (c *policyRetentionFlags) setup(cmd *kingpin.CmdClause) {
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cmd.Flag("keep-latest", "Number of most recent backups to keep per source (or 'inherit')").PlaceHolder("N").StringVar(&c.policySetKeepLatest)
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cmd.Flag("keep-hourly", "Number of most-recent hourly backups to keep per source (or 'inherit')").PlaceHolder("N").StringVar(&c.policySetKeepHourly)
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cmd.Flag("keep-daily", "Number of most-recent daily backups to keep per source (or 'inherit')").PlaceHolder("N").StringVar(&c.policySetKeepDaily)
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cmd.Flag("keep-weekly", "Number of most-recent weekly backups to keep per source (or 'inherit')").PlaceHolder("N").StringVar(&c.policySetKeepWeekly)
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cmd.Flag("keep-monthly", "Number of most-recent monthly backups to keep per source (or 'inherit')").PlaceHolder("N").StringVar(&c.policySetKeepMonthly)
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cmd.Flag("keep-annual", "Number of most-recent annual backups to keep per source (or 'inherit')").PlaceHolder("N").StringVar(&c.policySetKeepAnnual)
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}
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func (c *policyRetentionFlags) setRetentionPolicyFromFlags(ctx context.Context, rp *policy.RetentionPolicy, changeCount *int) error {
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cases := []struct {
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desc string
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max **policy.OptionalInt
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flagValue string
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}{
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{"number of annual backups to keep", &rp.KeepAnnual, c.policySetKeepAnnual},
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{"number of monthly backups to keep", &rp.KeepMonthly, c.policySetKeepMonthly},
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{"number of weekly backups to keep", &rp.KeepWeekly, c.policySetKeepWeekly},
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{"number of daily backups to keep", &rp.KeepDaily, c.policySetKeepDaily},
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{"number of hourly backups to keep", &rp.KeepHourly, c.policySetKeepHourly},
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{"number of latest backups to keep", &rp.KeepLatest, c.policySetKeepLatest},
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}
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for _, c := range cases {
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if err := applyOptionalInt(ctx, c.desc, c.max, c.flagValue, changeCount); err != nil {
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return err
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}
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}
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return nil
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}
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