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37 lines
850 B
Go
37 lines
850 B
Go
package cmd
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import (
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"github.com/pkg/errors"
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"github.com/zrepl/zrepl/zfs"
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"strings"
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)
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type PrefixFilter struct {
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prefix string
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fstype zfs.VersionType
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fstypeSet bool // optionals anyone?
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}
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func NewPrefixFilter(prefix string) *PrefixFilter {
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return &PrefixFilter{prefix: prefix}
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}
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func NewTypedPrefixFilter(prefix string, versionType zfs.VersionType) *PrefixFilter {
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return &PrefixFilter{prefix, versionType, true}
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}
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func parseSnapshotPrefix(i string) (p string, err error) {
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if len(i) <= 0 {
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err = errors.Errorf("snapshot prefix must not be empty string")
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return
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}
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p = i
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return
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}
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func (f *PrefixFilter) Filter(fsv zfs.FilesystemVersion) (accept bool, err error) {
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fstypeMatches := (!f.fstypeSet || fsv.Type == f.fstype)
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prefixMatches := strings.HasPrefix(fsv.Name, f.prefix)
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return fstypeMatches && prefixMatches, nil
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}
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