helm/pkg/release/util/sorter.go
Matt Farina 18ca7c1002
Move pkg/releaseutil to pkg/release/util
The releaseutil package was originally designed to work against a
generated codebase from a protobuf in Helm v2. This is when Helm
used gRPC to communicate to a server side component named Tiller.
When Helm moved everything client side, this package remained and
it supported the release package.

This change moves releaseutil to be a sub-packge of release. This
is part of the change to support apiVersion v3 charts which is
documented in HIP 20

Signed-off-by: Matt Farina <matt.farina@suse.com>
2025-02-24 14:58:51 -05:00

78 lines
2.1 KiB
Go

/*
Copyright The Helm Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package util // import "helm.sh/helm/v4/pkg/release/util"
import (
"sort"
rspb "helm.sh/helm/v4/pkg/release"
)
type list []*rspb.Release
func (s list) Len() int { return len(s) }
func (s list) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
// ByName sorts releases by name
type ByName struct{ list }
// Less compares to releases
func (s ByName) Less(i, j int) bool { return s.list[i].Name < s.list[j].Name }
// ByDate sorts releases by date
type ByDate struct{ list }
// Less compares to releases
func (s ByDate) Less(i, j int) bool {
ti := s.list[i].Info.LastDeployed.Unix()
tj := s.list[j].Info.LastDeployed.Unix()
return ti < tj
}
// ByRevision sorts releases by revision number
type ByRevision struct{ list }
// Less compares to releases
func (s ByRevision) Less(i, j int) bool {
return s.list[i].Version < s.list[j].Version
}
// Reverse reverses the list of releases sorted by the sort func.
func Reverse(list []*rspb.Release, sortFn func([]*rspb.Release)) {
sortFn(list)
for i, j := 0, len(list)-1; i < j; i, j = i+1, j-1 {
list[i], list[j] = list[j], list[i]
}
}
// SortByName returns the list of releases sorted
// in lexicographical order.
func SortByName(list []*rspb.Release) {
sort.Sort(ByName{list})
}
// SortByDate returns the list of releases sorted by a
// release's last deployed time (in seconds).
func SortByDate(list []*rspb.Release) {
sort.Sort(ByDate{list})
}
// SortByRevision returns the list of releases sorted by a
// release's revision number (release.Version).
func SortByRevision(list []*rspb.Release) {
sort.Sort(ByRevision{list})
}