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September 14, 2020 18:54
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| package main │············································································································ | |
| │············································································································ | |
| import ( │············································································································ | |
| "fmt" │············································································································ | |
| "sort" │············································································································ | |
| │············································································································ | |
| "github.com/Masterminds/semver" │············································································································ | |
| "github.com/google/go-containerregistry/pkg/name" │············································································································ | |
| "github.com/google/go-containerregistry/pkg/v1/remote" │············································································································ | |
| ) │············································································································ | |
| │············································································································ | |
| func main() { │············································································································ | |
| │············································································································ | |
| registry, err := name.NewRegistry("gcr.io") │············································································································ | |
| if err != nil { │············································································································ | |
| panic(err) │············································································································ | |
| } │············································································································ | |
| │············································································································ | |
| repo, err := name.NewRepository("paketo-buildpacks/go") │············································································································ | |
| if err != nil { │············································································································ | |
| panic(err) │············································································································ | |
| } │············································································································ | |
| │············································································································ | |
| repo.Registry = registry │············································································································ | |
| │············································································································ | |
| tags, err := remote.List(repo) │············································································································ | |
| if err != nil { │············································································································ | |
| panic(err) │············································································································ | |
| } │············································································································ | |
| fmt.Println(tags) │············································································································ | |
| │············································································································ | |
| vs := make([]*semver.Version, len(tags)) │············································································································ | |
| for i, r := range tags { │············································································································ | |
| if r == "latest" { │············································································································ | |
| r = "0.0.0" │············································································································ | |
| } │············································································································ | |
| v, err := semver.NewVersion(r) │············································································································ | |
| if err != nil { │············································································································ | |
| panic(err) │············································································································ | |
| } │············································································································ | |
| │············································································································ | |
| vs[i] = v │············································································································ | |
| } │············································································································ | |
| sort.Sort(semver.Collection(vs)) │············································································································ | |
| fmt.Println(vs) │············································································································ | |
| │············································································································ | |
| fmt.Println(vs[len(vs)-1]) │············································································································ | |
| } |
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