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48 lines
972 B
Go
48 lines
972 B
Go
2 years ago
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package cli
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import (
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"fmt"
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"io/ioutil"
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"strings"
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"github.com/Masterminds/semver"
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"github.com/k0kubun/go-ansi"
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"github.com/urfave/cli/v2"
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)
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func list(*cli.Context) (err error) {
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infos, err := ioutil.ReadDir(versionsDir)
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if err != nil || len(infos) <= 0 {
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fmt.Printf("No version installed yet\n\n")
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return nil
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}
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items := make([]*semver.Version, 0, len(infos))
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for i := range infos {
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if !infos[i].IsDir() {
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continue
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}
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vname := infos[i].Name()
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var idx int
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if strings.Contains(vname, "alpha") {
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idx = strings.Index(vname, "alpha")
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} else if strings.Contains(vname, "beta") {
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idx = strings.Index(vname, "beta")
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} else if strings.Contains(vname, "rc") {
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idx = strings.Index(vname, "rc")
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}
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if idx > 0 {
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vname = vname[:idx] + "-" + vname[idx:]
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}
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v, err := semver.NewVersion(vname)
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if err != nil || v == nil {
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continue
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}
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items = append(items, v)
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}
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render(inuse(goroot), items, ansi.NewAnsiStdout())
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return nil
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}
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