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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package cmd
import (
"encoding/json"
"log"
"net/http"
"os"
"path/filepath"
"runtime"
"sort"
"strings"
"time"
"github.com/fatih/color"
"github.com/spf13/cobra"
"github.com/vespa-engine/vespa/client/go/internal/build"
"github.com/vespa-engine/vespa/client/go/internal/version"
)
func newVersionCmd(cli *CLI) *cobra.Command {
var skipVersionCheck bool
cmd := &cobra.Command{
Use: "version",
Short: "Show current version and check for updates",
DisableAutoGenTag: true,
SilenceUsage: true,
Args: cobra.ExactArgs(0),
RunE: func(cmd *cobra.Command, args []string) error {
log.Printf("Vespa CLI version %s compiled with %v on %v/%v", build.Version, runtime.Version(), runtime.GOOS, runtime.GOARCH)
if !skipVersionCheck && cli.isTerminal() {
return checkVersion(cli)
}
return nil
},
}
cmd.Flags().BoolVarP(&skipVersionCheck, "no-check", "n", false, "Do not check if a new version is available")
return cmd
}
func checkVersion(cli *CLI) error {
current, err := version.Parse(build.Version)
if err != nil {
return err
}
latest, err := latestRelease(cli)
if err != nil {
return err
}
if !current.Less(latest.Version) {
return nil
}
usingHomebrew := usingHomebrew(cli)
if usingHomebrew && latest.isRecent() {
return nil // Allow some time for new release to appear in Homebrew repo
}
log.Printf("\nNew release available: %s", color.GreenString(latest.Version.String()))
log.Printf("https://github.com/vespa-engine/vespa/releases/tag/v%s", latest.Version)
if usingHomebrew {
log.Printf("\nUpgrade by running:\n%s", color.CyanString("brew update && brew upgrade vespa-cli"))
}
return nil
}
func latestRelease(cli *CLI) (release, error) {
req, err := http.NewRequest("GET", "https://api.github.com/repos/vespa-engine/vespa/releases", nil)
if err != nil {
return release{}, err
}
response, err := cli.httpClient.Do(req, time.Minute)
if err != nil {
return release{}, err
}
defer response.Body.Close()
var ghReleases []githubRelease
dec := json.NewDecoder(response.Body)
if err := dec.Decode(&ghReleases); err != nil {
return release{}, err
}
if len(ghReleases) == 0 {
return release{}, nil // No releases found
}
var releases []release
for _, r := range ghReleases {
v, err := version.Parse(r.TagName)
if err != nil {
return release{}, err
}
publishedAt, err := time.Parse(time.RFC3339, r.PublishedAt)
if err != nil {
return release{}, err
}
releases = append(releases, release{Version: v, PublishedAt: publishedAt})
}
sort.Slice(releases, func(i, j int) bool { return releases[i].Version.Less(releases[j].Version) })
return releases[len(releases)-1], nil
}
func usingHomebrew(cli *CLI) bool {
selfPath, err := cli.exec.LookPath("vespa")
if err != nil {
return false
}
brewPrefix, err := cli.exec.Run("brew", "--prefix")
if err != nil {
return false
}
brewBin := filepath.Join(strings.TrimSpace(string(brewPrefix)), "bin") + string(os.PathSeparator)
return strings.HasPrefix(selfPath, brewBin)
}
type githubRelease struct {
TagName string `json:"tag_name"`
PublishedAt string `json:"published_at"`
}
type release struct {
Version version.Version
PublishedAt time.Time
}
func (r release) isRecent() bool {
return time.Now().Before(r.PublishedAt.Add(time.Hour * 24))
}
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