75d54d720c
We were already importing go-semver so it makes sense to remove the duplicated semver parsing code and just use go-semver
140 lines
3.2 KiB
Go
140 lines
3.2 KiB
Go
package version
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"strings"
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"time"
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"github.com/coreos/go-semver/semver"
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"github.com/pkg/errors"
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"github.com/rclone/rclone/cmd"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fs/config/flags"
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"github.com/spf13/cobra"
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)
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var (
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check = false
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)
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func init() {
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cmd.Root.AddCommand(commandDefinition)
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cmdFlags := commandDefinition.Flags()
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flags.BoolVarP(cmdFlags, &check, "check", "", false, "Check for new version.")
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}
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var commandDefinition = &cobra.Command{
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Use: "version",
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Short: `Show the version number.`,
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Long: `
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Show the version number, the go version and the architecture.
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Eg
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$ rclone version
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rclone v1.41
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- os/arch: linux/amd64
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- go version: go1.10
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If you supply the --check flag, then it will do an online check to
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compare your version with the latest release and the latest beta.
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$ rclone version --check
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yours: 1.42.0.6
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latest: 1.42 (released 2018-06-16)
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beta: 1.42.0.5 (released 2018-06-17)
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Or
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$ rclone version --check
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yours: 1.41
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latest: 1.42 (released 2018-06-16)
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upgrade: https://downloads.rclone.org/v1.42
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beta: 1.42.0.5 (released 2018-06-17)
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upgrade: https://beta.rclone.org/v1.42-005-g56e1e820
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`,
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Run: func(command *cobra.Command, args []string) {
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cmd.CheckArgs(0, 0, command, args)
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if check {
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checkVersion()
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} else {
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cmd.ShowVersion()
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}
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},
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}
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// strip a leading v off the string
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func stripV(s string) string {
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if len(s) > 0 && s[0] == 'v' {
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return s[1:]
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}
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return s
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}
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// getVersion gets the version by checking the download repository passed in
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func getVersion(url string) (v *semver.Version, vs string, date time.Time, err error) {
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resp, err := http.Get(url)
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if err != nil {
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return v, vs, date, err
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}
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defer fs.CheckClose(resp.Body, &err)
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if resp.StatusCode != http.StatusOK {
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return v, vs, date, errors.New(resp.Status)
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}
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bodyBytes, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return v, vs, date, err
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}
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vs = strings.TrimSpace(string(bodyBytes))
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if strings.HasPrefix(vs, "rclone ") {
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vs = vs[7:]
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}
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vs = strings.TrimRight(vs, "β")
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date, err = http.ParseTime(resp.Header.Get("Last-Modified"))
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if err != nil {
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return v, vs, date, err
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}
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v, err = semver.NewVersion(stripV(vs))
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return v, vs, date, err
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}
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// check the current version against available versions
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func checkVersion() {
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// Get Current version
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vCurrent, err := semver.NewVersion(stripV(fs.Version))
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if err != nil {
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fs.Errorf(nil, "Failed to parse version: %v", err)
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}
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const timeFormat = "2006-01-02"
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printVersion := func(what, url string) {
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v, vs, t, err := getVersion(url + "version.txt")
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if err != nil {
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fs.Errorf(nil, "Failed to get rclone %s version: %v", what, err)
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return
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}
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fmt.Printf("%-8s%-40v %20s\n",
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what+":",
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v,
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"(released "+t.Format(timeFormat)+")",
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)
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if v.Compare(*vCurrent) > 0 {
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fmt.Printf(" upgrade: %s\n", url+vs)
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}
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}
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fmt.Printf("yours: %-13s\n", vCurrent)
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printVersion(
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"latest",
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"https://downloads.rclone.org/",
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)
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printVersion(
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"beta",
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"https://beta.rclone.org/",
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)
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if strings.HasSuffix(fs.Version, "-DEV") {
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fmt.Println("Your version is compiled from git so comparisons may be wrong.")
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}
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}
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