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info.go
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/
info.go
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package command
import (
"fmt"
"regexp"
"runtime/debug"
"strings"
"time"
"github.com/mattermost/mattermost-server/v6/model"
"github.com/pkg/errors"
)
var versionRegexp = regexp.MustCompile(`/v\d$`)
func BuildInfoAutocomplete(cmd string) *model.AutocompleteData {
return model.NewAutocompleteData(cmd, "", "Display build info")
}
func BuildInfo(manifest model.Manifest) (string, error) {
info, ok := debug.ReadBuildInfo()
if !ok {
return "", errors.New("failed to read build info")
}
var (
revision string
revisionShort string
buildTime time.Time
dirty bool
)
for _, s := range info.Settings {
switch s.Key {
case "vcs.revision":
revision = s.Value
revisionShort = revision[0:7]
case "vcs.time":
var err error
buildTime, err = time.Parse(time.RFC3339, s.Value)
if err != nil {
return "", err
}
case "vcs.modified":
if s.Value == "true" {
dirty = true
}
}
}
path := info.Main.Path
matches := versionRegexp.FindAllString(path, -1)
if len(matches) > 0 {
path = strings.TrimSuffix(path, matches[len(matches)-1])
}
dirtyText := ""
if dirty {
dirtyText = " (dirty)"
}
commit := fmt.Sprintf("[%s](https://%s/commit/%s)", revisionShort, path, revision)
return fmt.Sprintf("%s version: %s, %s%s, built %s with %s\n",
manifest.Name,
manifest.Version,
commit,
dirtyText,
buildTime.Format(time.RFC1123),
info.GoVersion),
nil
}