ceremonyclient/go-libp2p/p2p/protocol/identify/user_agent.go

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2023-08-21 03:50:38 +00:00
package identify
import (
"fmt"
"runtime/debug"
)
func init() {
bi, ok := debug.ReadBuildInfo()
if !ok {
return
}
version := bi.Main.Version
// version will only be non-empty if built as a dependency of another module
if version == "" {
return
}
if version != "(devel)" {
defaultUserAgent = fmt.Sprintf("%s@%s", bi.Main.Path, bi.Main.Version)
return
}
var revision string
var dirty bool
for _, bs := range bi.Settings {
switch bs.Key {
case "vcs.revision":
revision = bs.Value
if len(revision) > 9 {
revision = revision[:9]
}
case "vcs.modified":
if bs.Value == "true" {
dirty = true
}
}
}
defaultUserAgent = fmt.Sprintf("%s@%s", bi.Main.Path, revision)
if dirty {
defaultUserAgent += "-dirty"
}
}