try "go version -m"
On Tuesday, November 2, 2021 at 8:18:15 PM UTC+3 Michel Casabianca wrote:
> Hi gophers,
>
> I would like to know which dependencies are embedded in generated Go
> binary, along with their version. I though at first that they were listed
> in *go.sum* file, but it seems that this is not the case.
>
> I found two different ways to do so:
> - Running "go version -m my-binary"
> - Calling runtime.debug API in my code, as follows:
>
> func buildInfo() {
> buildInfo, ok := debug.ReadBuildInfo()
> if !ok {
> panic("Can't read BuildInfo")
> }
> fmt.Println("Dependencies:")
> for _, dep := range buildInfo.Deps {
> fmt.Printf(" %s %s\n", dep.Path, dep.Version)
> }
> }
>
> func main() {
> // print build info if -info passed on command line
> if len(os.Args) > 1 && os.Args[1] == "-info" {
> buildInfo()
> os.Exit(0)
> }
> ...
> }
>
> These two methods produce the same list. Does anyone confirm that this is
> the way to list embedded dependencies in a Go binary?
>
> Another question related to this one:
>
> Let's say I use dependencies A and B that both use C in two different
> versions. According to my own experience, it seems that Go will embed only
> one of these versions, the latest one. Is this correct?
>
> Best regards
>
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