FWIW (I'm not saying that the output couldn't be more helpful): I got to the conclusion of what the problem was by looking at the output of `go build` you posted:
go: finding github.com/aperum/nrpe latest It *does* tell you that it's trying to fetch a new module here and which. On Thu, Nov 28, 2019 at 10:25 AM Brian Candler <b.cand...@pobox.com> wrote: > I *think* I got to the bottom of this. It turns out the nrpe_exporter.go > main module imports some non-vendored dependencies: > > > - github.com/aperum/nrpe > - github.com/prometheus/client_golang/prometheus > - github.com/prometheus/client_golang/prometheus/promhttp > - github.com/prometheus/common/version > > > That is: they are not in the vendor/ directory and they are not listed in > vendor/vendor.json, and hence weren't imported into go.mod by go mod init. > As a result, I believe that "go build" is fetching the latest versions of > these packages, which in turn bump up dependencies of some of the other > packages we also use. > > If that's true, then I think it would be really helpful if go build (-v) > could flag when it decides to bump versions and show the reason, i.e. the > chain of dependencies which resulted in this particular version being > required. I showed the "go mod why" output before: it shows the dependency > chain, but not where the version requirements came from. I think this has > partially been raised already as https://github.com/golang/go/issues/27900 > > I can't see any versioning info from "go mod why". Again, starting with > fresh go.mod: > > ubuntu@builder:~/nrpe_exporter$ egrep 'common|kingpin' go.mod > github.com/prometheus/common v0.0.0-20170908161822-2f17f4a9d485 > gopkg.in/alecthomas/kingpin.v2 v2.2.5 > > ubuntu@builder:~/nrpe_exporter$ go mod why > *go: downloading gopkg.in/alecthomas/kingpin.v2 > <http://gopkg.in/alecthomas/kingpin.v2> v2.2.5* > *go: downloading github.com/prometheus/common > <http://github.com/prometheus/common> v0.0.0-20170908161822-2f17f4a9d485* > go: downloading github.com/go-kit/kit v0.5.1-0.20170917202734-0d313fb5fb3a > go: finding github.com/aperum/nrpe latest > *go: extracting gopkg.in/alecthomas/kingpin.v2 > <http://gopkg.in/alecthomas/kingpin.v2> v2.2.5* > go: downloading github.com/alecthomas/template > v0.0.0-20160405071501-a0175ee3bccc > go: downloading github.com/alecthomas/units > v0.0.0-20151022065526-2efee857e7cf > *go: extracting github.com/prometheus/common > <http://github.com/prometheus/common> v0.0.0-20170908161822-2f17f4a9d485* > go: downloading github.com/pkg/errors v0.8.1-0.20170910134614-2b3a18b5f0fb > go: extracting github.com/alecthomas/units > v0.0.0-20151022065526-2efee857e7cf > go: extracting github.com/go-kit/kit v0.5.1-0.20170917202734-0d313fb5fb3a > go: extracting github.com/alecthomas/template > v0.0.0-20160405071501-a0175ee3bccc > go: extracting github.com/pkg/errors v0.8.1-0.20170910134614-2b3a18b5f0fb > go: downloading github.com/go-logfmt/logfmt v0.3.0 > go: downloading github.com/go-stack/stack v1.6.0 > go: extracting github.com/go-stack/stack v1.6.0 > go: extracting github.com/go-logfmt/logfmt v0.3.0 > # github.com/RobustPerception/nrpe_exporter > github.com/RobustPerception/nrpe_exporter > > ubuntu@builder:~/nrpe_exporter$ egrep 'common|kingpin' go.mod > github.com/prometheus/common v0.7.0 > gopkg.in/alecthomas/kingpin.v2 v2.2.6 > > ubuntu@builder:~/nrpe_exporter$ go mod why github.com/prometheus/common > # github.com/prometheus/common > (main module does not need package github.com/prometheus/common) > ubuntu@builder:~/nrpe_exporter$ go mod why gopkg.in/alecthomas/kingpin.v2 > # gopkg.in/alecthomas/kingpin.v2 > github.com/RobustPerception/nrpe_exporter > gopkg.in/alecthomas/kingpin.v2 > > The first "go mod why" says "downloading gopkg.in/alecthomas/kingpin.v2 > v2.2.5". But after it has finished, it has silently updated go.mod to > depend on v2.2.6 instead. > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/9f67a777-059f-482a-9aa6-349ead6f2e8e%40googlegroups.com > <https://groups.google.com/d/msgid/golang-nuts/9f67a777-059f-482a-9aa6-349ead6f2e8e%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CAEkBMfFJm2wJ--%2BdvEvUTmZ%3Dz2hSa%3D704xcqa_0f4tRk60qpNg%40mail.gmail.com.