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cmd/go: provide way to get list of modules without test only modules #28210

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heppu opened this issue Oct 15, 2018 · 3 comments

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commented Oct 15, 2018

What version of Go are you using (go version)?

go version go1.11.1 linux/amd64

Does this issue reproduce with the latest release?

Yes

What operating system and processor architecture are you using (go env)?

GOARCH="amd64"
GOBIN="/home/heppu/go/bin"
GOCACHE="/home/heppu/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/heppu/go"
GOPROXY=""
GORACE=""
GOROOT="/usr/lib/go"
GOTMPDIR=""
GOTOOLDIR="/usr/lib/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build661079665=/tmp/go-build -gno-record-gcc-switches"

What did you do?

Tried to list all third party modules with version excluding once that are used only for testing.

What did you expect to see?

Some field that would allow me to exclude modules that are used only for testing like this:

go list -mod=vendor -m -f '{{ if not .TestOnly}}{{.Path}} {{.Version}}{{end}}' ...

What did you see instead?

List of all modules my project uses also including test dependencies for third party modules.

Background

Company I'm working for would like to move from glide to go modules because it allows us to update one dependency at a time and and also define rules like:

replace (
	legacy.server.com/some/dep => legacy.server.com/some/dep.git
)

Only problem now is that in CI pipe we need to do some checks for these dependencies that end up in final build and with go modules there is currently no easy way to get this information. I did build small tool with using go/build to get list of these dependencies and then cross reference that with go.mod but to me it feels like this should be part of tooling it self.

@FiloSottile FiloSottile changed the title Provide way to get list of modules without test only modules cmd/go: provide way to get list of modules without test only modules Oct 15, 2018

@FiloSottile FiloSottile added this to the Go1.12 milestone Oct 15, 2018

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commented Oct 15, 2018

/cc @bcmills

@myitcv

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commented Oct 15, 2018

Probably a dup of #26955?

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commented Nov 5, 2018

I'm going to close this as a dup of #26955 but also note that in the meantime you can:

$ go list -deps -f "{{if not .Standard}}{{.Module.Path}}{{end}}" ./... | sort | uniq

You can of course use -mod=vendor with the above, and use any package specification in place of ./....

@myitcv myitcv closed this Nov 5, 2018

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