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nix-community / gomod2nix

Convert applications using Go modules to Nix expressions [maintainer=@adisbladis]

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Go deps in preBuild

gregismotion opened this issue · comments

commented

Is your feature request related to a problem? Please describe.
I want to generate some files with go but the dependencies are needed for it.

Describe the solution you'd like
Somehow be able to access go deps in the preBuild phase.

Describe alternatives you've considered
Completely rewriting buildPhase in my flake. Kinda a bad solution.

commented

Tried adding a postGo hook, but the same issue arises. Is the problem with using go generate generate.go?

commented

When I run go generate generate.go in nix develop I see:

go: downloading golang.org/x/tools v0.1.10
go: downloading golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3
commented

I realised that generate.go is just a glorified bash script. I ran them manually. I also need to build a Go project to get a binary needed for even more generation. That gives me these errors:

+ go build .
../protoc-base/templates.go:9:2: cannot find package "." in:
        /build/source/gopath/src/github.com/zitadel/zitadel/vendor/github.com/Masterminds/sprig
../protoc-base/protoc_helper.go:12:2: cannot find package "." in:
        /build/source/gopath/src/github.com/zitadel/zitadel/vendor/github.com/golang/glog
../protoc-base/protoc_helper.go:13:2: cannot find package "." in:
        /build/source/gopath/src/github.com/zitadel/zitadel/vendor/github.com/golang/protobuf/proto
../protoc-base/protoc_helper.go:14:2: cannot find package "." in:
        /build/source/gopath/src/github.com/zitadel/zitadel/vendor/github.com/golang/protobuf/protoc-gen-go/>
../protoc-base/protoc_helper.go:15:2: cannot find package "." in:
        /build/source/gopath/src/github.com/zitadel/zitadel/vendor/github.com/grpc-ecosystem/grpc-gateway/pr>
../protoc-base/templates.go:12:2: cannot find package "." in:
        /build/source/gopath/src/github.com/zitadel/zitadel/vendor/golang.org/x/tools/imports
authoption/options.pb.go:10:2: cannot find package "." in:
        /build/source/gopath/src/github.com/zitadel/zitadel/vendor/google.golang.org/protobuf/reflect/protor>
authoption/options.pb.go:11:2: cannot find package "." in:
        /build/source/gopath/src/github.com/zitadel/zitadel/vendor/google.golang.org/protobuf/runtime/protoi>
authoption/options.pb.go:12:2: cannot find package "." in:
        /build/source/gopath/src/github.com/zitadel/zitadel/vendor/google.golang.org/protobuf/types/descript>
/build/source/gopath/src/github.com/zitadel/zitadel /build/source

Maybe I should try making a whole new derivation for this binary. That sounds like the good pathway. If that works, this whole issue is resolved.

commented

I did it the above mentioned way.