Go build not finding vendor packages ensured with dep

Question

I'm running into an error where vendor packages are not being correctly resolved by go; on macOS High Sierra 10.13.6. I'll use github.com/gorilla/mux as an example package

$ echo $GOPATH
/Users/gregorysims/go

$ go version
go version go1.11 darwin/amd64 

$ go env
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/gregorysims/Library/Caches/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOOS="darwin"
GOPATH="/Users/gregorysims/go"
GOPROXY=""
GORACE=""
GOROOT="/usr/local/go"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
GCCGO="gccgo"
CC="clang"
CXX="clang++"
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 -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/tb/6c5vksm558q5q4t0fxfscgy80000gp/T/go-build409352678=/tmp/go-build -gno-record-gcc-switches -fno-common"

I'm importing the package with

import (
    ...
    "github.com/gorilla/mux"
    ...
)

When running:

go build -o out main.go

I get the following error for each package in vendor

main.go:6:2: cannot find package "_/Users/gregorysims/go/src/site/user/project/vendor/github.com/gorilla/mux" in any of:
/usr/local/go/src/_/Users/gregorysims/go/src/site/user/project/vendor/github.com/gorilla/mux (from $GOROOT)
/Users/gregorysims/go/src/_/Users/gregorysims/go/src/site/user/project/vendor/github.com/gorilla/mux (from $GOPATH)

The folder should be found at

/Users/gregorysims/go/src/site/user/project/vendor/github.com/gorilla/mux

and is present in the directory.

Why is this being prefixed the following?

/Users/gregorysims/go/src/_

UPDATE

After deleting the local project and recloning from remote, I attempted to build without having any of the dependencies downloaded. This had the expected output:

main.go:6:2: cannot find package "github.com/gorilla/mux" in any of:
/usr/local/go/src/github.com/gorilla/mux (from $GOROOT)
/Users/gregorysims/go/src/github.com/gorilla/mux (from $GOPATH)

The above error is produced only after the build command is run after dep ensure is run.

UPDATE 2

Creating an empty vendor directory changes the output to:

main.go:6:2: cannot find package "github.com/gorilla/mux" in any of:
/Users/gregorysims/go/src/site/user/project/vendor/github.com/gorilla/mux (vendor tree)
/usr/local/go/src/github.com/gorilla/mux (from $GOROOT)
/Users/gregorysims/go/src/github.com/gorilla/mux (from $GOPATH)

Update 3

To simulate dep I called go get github.com/gorilla/mux followed by:

mv $GOPATH/src/github.com/gorilla/mux $GOPATH/src/site/user/project/vendor/github.com/gorilla/mux

After doing so, the problem surfaces again.

@KedarnagMukanahallipatna Building after running that produces the exact same error — Gregory Sims, Aug 23 '18 at 11:54
To note, I also attempted to build in a Docker container to try to rule out if it was my environment which was causing the problem. I get the same error (but with paths slightly changed) in a Docker container based on golang:latest — Gregory Sims, Aug 23 '18 at 12:03
@mh-cbon I've added the `go env` output to the main post. 1311 doesn't appear to address the issue as the project is already in the GOPATH. — Gregory Sims, Aug 28 '18 at 10:06
@KedarnagMukanahallipatna `go run main.go` runs as expected if I comment code relevant to imports. — Gregory Sims, Aug 28 '18 at 10:10
@mh-cbon Although, installing from the pkg on golang.org and the command line in the dep readme gives the same result. — Gregory Sims, Aug 28 '18 at 10:29
are you sure you have no import statement using the string "_/Users/gregorysims/go/src/site/user/project/vendor/github.com/gorilla/mux" ? Because when i look to the error message it really looks likes you have this somewhere in the code. — , Aug 28 '18 at 10:52
@mh-cbon A search through all the files shows that it doesn't exist anywhere, all imports are: "github.com/gorilla/mux" — Gregory Sims, Aug 28 '18 at 10:58
After deleting and recloning the repository, so there are no dependencies are downloaded anywhere. I can build with expected results, see the main post for full update — Gregory Sims, Aug 28 '18 at 15:20
This could be **off-topic**, have you considered using [gvm](https://github.com/moovweb/gvm) — Kedarnag Mukanahallipatna, Aug 29 '18 at 02:31
@KedarnagMukanahallipatna this error also occurs with gvm, just with different paths — Gregory Sims, Aug 29 '18 at 09:45

Go build not finding vendor packages ensured with dep

0 Answers0