[golist] Issue #10: unexpected directory layout (whatever that means)

[Nicolas Mailhot]

nim reported a new issue against the project: `golist` that you are following:
``
golist fails to output project go files on github.com/rubiojr/go-vhd

```sh
Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.NZHyXq
+ umask 022
+ cd /builddir/build/BUILD
+ '['
/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64
'!=' / ']'
+ rm -rf
/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64
++ dirname
/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64
+ mkdir -p /builddir/build/BUILDROOT
+ mkdir
/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64
+ cd go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b
+ go-rpm-integration install -i github.com/rubiojr/go-vhd -s
/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b -b
/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/_build -o
devel.file-list -p
/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64
-g /usr/share/gocode -r '.*example.*'
install: creating directory
'/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64/usr'
install: creating directory
'/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64/usr/share'
install: creating directory
'/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64/usr/share/gocode'
install: creating directory
'/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64/usr/share/gocode/src'
Installing: github.com/rubiojr/go-vhd
install: creating directory
'/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/_build'
install: creating directory
'/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/_build/src'
install: creating directory
'/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/_build/src/github.com'
install: creating directory
'/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/_build/src/github.com/rubiojr'
2018/03/23 16:49:12 unexpected directory layout:
        import path:
_/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/_b...
        root:
/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/_build/src
        dir:
/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/_build/src/github.com/rubiojr/go-vhd/vhd
        expand root:
/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/_build/src
        expand dir:
/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/vhd
        separator: /
install: creating directory
'/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64/usr/share/gocode/src/github.com'
install: creating directory
'/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64/usr/share/gocode/src/github.com/rubiojr'
install: creating directory
'/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64/usr/share/gocode/src/github.com/rubiojr/go-vhd'
'/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/notes.md'
->
'/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64/usr/share/gocode/src/github.com/rubiojr/go-vhd/notes.md'
'/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/README.md'
->
'/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64/usr/share/gocode/src/github.com/rubiojr/go-vhd/README.md'
'/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/.goipath'
->
'/builddir/build/BUILDROOT/golang-github-rubiojr-vhd-0-0.1.4.20180320git0bfd3b3.el7.llt.x86_64/usr/share/gocode/src/github.com/rubiojr/go-vhd/.goipath'
'/builddir/build/BUILD/go-vhd-0bfd3b39853cdde5762efda92289f14b0ac0491b/.goflags'
-> '/builddir/build
```

After much investigation in https://github.com/gofed/symbols-extractor/issues/147
it seems triggered by the `./vhd` in

```go
package main

import (
	"./vhd"
	"fmt"
        ...
)
```
https://github.com/rubiojr/go-vhd/blob/master/cli.go#L4

``

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https://pagure.io/golist/issue/10