Have you looked at this? https://github.com/mtoader/google-go-lang-idea-plugin https://github.com/mtoader/google-go-lang-idea-plugin. I haven't tried it but it'

Have you looked at this? https://github.com/mtoader/google-go-lang-idea-plugin https://github.com/mtoader/google-go-lang-idea-plugin. I haven't tried it but it's being actively developed and the feature list looks good.