func packageDir(dctx *doc.Environment, p string) string {
if strings.IndexByte(p, '.') > 0 {
// Non std package
return dctx.Join(dctx.Context.GOPATH, "src", p)
}
// Std package
if strings.HasPrefix(p, "cmd") {
return dctx.Join(dctx.Context.GOROOT, "src", p)
}
// pkg was removed from path to the source around go 1.4
stdSrc := dctx.Join(dctx.Context.GOROOT, "src", "pkg")
if !dctx.IsDir(stdSrc) {
stdSrc = dctx.Join(dctx.Context.GOROOT, "src")
}
return dctx.Join(stdSrc, p)
}
