Dep strangeness

Gopkg.toml

# Gopkg.toml example
#
# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
# for detailed Gopkg.toml documentation.
#
# required = ["github.com/user/thing/cmd/thing"]
# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
#
# [[constraint]]
#   name = "github.com/user/project"
#   version = "1.0.0"
#
# [[constraint]]
#   name = "github.com/user/project2"
#   branch = "dev"
#   source = "github.com/myfork/project2"
#
# [[override]]
#  name = "github.com/x/y"
#  version = "2.4.0"


[[constraint]]
  name = "github.com/jinzhu/gorm"
  version = "1.0.0"

[[constraint]]
  name = "github.com/mattn/go-sqlite3"
  version = "1.4.0"

[[constraint]]
  name = "github.com/qor/admin"
  revision = "009cc1290581761ac6fe8c837681c03891c27368"

[[constraint]]
  name = "github.com/qor/render"
  revision = "63566e46f01b134ae9882a59a06518e82a903231"

[[constraint]]
  name = "github.com/qor/responder"
  revision = "b6def473574f621fee316696ad120d4fbf470826"

[[constraint]]
  name = "github.com/qor/redirect_back"
  revision = "b4161ed6f84819fb3a2d13d5c9e6872ef76d8128"

[[constraint]]
  name = "github.com/qor/roles"
  revision = "d6375609fe3e5da46ad3a574fae244fb633e79c1"

[[constraint]]
  name = "github.com/qor/qor"
  revision = "1c17696527773fa844a809b0ff06f79559f4d336"

[[constraint]]
  name = "github.com/qor/validations"
  revision = "f364bca61b46bd48a5e32552a37758864fdf005d"

main.go

package main

import (
	"fmt"
	"net/http"

	"github.com/jinzhu/gorm"
	_ "github.com/mattn/go-sqlite3"
	"github.com/qor/admin"
	"github.com/qor/auth"
	"github.com/qor/qor"
)

// Create a GORM-backend model
type User struct {
	gorm.Model
	Name string
}

// Create another GORM-backend model
type Product struct {
	gorm.Model
	Name        string
	Description string
}

func main() {
	DB, _ := gorm.Open("sqlite3", "demo.db")
	DB.AutoMigrate(&User{}, &Product{})

	// Initalize
	Admin := admin.New(&qor.Config{DB: DB})

	// Allow to use Admin to manage User, Product
	Admin.AddResource(&User{})
	Admin.AddResource(&Product{})

	// Initialize Auth
	Auth := auth.New(&auth.Config{DB: DB})

	// initalize an HTTP request multiplexer
	mux := http.NewServeMux()

	// Mount admin interface to mux
	Admin.MountTo("/admin", mux)

	fmt.Println("Listening on: 9000")
	http.ListenAndServe(":9000", mux)
}