Improve `hub create` dealing with an existing "origin" remote

- No longer says "updating git remote", but not actually doing anything
- Shows a helpful warning about "origin" pointing to a possibly unrelated repo

commands/create.go

@@ -117,7 +117,7 @@ func create(command *Command, args *Args) {
 				err = fmt.Errorf("Repository '%s' already exists and is public", repo.FullName)
 				utils.Check(err)
 			} else {
-				ui.Errorln("Existing repository detected. Updating git remote")
+				ui.Errorln("Existing repository detected")
 				project = foundProject
 			}
 		} else {
@@ -138,10 +138,15 @@ func create(command *Command, args *Args) {
 	localRepo, err := github.LocalRepo()
 	utils.Check(err)
 
-	remote, _ := localRepo.OriginRemote()
+	originName := "origin"
-	if remote == nil || remote.Name != "origin" {
+	if originRemote, err := localRepo.RemoteByName(originName); err == nil {
+		originProject, err := originRemote.Project()
+		if err != nil || !originProject.SameAs(project) {
+			ui.Errorf(`A git remote named "%s" already exists and is set to push to '%s'.\n`, originRemote.Name, originRemote.PushURL)
+		}
+	} else {
 		url := project.GitURL("", "", true)
-		args.Before("git", "remote", "add", "-f", "origin", url)
+		args.Before("git", "remote", "add", "-f", originName, url)
 	}
 
 	webUrl := project.WebURL("", "", "")

features/create.feature

@@ -111,6 +111,7 @@ Feature: hub create
     And the "origin" remote has url "git://github.com/mislav/dotfiles.git"
     When I successfully run `hub create`
     Then the url for "origin" should be "git://github.com/mislav/dotfiles.git"
+    And the output should contain exactly "https://github.com/mislav/dotfiles\n"
 
   Scenario: Unrelated origin remote already exists
     Given the GitHub API server:
@@ -122,8 +123,12 @@ Feature: hub create
       """
     And the "origin" remote has url "git://example.com/unrelated.git"
     When I successfully run `hub create`
-    Then the output should contain exactly "https://github.com/mislav/dotfiles\n"
+    Then the url for "origin" should be "git://example.com/unrelated.git"
-    And the url for "origin" should be "git://example.com/unrelated.git"
+    And the stdout should contain exactly "https://github.com/mislav/dotfiles\n"
+    And the stderr should contain exactly:
+      """
+      A git remote named "origin" already exists and is set to push to 'git://example.com/unrelated.git'.\n
+      """
 
   Scenario: Another remote already exists
     Given the GitHub API server:
@@ -145,7 +150,7 @@ Feature: hub create
       }
       """
     When I successfully run `hub create`
-    Then the output should contain "Existing repository detected. Updating git remote\n"
+    Then the output should contain "Existing repository detected\n"
     And the url for "origin" should be "git@github.com:mislav/dotfiles.git"
 
   Scenario: GitHub repo already exists and is not private

github/localrepo.go

@@ -170,10 +170,6 @@ func (r *GitHubRepo) RemoteForRepo(repo *Repository) (*Remote, error) {
 	return nil, fmt.Errorf("could not find git remote for %s/%s", repo.Owner.Login, repo.Name)
 }
 
-func (r *GitHubRepo) OriginRemote() (remote *Remote, err error) {
-	return r.RemoteByName("origin")
-}
-
 func (r *GitHubRepo) MainRemote() (remote *Remote, err error) {
 	r.loadRemotes()
 

github/localrepo_test.go

@@ -5,21 +5,8 @@ import (
 	"testing"
 
 	"github.com/bmizerany/assert"
-	"github.com/github/hub/fixtures"
 )
 
-func TestGitHubRepo_OriginRemote(t *testing.T) {
-	repo := fixtures.SetupTestRepo()
-	defer repo.TearDown()
-
-	localRepo, _ := LocalRepo()
-	gitRemote, _ := localRepo.OriginRemote()
-	assert.Equal(t, "origin", gitRemote.Name)
-
-	u, _ := url.Parse(repo.Remote)
-	assert.Equal(t, u, gitRemote.URL)
-}
-
 func TestGitHubRepo_remotesForPublish(t *testing.T) {
 	url, _ := url.Parse("ssh://git@github.com/Owner/repo.git")
 	remotes := []Remote{