read remotes URLs with `remote -v` instead of git-config

When reading config, "insteadOf" substitution rules aren't applied.
Using `git remote -v` is better because it reports the URLs that would
actually be used by git.

This reverts the feature that supports detecting the GitHub URL among
multiple others made for #59. If you have multiple URLs configured for
the same remote, put the GitHub one first and you'll be fine.

Fixes #241

features/pull_request.feature

+Feature: hub pull-request
+  Background:
+    Given I am in "dotfiles" git repo
+    And I am "mislav" on github.com with OAuth token "OTOKEN"
+
+  Scenario: Non-GitHub repo
+    Given the "origin" remote has url "mygh:Manganeez/repo.git"
+    When I run `hub pull-request`
+    Then the stderr should contain "Aborted: the origin remote doesn't point to a GitHub repository.\n"
+    And the exit status should be 1
+
+  Scenario: Create pull request respecting "insteadOf" configuration
+    Given the "origin" remote has url "mygh:Manganeez/repo.git"
+    When I successfully run `git config url."git@github.com:".insteadOf mygh:`
+    Given the GitHub API server:
+      """
+      post('/repos/Manganeez/repo/pulls') {
+        { :base  => 'master',
+          :head  => 'mislav:master',
+          :title => 'hereyougo'
+        }.each do |param, value|
+          if params[param] != value
+            halt 422, json(
+              :message => "expected %s to be %s; got %s" % [
+                param.inspect,
+                value.inspect,
+                params[param].inspect
+              ]
+            )
+          end
+        end
+        json :html_url => "https://github.com/Manganeez/repo/pull/12"
+      }
+      """
+    When I successfully run `hub pull-request hereyougo`
+    Then the output should contain exactly "https://github.com/Manganeez/repo/pull/12\n"

lib/hub/context.rb

@@ -331,7 +331,7 @@ module Hub
       end
 
       def project
-        urls.each { |url|
+        urls.each_value { |url|
           if valid = GithubProject.from_url(url, local_repo)
             return valid
           end
@@ -340,15 +340,21 @@ module Hub
       end
 
       def urls
-        @urls ||= local_repo.git_config("remote.#{name}.url", :all).to_s.split("\n").map { |uri|
-          begin
-            if uri =~ %r{^[\w-]+://}    then uri_parse(uri)
-            elsif uri =~ %r{^([^/]+?):} then uri_parse("ssh://#{$1}/#{$'}")  # scp-like syntax
+        return @urls if defined? @urls
+        @urls = {}
+        local_repo.git_command('remote -v').to_s.split("\n").map do |line|
+          next if line !~ /^(.+?)\t(.+) \((.+)\)$/
+          remote, uri, type = $1, $2, $3
+          next if remote != self.name
+          if uri =~ %r{^[\w-]+://} or uri =~ %r{^([^/]+?):}
+            uri = "ssh://#{$1}/#{$'}" if $1
+            begin
+              @urls[type] = uri_parse(uri)
+            rescue URI::InvalidURIError
             end
-          rescue URI::InvalidURIError
-            nil
           end
-        }.compact
+        end
+        @urls
       end
 
       def uri_parse uri

test/hub_test.rb

@@ -74,8 +74,7 @@ class HubTest < Test::Unit::TestCase
     @git_reader.stub! \
       'remote' => "mislav\norigin",
       'symbolic-ref -q HEAD' => 'refs/heads/master',
-      'config --get-all remote.origin.url' => 'git://github.com/defunkt/hub.git',
-      'config --get-all remote.mislav.url' => 'git://github.com/mislav/hub.git',
+      'remote -v' => "origin\tgit://github.com/defunkt/hub.git (fetch)\nmislav\tgit://github.com/mislav/hub.git (fetch)",
       'rev-parse --symbolic-full-name master@{upstream}' => 'refs/remotes/origin/master',
       'config --get --bool hub.http-clone' => 'false',
       'config --get hub.protocol' => nil,
@@ -641,11 +640,6 @@ class HubTest < Test::Unit::TestCase
     assert_forwarded 'name'
   end
 
-  def test_multiple_remote_urls
-    stub_repo_url("git://example.com/other.git\ngit://github.com/my/repo.git")
-    assert_command "browse", "open https://github.com/my/repo"
-  end
-
   def test_global_flags_preserved
     cmd = '--no-pager --bare -c core.awesome=true -c name=value --git-dir=/srv/www perform'
     assert_command cmd, 'git --bare -c core.awesome=true -c name=value --git-dir=/srv/www --no-pager perform'
@@ -655,7 +649,7 @@ class HubTest < Test::Unit::TestCase
   private
 
     def stub_repo_url(value, remote_name = 'origin')
-      stub_config_value "remote.#{remote_name}.url", value, '--get-all'
+      stub_command_output 'remote -v', "#{remote_name}\t#{value} (fetch)"
     end
 
     def stub_branch(value)