[pr show] reformat tests

features/pr-show.feature

 Feature: hub pr show
-    Background:
-        Given I am in "git://github.com/ashemesh/hub.git" git repo
-        And I am "ashemesh" on github.com with OAuth token "OTOKEN"
+  Background:
+    Given I am in "git://github.com/ashemesh/hub.git" git repo
+    And I am "ashemesh" on github.com with OAuth token "OTOKEN"
 
-    Scenario: Open Current Branch Pull Request
-        Given I am on the "topic" branch
-        Given the GitHub API server:
-            """
-            get('/repos/ashemesh/hub/pulls'){
-                assert  :state => "open",
-                        :head => "ashemesh:topic"
-                json [
-                    {
-                        :html_url => "https://github.com/ashemesh/hub/pull/1",
-                    },
-                ]
-            }
-            """
-        When I successfully run `hub pr show`
-        Then "open https://github.com/ashemesh/hub/pull/1" should be run
+  Scenario: Current branch
+    Given I am on the "topic" branch
+    Given the GitHub API server:
+      """
+      get('/repos/ashemesh/hub/pulls'){
+        assert :state => "open",
+               :head => "ashemesh:topic"
+        json [
+          { :html_url => "https://github.com/ashemesh/hub/pull/102" },
+        ]
+      }
+      """
+    When I successfully run `hub pr show`
+    Then "open https://github.com/ashemesh/hub/pull/102" should be run
+
+  Scenario: Current branch output URL
+    Given I am on the "topic" branch
+    Given the GitHub API server:
+      """
+      get('/repos/ashemesh/hub/pulls'){
+        assert :state => "open",
+               :head => "ashemesh:topic"
+        json [
+          { :html_url => "https://github.com/ashemesh/hub/pull/102" },
+        ]
+      }
+      """
+    When I successfully run `hub pr show -u`
+    Then "open https://github.com/ashemesh/hub/pull/102" should not be run
+    And the output should contain exactly:
+      """
+      https://github.com/ashemesh/hub/pull/102\n
+      """
 
-    Scenario: Open Current Branch Pull Request In Upstream
-    Given the "upstream" remote has url "git@github.com:github/hub.git" 
+  Scenario: Current branch in fork
+    Given the "upstream" remote has url "git@github.com:github/hub.git"
     And I am on the "topic" branch
     Given the GitHub API server:
-        """
-        get('/repos/github/hub/pulls'){
-            assert  :state => "open",
-                    :head => "ashemesh:topic"
-            json [
-                {
-                    :html_url => "https://github.com/github/hub/pull/1",
-                },
-            ]
-        }
-        """
+      """
+      get('/repos/github/hub/pulls'){
+        assert :state => "open",
+               :head => "ashemesh:topic"
+        json [
+          { :html_url => "https://github.com/github/hub/pull/102" },
+        ]
+      }
+      """
     When I successfully run `hub pr show`
-    Then "open https://github.com/github/hub/pull/1" should be run
+    Then "open https://github.com/github/hub/pull/102" should be run
 
-    Scenario: Open Pull Request For Given Head
-        Given the GitHub API server:
-            """
-            get('/repos/ashemesh/hub/pulls'){
-                assert  :state => "open",
-                        :head => "ashemesh:topic"
-                json [
-                    {
-                        :html_url => "https://github.com/ashemesh/hub/pull/1",
-                    },
-                ]
-            }
-            """
-        When I successfully run `hub pr show --head topic`
-        Then "open https://github.com/ashemesh/hub/pull/1" should be run
+  Scenario: Explicit head branch
+    Given the GitHub API server:
+      """
+      get('/repos/ashemesh/hub/pulls'){
+        assert :state => "open",
+               :head => "ashemesh:topic"
+        json [
+          { :html_url => "https://github.com/ashemesh/hub/pull/102" },
+        ]
+      }
+      """
+    When I successfully run `hub pr show --head topic`
+    Then "open https://github.com/ashemesh/hub/pull/102" should be run
 
-    Scenario: Open Pull Request In Fork Repository Given Head
-        Given the GitHub API server:
-            """
-            get('/repos/ashemesh/hub'){
-                json :html_url => "https://github.com/ashemesh/hub",
-                     :parent => { 
-                                    :html_url => "https://github.com/github/hub",
-                                    :name => "hub",
-                                    :owner => { :login => "github" }
-                                }
-            }
-            get('/repos/github/hub/pulls'){
-                assert  :state => "open",
-                        :head => "ashemesh:topic"
-                json [
-                    {
-                        :html_url => "https://github.com/github/hub/pull/1",
-                    },
-                ]
-            }
-            """
-        When I successfully run `hub pr show --head ashemesh:topic`
-        Then "open https://github.com/github/hub/pull/1" should be run
+  Scenario: Explicit head branch with owner
+    Given the GitHub API server:
+      """
+      get('/repos/ashemesh/hub/pulls'){
+        assert :state => "open",
+               :head => "github:topic"
+        json [
+          { :html_url => "https://github.com/ashemesh/hub/pull/102" },
+        ]
+      }
+      """
+    When I successfully run `hub pr show --head github:topic`
+    Then "open https://github.com/ashemesh/hub/pull/102" should be run