From 4d881ac6259fb7f57411f82294d71978417590d0 Mon Sep 17 00:00:00 2001
From: Nur Rony <pro.nmrony@gmail.com>
Date: Fri, 7 Apr 2017 14:24:04 +0000
Subject: shows go back link only when history is available

---
 public/404.html | 16 +++++++++++++++-
 public/422.html | 17 ++++++++++++++++-
 public/500.html | 16 +++++++++++++++-
 public/502.html | 16 +++++++++++++++-
 public/503.html | 16 +++++++++++++++-
 5 files changed, 76 insertions(+), 5 deletions(-)

(limited to 'public')

diff --git a/public/404.html b/public/404.html
index b3b3a0fa3f3..03e98e81862 100644
--- a/public/404.html
+++ b/public/404.html
@@ -57,6 +57,11 @@
     .container {
       margin: auto 20px;
     }
+
+    .go-back {
+      display: none;
+    }
+
   </style>
 </head>
 
@@ -71,7 +76,16 @@
     <hr />
     <p>Make sure the address is correct and that the page hasn't moved.</p>
     <p>Please contact your GitLab administrator if you think this is a mistake.</p>
-    <a href="javascript:history.back()">Go back</a>
+    <a href="javascript:history.back()" class="js-go-back go-back">Go back</a>
   </div>
+  <script>
+    (function () {
+      var goBack = document.querySelector('.js-go-back');
+
+      if (history.length > 1) {
+        goBack.style.display = 'inline';
+      }
+    })();
+  </script>
 </body>
 </html>
diff --git a/public/422.html b/public/422.html
index 119e54ad8bd..49ebbe40f39 100644
--- a/public/422.html
+++ b/public/422.html
@@ -57,6 +57,11 @@
     .container {
       margin: auto 20px;
     }
+
+    .go-back {
+      display: none;
+    }
+
   </style>
 </head>
 
@@ -71,7 +76,17 @@
     <hr />
     <p>Make sure you have access to the thing you tried to change.</p>
     <p>Please contact your GitLab administrator if you think this is a mistake.</p>
-    <a href="javascript:history.back()">Go back</a>
+    <a href="javascript:history.back()" class="js-go-back go-back">Go back</a>
   </div>
+  <script>
+    (function () {
+      var goBack = document.querySelector('.js-go-back');
+
+      if (history.length > 1) {
+        goBack.style.display = 'inline';
+      }
+    })();
+
+  </script>
 </body>
 </html>
diff --git a/public/500.html b/public/500.html
index 226ef3c40ea..516920f7471 100644
--- a/public/500.html
+++ b/public/500.html
@@ -57,6 +57,11 @@
     .container {
       margin: auto 20px;
     }
+
+    .go-back {
+      display: none;
+    }
+
   </style>
 </head>
 
@@ -71,7 +76,16 @@
     <hr />
     <p>Try refreshing the page, or going back and attempting the action again.</p>
     <p>Please contact your GitLab administrator if this problem persists.</p>
-    <a href="javascript:history.back()">Go back</a>
+    <a href="javascript:history.back()" class="js-go-back go-back">Go back</a>
   </div>
+  <script>
+    (function () {
+      var goBack = document.querySelector('.js-go-back');
+
+      if (history.length > 1) {
+        goBack.style.display = 'inline';
+      }
+    })();
+  </script>
 </body>
 </html>
diff --git a/public/502.html b/public/502.html
index f037b81bace..189458c9816 100644
--- a/public/502.html
+++ b/public/502.html
@@ -57,6 +57,11 @@
     .container {
       margin: auto 20px;
     }
+
+    .go-back {
+      display: none;
+    }
+
   </style>
 </head>
 
@@ -71,7 +76,16 @@
     <hr />
     <p>Try refreshing the page, or going back and attempting the action again.</p>
     <p>Please contact your GitLab administrator if this problem persists.</p>
-    <a href="javascript:history.back()">Go back</a>
+    <a href="javascript:history.back()" class="js-go-back go-back">Go back</a>
   </div>
+  <script>
+    (function () {
+      var goBack = document.querySelector('.js-go-back');
+
+      if (history.length > 1) {
+        goBack.style.display = 'inline';
+      }
+    })();
+  </script>
 </body>
 </html>
diff --git a/public/503.html b/public/503.html
index f946a087871..b09b0e2a67e 100644
--- a/public/503.html
+++ b/public/503.html
@@ -57,6 +57,11 @@
     .container {
       margin: auto 20px;
     }
+
+    .go-back {
+      display: none;
+    }
+
   </style>
 </head>
 
@@ -71,7 +76,16 @@
     <hr />
     <p>Try refreshing the page, or going back and attempting the action again.</p>
     <p>Please contact your GitLab administrator if this problem persists.</p>
-    <a href="javascript:history.back()">Go back</a>
+    <a href="javascript:history.back()" class="js-go-back go-back">Go back</a>
   </div>
+  <script>
+    (function () {
+      var goBack = document.querySelector('.js-go-back');
+
+      if (history.length > 1) {
+        goBack.style.display = 'inline';
+      }
+    })();
+  </script>
 </body>
 </html>
-- 
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