Display some environment info

app/assets/stylesheets/asciicasts.css.scss

@@ -28,6 +28,15 @@
   //   font-size: 18px;
   //   margin: 20px 0;
   // }
+
+  .env-info {
+    margin: 15px 0 0 0;
+    font-size: 12px;
+
+    .value {
+      font-weight: bold;
+    }
+  }
 }
 
 .asciicast-delete-link {

app/models/asciicast.rb

@@ -38,6 +38,20 @@ class Asciicast < ActiveRecord::Base
     self.terminal_type    = data['term']['type']
   end
 
+  def os
+    if uname =~ /Linux/
+      'Linux'
+    elsif uname =~ /Darwin/
+      'OSX'
+    else
+      uname.split(' ', 2)[0]
+    end
+  end
+
+  def shell_name
+    File.basename(shell.to_s)
+  end
+
   def as_json(opts = {})
     super :methods => [:escaped_stdout_data, :stdout_timing_data]
   end

app/views/asciicasts/show.html.erb

@@ -18,6 +18,12 @@
       <%= asciicast_time(@asciicast) %>
     </span>
   </h1>
+
+  <p class="env-info">
+    <span class="os">OS=<span class="value"><%= @asciicast.os %></span></span>
+    <span class="shell">SHELL=<span class="value"><%= @asciicast.shell_name %></span></span>
+    <span class="term-type">TERM=<span class="value"><%= @asciicast.terminal_type || '?' %></span></span>
+  </p>
 </div>
 
 <%= render :partial => 'asciicasts/asciicast', :object => @asciicast %>