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bryanstearns · Mar 20, 2012 · db11b19 · db11b19
1 parent 2678efb
commit db11b19
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diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
@@ -7,6 +7,7 @@
   <%= csrf_meta_tags %>
 </head>
 <body>
+<div style="float: right; color: #ccc;"><%= SOURCE_REVISION_DETAILS %></div>
 
 <%= yield %>
 

diff --git a/config/initializers/ascertain_revision.rb b/config/initializers/ascertain_revision.rb
@@ -0,0 +1,38 @@
+
+# "Ascertain" the revision we're running (so named so it'll come before
+# the cache initializer, which uses this info).
+
+def determine_revision
+  # Note the revision number we're running, and a
+  # more-informative string containing it.
+  revision_path = File.dirname(__FILE__) + "/../../REVISION"
+  begin
+    digits = 8
+    if File.exist? revision_path
+      mod_date = File.mtime(revision_path)
+      full_number = File.read(revision_path).strip
+      number = full_number[0...digits]
+      extra = mod_date.strftime("%H:%M %a, %b %d %Y").gsub(" 0"," ")
+    else
+      if File.exist?(".git")
+        full_number = `git log -1`.split(" ")[1]
+        number = full_number[0...digits]
+        extra = `git branch`.split("\n").grep(/^\*/)[0].split(' ')[-1]
+      else
+        # We don't use --xml anymore, because CentOS's svn doesn't have it.
+        number = `svn info`.grep(%r"^Revision: ")[0].split(" ")[1]
+        extra = ''
+      end
+    end
+  rescue
+    number = '???'
+    extra = ''
+  end
+  details = "#{Rails.env} #{number} #{extra} #{Socket.gethostname}"
+  return full_number, number, details
+end 
+
+FULL_SOURCE_REVISION_NUMBER, SOURCE_REVISION_NUMBER, SOURCE_REVISION_DETAILS = determine_revision
+
+# Add this to the environment too, so it'll be visible in Hoptoad
+ENV["SOURCE_REVISION_DETAILS"] = SOURCE_REVISION_DETAILS