Fix emoji on enterprise.

static/ doesn't exist on enterprise, so we can't get the list from the
files there.

(imported from commit ce34a62478abf541feb013da4f970dac3c09d98a)

tools/build-enterprise-tarball

@@ -53,6 +53,9 @@ echo $GITID > build_id
 echo $version > version
 mv update-prod-static.log ..
 
+# We don't need duplicate copies of emoji with hashed paths, and they would break bugdown
+find prod-static/serve/third/gemoji/images/emoji/ -regex '.*\.[0-9a-f]+\.png' -delete
+
 cd $TMPDIR
 
 tar --append -f $TARBALL $prefix/prod-static $prefix/build_id $prefix/version

zerver/lib/bugdown/__init__.py

@@ -351,11 +351,17 @@ class Avatar(markdown.inlinepatterns.Pattern):
         img.set('alt', email_address)
         return img
 
-path_to_emoji = os.path.join(os.path.dirname(__file__), '..', '..', '..',
-                             # This should be the root
-                             'static', 'third', 'gemoji', 'images', 'emoji', '*.png')
+if settings.ENTERPRISE:
+    path_to_emoji = os.path.join(os.path.dirname(__file__), '..', '..', '..',
+                                 'prod-static', 'serve', 'third', 'gemoji', 'images', 'emoji', '*.png')
+else:
+    path_to_emoji = os.path.join(os.path.dirname(__file__), '..', '..', '..',
+                                 # This should be the root
+                                 'static', 'third', 'gemoji', 'images', 'emoji', '*.png')
+
 emoji_list = [os.path.splitext(os.path.basename(fn))[0] for fn in glob.glob(path_to_emoji)]
 
+
 def make_emoji(emoji_name, src, display_string):
     elt = markdown.util.etree.Element('img')
     elt.set('src', src)