Add list of changed files to EmailsOnPush.

See #1906.

app/views/layouts/notify.html.haml

@@ -16,6 +16,15 @@
       font-size:small;
       color:#777
     }
+    .file-stats a {
+      text-decoration: none;
+    }
+    .file-stats .new-file {
+      color: #090;
+    }
+    .file-stats .deleted-file {
+      color: #B00;
+    }
     #{add_email_highlight_css}
   %body
     %div.content

app/views/notify/repository_push_email.html.haml

@@ -11,16 +11,44 @@
         %i at #{commit.committed_date.strftime("%Y-%m-%dT%H:%M:%SZ")}
       %pre #{commit.safe_message}
 
+%h4 #{pluralize @diffs.count, "changed file"}:
+
+%ul
+  - @diffs.each_with_index do |diff, i|
+    %li.file-stats
+      %a{href: "#diff-#{i}"}
+        - if diff.deleted_file
+          %span.deleted-file
+            −
+            = diff.old_path
+        - elsif diff.renamed_file
+          = diff.old_path
+          →
+          = diff.new_path
+        - elsif diff.new_file
+          %span.new-file
+            +
+            = diff.new_path
+        - else
+          = diff.new_path
+
 %h4 Changes:
-- @diffs.each do |diff|
-  %li
-    %strong
-      - if diff.old_path == diff.new_path
-        = diff.new_path
-      - elsif diff.new_path && diff.old_path
-        #{diff.old_path} → #{diff.new_path}
+- @diffs.each_with_index do |diff, i|
+  %li{id: "diff-#{i}"}
+    %a{href: @target_url + "#diff-#{i}"}
+      - if diff.deleted_file
+        %strong
+          = diff.old_path
+        deleted
+      - elsif diff.renamed_file
+        %strong
+          = diff.old_path
+        →
+        %strong
+          = diff.new_path
       - else
-        = diff.new_path || diff.old_path
+        %strong
+          = diff.new_path
     %hr
     %pre
       = color_email_diff(diff.diff)

app/views/notify/repository_push_email.text.haml

@@ -8,16 +8,29 @@ Commits:
   \- - - - -
 \
 \
+#{pluralize @diffs.count, "changed file"}:
+\
+- @diffs.each do |diff|
+  - if diff.deleted_file
+    \- − #{diff.old_path}
+  - elsif diff.renamed_file
+    \- #{diff.old_path} → #{diff.new_path}
+  - elsif diff.new_file
+    \- + #{diff.new_path}
+  - else
+    \- #{diff.new_path}
+\
+\
 Changes:
 - @diffs.each do |diff|
   \
   \=====================================
-  - if diff.old_path == diff.new_path
-    = diff.new_path
-  - elsif diff.new_path && diff.old_path
-    #{diff.old_path} → #{diff.new_path}
+  - if diff.deleted_file
+    #{diff.old_path} deleted
+  - elsif diff.renamed_file
+    #{diff.old_path} → #{diff.new_path}
   - else
-    = diff.new_path || diff.old_path
+    = diff.new_path
   \=====================================
   != diff.diff
 \

app/views/projects/diffs/_stats.html.haml

@@ -26,7 +26,7 @@
               %a{href: "#diff-#{i}"}
                 %i.fa.fa-minus
                 = diff.old_path
-                \->
+                →
                 = diff.new_path
           - elsif diff.new_file
             %span.new-file