Merge branch 'master' into build-cancel-spinner

1 files changed, 37 insertions, 12 deletions

diff --git a/app/models/commit.rb b/app/models/commit.rb
index 2ef3973c160..817d063e4a2 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -104,7 +104,7 @@ class Commit
   end
 
   def diff_line_count
-    @diff_line_count ||= Commit::diff_line_count(self.diffs)
+    @diff_line_count ||= Commit::diff_line_count(raw_diffs)
     @diff_line_count
   end
 
@@ -123,15 +123,17 @@ class Commit
   # In case this first line is longer than 100 characters, it is cut off
   # after 80 characters and ellipses (`&hellp;`) are appended.
   def title
-    title = safe_message
+    full_title.length > 100 ? full_title[0..79] << "…" : full_title
+  end
 
-    return no_commit_message if title.blank?
+  # Returns the full commits title
+  def full_title
+    return @full_title if @full_title
 
-    title_end = title.index("\n")
-    if (!title_end && title.length > 100) || (title_end && title_end > 100)
-      title[0..79] << "…"
+    if safe_message.blank?
+      @full_title = no_commit_message
     else
-      title.split("\n", 2).first
+      @full_title = safe_message.split("\n", 2).first
     end
   end
 
@@ -178,7 +180,18 @@ class Commit
   end
 
   def author
-    @author ||= User.find_by_any_email(author_email.downcase)
+    if RequestStore.active?
+      key = "commit_author:#{author_email.downcase}"
+      # nil is a valid value since no author may exist in the system
+      if RequestStore.store.has_key?(key)
+        @author = RequestStore.store[key]
+      else
+        @author = find_author_by_any_email
+        RequestStore.store[key] = @author
+      end
+    else
+      @author ||= find_author_by_any_email
+    end
   end
 
   def committer
@@ -216,7 +229,7 @@ class Commit
 
   def diff_refs
     Gitlab::Diff::DiffRefs.new(
-      base_sha: self.parent_id || self.sha,
+      base_sha: self.parent_id || Gitlab::Git::BLANK_SHA,
       head_sha: self.sha
     )
   end
@@ -295,8 +308,8 @@ class Commit
   def uri_type(path)
     entry = @raw.tree.path(path)
     if entry[:type] == :blob
-      blob = Gitlab::Git::Blob.new(name: entry[:name])
-      blob.image? ? :raw : :blob
+      blob = ::Blob.decorate(Gitlab::Git::Blob.new(name: entry[:name]))
+      blob.image? || blob.video? ? :raw : :blob
     else
       entry[:type]
     end
@@ -304,12 +317,24 @@ class Commit
     nil
   end
 
+  def raw_diffs(*args)
+    raw.diffs(*args)
+  end
+
+  def diffs(diff_options = nil)
+    Gitlab::Diff::FileCollection::Commit.new(self, diff_options: diff_options)
+  end
+
   private
 
+  def find_author_by_any_email
+    User.find_by_any_email(author_email.downcase)
+  end
+
   def repo_changes
     changes = { added: [], modified: [], removed: [] }
 
-    diffs.each do |diff|
+    raw_diffs(deltas_only: true).each do |diff|
       if diff.deleted_file
         changes[:removed] << diff.old_path
       elsif diff.renamed_file || diff.new_file