WIP lazy blobs

app/controllers/projects/blob_controller.rb

@@ -33,6 +33,7 @@ class Projects::BlobController < Projects::ApplicationController
 
   def edit
     @last_commit = Gitlab::Git::Commit.last_for_path(@repository, @ref, @path).sha
+    blob.load_all_data!(@repository)
   end
 
   def update
@@ -51,6 +52,7 @@ class Projects::BlobController < Projects::ApplicationController
 
   def preview
     @content = params[:content]
+    @blob.load_all_data!(@repository)
     diffy = Diffy::Diff.new(@blob.data, @content, diff: '-U 3', include_diff_info: true)
     @diff_lines = Gitlab::Diff::Parser.new.parse(diffy.diff.scan(/.*\n/))
 
@@ -65,6 +67,7 @@ class Projects::BlobController < Projects::ApplicationController
   end
 
   def diff
+    @blob.load_all_data!(@repository)
     @form = UnfoldForm.new(params)
     @lines = @blob.data.lines[@form.since - 1..@form.to - 1]
 

app/models/ci/commit.rb

@@ -205,7 +205,11 @@ module Ci
     end
 
     def ci_yaml_file
-      @ci_yaml_file ||= project.repository.blob_at(sha, '.gitlab-ci.yml').data
+      return @ci_yaml_file if defined?(@ci_yaml_file)
+
+      blob = project.repository.blob_at(sha, '.gitlab-ci.yml')
+      blob.load_all_data!(project.repository)
+      @ci_yaml_file = blob.data
     rescue
       nil
     end

app/models/tree.rb

@@ -31,6 +31,8 @@ class Tree
 
     git_repo = repository.raw_repository
     @readme = Gitlab::Git::Blob.find(git_repo, sha, readme_path)
+    @readme.load_all_data!(git_repo)
+    @readme
   end
 
   def trees

app/views/projects/blob/_blob.html.haml

@@ -35,6 +35,7 @@
     - if blob.lfs_pointer?
       = render "download", blob: blob
     - elsif blob.text?
+      - blob.load_all_data!(@repository)
       = render "text", blob: blob
     - elsif blob.image?
       = render "image", blob: blob

lib/api/files.rb

@@ -58,9 +58,11 @@ module API
         commit = user_project.commit(ref)
         not_found! 'Commit' unless commit
 
-        blob = user_project.repository.blob_at(commit.sha, file_path)
+        repo = user_project.repository
+        blob = repo.blob_at(commit.sha, file_path)
 
         if blob
+          blob.load_all_data!(repo)
           status(200)
 
           {
@@ -72,7 +74,7 @@ module API
             ref: ref,
             blob_id: blob.id,
             commit_id: commit.id,
-            last_commit_id: user_project.repository.last_commit_for_path(commit.sha, file_path).id
+            last_commit_id: repo.last_commit_for_path(commit.sha, file_path).id
           }
         else
           not_found! 'File'