lib/gitlab_git/blob.rb in gitlab_git-10.1.2 vs lib/gitlab_git/blob.rb in gitlab_git-10.1.3

@@ -5,14 +5,15 @@
   module Git
     class Blob
       include Linguist::BlobHelper
       include EncodingHelper
 
-      # This number needs to be large enough to allow reliable content /
-      # encoding detection (Linguist) and LFS pointer parsing. All other cases
-      # where we need full blob data should use load_all_data!.
-      DATA_FRAGMENT_SIZE = 1024
+      # This number is the maximum amount of data that we want to display to
+      # the user. We load as much as we can for encoding detection
+      # (Linguist) and LFS pointer parsing. All other cases where we need full
+      # blob data should use load_all_data!.
+      MAX_DATA_DISPLAY_SIZE = 10485760
 
       attr_accessor :name, :path, :size, :data, :mode, :id, :commit_id
 
       class << self
         def find(repository, sha, path)
@@ -31,11 +32,11 @@
             if blob
               Blob.new(
                 id: blob.oid,
                 name: blob_entry[:name],
                 size: blob.size,
-                data: blob.content(DATA_FRAGMENT_SIZE),
+                data: blob.content(MAX_DATA_DISPLAY_SIZE),
                 mode: blob_entry[:filemode].to_s(8),
                 path: path,
                 commit_id: sha,
               )
             end
@@ -46,11 +47,11 @@
           blob = repository.lookup(sha)
 
           Blob.new(
             id: blob.oid,
             size: blob.size,
-            data: blob.content(DATA_FRAGMENT_SIZE),
+            data: blob.content(MAX_DATA_DISPLAY_SIZE),
           )
         end
 
         # Recursive search of blob id by path
         #
@@ -222,11 +223,11 @@
 
       def data
         encode! @data
       end
 
-      # Load all blob data (not just the first DATA_FRAGMENT_SIZE bytes) into
+      # Load all blob data (not just the first MAX_DATA_DISPLAY_SIZE bytes) into
       # memory as a Ruby string.
       def load_all_data!(repository)
         return if @data == '' # don't mess with submodule blobs
         return @data if @loaded_all_data
 
@@ -261,9 +262,13 @@
           size = data.match(/(?<=size )([0-9]+)/)
           return size[1] if size
         end
 
         nil
+      end
+
+      def truncated?
+        size > data.size
       end
 
       private
 
       def has_lfs_version_key?