3 files changed, 14 insertions, 9 deletions
diff --git a/lib/gitlab/git/conflict/file.rb b/lib/gitlab/git/conflict/file.rb
index 2a9cf10a068..f08dab59ce4 100644
--- a/lib/gitlab/git/conflict/file.rb
+++ b/lib/gitlab/git/conflict/file.rb
@@ -2,17 +2,19 @@ module Gitlab
   module Git
     module Conflict
       class File
+        UnsupportedEncoding = Class.new(StandardError)
+
         attr_reader :their_path, :our_path, :our_mode, :repository, :commit_oid
 
-        attr_accessor :content
+        attr_accessor :raw_content
 
-        def initialize(repository, commit_oid, conflict, content)
+        def initialize(repository, commit_oid, conflict, raw_content)
           @repository = repository
           @commit_oid = commit_oid
           @their_path = conflict[:theirs][:path]
           @our_path = conflict[:ours][:path]
           @our_mode = conflict[:ours][:mode]
-          @content = content
+          @raw_content = raw_content
         end
 
         def lines
@@ -29,6 +31,14 @@ module Gitlab
           end
         end
 
+        def content
+          @content ||= @raw_content.dup.force_encoding('UTF-8')
+
+          raise UnsupportedEncoding unless @content.valid_encoding?
+
+          @content
+        end
+
         def type
           lines unless @type
 
diff --git a/lib/gitlab/git/conflict/parser.rb b/lib/gitlab/git/conflict/parser.rb
index 3effa9d2d31..fb5717dd556 100644
--- a/lib/gitlab/git/conflict/parser.rb
+++ b/lib/gitlab/git/conflict/parser.rb
@@ -4,7 +4,6 @@ module Gitlab
       class Parser
         UnresolvableError = Class.new(StandardError)
         UnmergeableFile = Class.new(UnresolvableError)
-        UnsupportedEncoding = Class.new(UnresolvableError)
 
         # Recoverable errors - the conflict can be resolved in an editor, but not with
         # sections.
@@ -75,10 +74,6 @@ module Gitlab
           def validate_text!(text)
             raise UnmergeableFile if text.blank? # Typically a binary file
             raise UnmergeableFile if text.length > 200.kilobytes
-
-            text.force_encoding('UTF-8')
-
-            raise UnsupportedEncoding unless text.valid_encoding?
           end
 
           def validate_delimiter!(condition)
diff --git a/lib/gitlab/git/conflict/resolver.rb b/lib/gitlab/git/conflict/resolver.rb
index 07b7e811a34..c3cb0264112 100644
--- a/lib/gitlab/git/conflict/resolver.rb
+++ b/lib/gitlab/git/conflict/resolver.rb
@@ -23,7 +23,7 @@ module Gitlab
           end
         rescue GRPC::FailedPrecondition => e
           raise Gitlab::Git::Conflict::Resolver::ConflictSideMissing.new(e.message)
-        rescue Rugged::OdbError, GRPC::BadStatus => e
+        rescue Rugged::ReferenceError, Rugged::OdbError, GRPC::BadStatus => e
           raise Gitlab::Git::CommandError.new(e)
         end