fix for special charecter in file names

changelogs/unreleased/40146_fix_special_charecter_search_in_filenames.yml

+---
+title: Fix search results when a filename would contain a special character.
+merge_request: 15606
+author: haseebeqx
+type: fixed

lib/gitlab/project_search_results.rb

@@ -47,8 +47,11 @@ module Gitlab
       startline = 0
 
       result.each_line.each_with_index do |line, index|
-        if line =~ /^.*:.*:\d+:/
-          ref, filename, startline = line.split(':')
+        matches = line.match(/^(?<ref>[^:]*):(?<filename>.*):(?<startline>\d+):/)
+        if matches
+          ref = matches[:ref]
+          filename = matches[:filename]
+          startline = matches[:startline]
           startline = startline.to_i - index
           extname = Regexp.escape(File.extname(filename))
           basename = filename.sub(/#{extname}$/, '')

spec/lib/gitlab/project_search_results_spec.rb

@@ -70,6 +70,15 @@ describe Gitlab::ProjectSearchResults do
 
       subject { described_class.parse_search_result(search_result) }
 
+      it 'can correctly parse filenames including ":"' do
+        special_char_result = "\nmaster:testdata/project::function1.yaml-1----\nmaster:testdata/project::function1.yaml:2:test: data1\n"
+
+        blob = described_class.parse_search_result(special_char_result)
+
+        expect(blob.ref).to eq('master')
+        expect(blob.filename).to eq('testdata/project::function1.yaml')
+      end
+
       it "returns a valid FoundBlob" do
         is_expected.to be_an Gitlab::SearchResults::FoundBlob
         expect(subject.id).to be_nil