Sanitize repo paths in new project error message

Closes #17243

CHANGELOG

@@ -3,6 +3,7 @@ Please view this file on the master branch, on stable branches it's out of date.
 v 8.8.0 (unreleased)
   - Project#open_branches has been cleaned up and no longer loads entire records into memory.
   - Make build status canceled if any of the jobs was canceled and none failed
+  - Sanitize repo paths in new project error message
   - Remove future dates from contribution calendar graph.
   - Support e-mail notifications for comments on project snippets
   - Use ActionDispatch Remote IP for Akismet checking

app/helpers/projects_helper.rb

@@ -341,4 +341,10 @@ module ProjectsHelper
       )
     end
   end
+
+  def sanitize_repo_path(message)
+    return '' unless message.present?
+
+    message.strip.gsub(Gitlab.config.gitlab_shell.repos_path.chomp('/'), "[REPOS PATH]")
+  end
 end

app/views/projects/imports/new.html.haml

@@ -10,7 +10,7 @@
     .panel-body
       %pre
         :preserve
-          #{@project.import_error.try(:strip)}
+          #{sanitize_repo_path(@project.import_error)}
 
 = form_for @project, url: namespace_project_import_path(@project.namespace, @project), method: :post, html: { class: 'form-horizontal' } do |f|
   = render "shared/import_form", f: f

spec/helpers/projects_helper_spec.rb

@@ -131,4 +131,13 @@ describe ProjectsHelper do
       end
     end
   end
+
+  describe '#sanitized_import_error' do
+    it 'removes the repo path' do
+      repo = File.join(Gitlab.config.gitlab_shell.repos_path, '/namespace/test.git')
+      import_error = "Could not clone #{repo}\n"
+
+      expect(sanitize_repo_path(import_error)).to eq('Could not clone [REPOS PATH]/namespace/test.git')
+    end
+  end
 end