From c01791446eb47e0acc9cbb9f286651661409ee46 Mon Sep 17 00:00:00 2001
From: Winnie Hellmann <winnie@gitlab.com>
Date: Wed, 20 Feb 2019 18:06:26 +0100
Subject: Run only feature specs for frontend branches

---
 .gitlab-ci.yml                   |  1 +
 scripts/knapsack_file_pattern.rb | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100755 scripts/knapsack_file_pattern.rb

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c5cd006a289..9a24011bbae 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -140,6 +140,7 @@ stages:
   script:
     - JOB_NAME=( $CI_JOB_NAME )
     - TEST_TOOL=${JOB_NAME[0]}
+    - export KNAPSACK_TEST_FILE_PATTERN=$(scripts/knapsack_file_pattern.rb)
     - export KNAPSACK_REPORT_PATH=knapsack/${CI_PROJECT_NAME}/${TEST_TOOL}_node_${CI_NODE_INDEX}_${CI_NODE_TOTAL}_report.json
     - export KNAPSACK_GENERATE_REPORT=true
     - export SUITE_FLAKY_RSPEC_REPORT_PATH=${FLAKY_RSPEC_SUITE_REPORT_PATH}
diff --git a/scripts/knapsack_file_pattern.rb b/scripts/knapsack_file_pattern.rb
new file mode 100755
index 00000000000..69c5f22e006
--- /dev/null
+++ b/scripts/knapsack_file_pattern.rb
@@ -0,0 +1,17 @@
+#!/usr/bin/env ruby
+
+# Change test file pattern to match only feature specs for branches ending with "-frontend"
+class KnapsackFilePattern
+  def run
+    frontend_branch = ENV['CI_COMMIT_REF_NAME'] =~ /-frontend(-ee)?$/
+
+    if ENV['CI_PROJECT_NAMESPACE'] == 'gitlab-org' && frontend_branch
+      warn 'Running only feature specs for frontend branch...'
+      puts 'spec/features/**{,/*/**}/*_spec.rb'
+    else
+      puts 'spec/**{,/*/**}/*_spec.rb'
+    end
+  end
+end
+
+KnapsackFilePattern.new.run
-- 
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