From 3dac444ca17bdd17414bebcc55e7a53310dee544 Mon Sep 17 00:00:00 2001
From: Kamil Trzcinski <ayufan@ayufan.eu>
Date: Thu, 30 Jun 2016 19:47:40 +0200
Subject: Fix SimpleCov report merging

---
 .gitlab-ci.yml          |  3 ++-
 scripts/merge-simplecov | 37 ++++++++++++++++++++++++++++++++++++-
 2 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1ca266ef4f1..8f75a46dfe8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -74,7 +74,8 @@ update-coverage:
   artifacts:
     expire_in: 31d
     paths:
-    - coverage/
+    - coverage/index.html
+    - coverage/assets/
 
 # Execute all testing suites
 
diff --git a/scripts/merge-simplecov b/scripts/merge-simplecov
index 0d764d2b406..2af5f8c0918 100755
--- a/scripts/merge-simplecov
+++ b/scripts/merge-simplecov
@@ -46,11 +46,42 @@ def all_results
   results
 end
 
+def merge_resultset(a1, a2)
+  return a1 || [] unless a2
+  return a2 || [] unless a1
+
+  new_array = a1.dup
+  a2.each_with_index do |element, i|
+    if element.nil? && new_array[i].nil?
+      new_array[i] = nil
+    elsif element.nil? && new_array[i] == 0 || element == 0 && new_array[i].nil?
+      new_array[i] = nil
+    else
+      local_value = element || 0
+      other_value = new_array[i] || 0
+      new_array[i] = local_value + other_value
+    end
+  end
+  new_array
+end
+
+def merge_hashes(h1, h2)
+  new_resultset = {}
+  (h1.keys + h2.keys).each do |filename|
+    new_resultset[filename] = []
+  end
+
+  new_resultset.each_key do |filename|
+    new_resultset[filename] = merge_resultset(h1[filename], h2[filename])
+  end
+  new_resultset
+end
+
 def merged_result
   merged = {}
   results = all_results
   results.each do |result|
-    merged = result.original_result.merge_resultset(merged)
+    merged = merge_hashes(result.original_result, merged)
   end
   result = SimpleCov::Result.new(merged)
   # Specify the command name
@@ -58,6 +89,10 @@ def merged_result
   result
 end
 
+# Ignore CI environment
+ENV['CI'] = nil
+ENV['CI_BUILD_NAME'] = nil
+
 require_relative '../spec/simplecov_env'
 
 merged_result.format!
-- 
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