From aaf158bcb57386a043d8cb7dc491a2f306a4ac13 Mon Sep 17 00:00:00 2001
From: GitLab Bot <gitlab-bot@gitlab.com>
Date: Thu, 22 Dec 2022 15:09:14 +0000
Subject: Add latest changes from gitlab-org/gitlab@master

---
 scripts/allowed_warnings.txt | 11 +++++++++++
 scripts/static-analysis      | 28 ++++++++--------------------
 scripts/utils.sh             | 31 +++++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+), 20 deletions(-)
 create mode 100644 scripts/allowed_warnings.txt

(limited to 'scripts')

diff --git a/scripts/allowed_warnings.txt b/scripts/allowed_warnings.txt
new file mode 100644
index 00000000000..8162f45f760
--- /dev/null
+++ b/scripts/allowed_warnings.txt
@@ -0,0 +1,11 @@
+# List of ignored warnings used by `fail_on_warnings` in `scripts/utils.sh`.
+# Each line represents a match used by `grep --invert-match --file`.
+# Comments and empty lines are ignored.
+
+# https://github.com/browserslist/browserslist/blob/d0ec62eb48c41c218478cd3ac28684df051cc865/node.js#L329
+# warns if caniuse-lite package is older than 6 months. Ignore this
+# warning message so that GitLab backports don't fail.
+Browserslist: caniuse-lite is outdated. Please run next command `yarn upgrade`
+
+# https://github.com/mime-types/mime-types-data/pull/50#issuecomment-1060908930
+Type application/netcdf is already registered as a variant of application/netcdf.
diff --git a/scripts/static-analysis b/scripts/static-analysis
index 9a0057d8f4d..0d03dd42c73 100755
--- a/scripts/static-analysis
+++ b/scripts/static-analysis
@@ -7,14 +7,7 @@ require_relative '../lib/gitlab/popen'
 require_relative '../lib/gitlab/popen/runner'
 
 class StaticAnalysis
-  ALLOWED_WARNINGS = [
-    # https://github.com/browserslist/browserslist/blob/d0ec62eb48c41c218478cd3ac28684df051cc865/node.js#L329
-    # warns if caniuse-lite package is older than 6 months. Ignore this
-    # warning message so that GitLab backports don't fail.
-    "Browserslist: caniuse-lite is outdated. Please run next command `yarn upgrade`",
-    # https://github.com/mime-types/mime-types-data/pull/50#issuecomment-1060908930
-    "Type application/netcdf is already registered as a variant of application/netcdf."
-  ].freeze
+  # `ALLOWED_WARNINGS` moved to scripts/allowed_warnings.txt
 
   Task = Struct.new(:command, :duration) do
     def cmd
@@ -94,12 +87,12 @@ class StaticAnalysis
     if static_analysis.all_success_and_clean?
       puts 'All static analyses passed successfully.'
     elsif static_analysis.all_success?
-      puts 'All static analyses passed successfully, but we have warnings:'
+      puts 'All static analyses passed successfully with warnings.'
       puts
 
       emit_warnings(static_analysis)
 
-      exit 2 if warning_count(static_analysis).nonzero?
+      # We used to exit 2 on warnings but `fail_on_warnings` takes care of it now.
     else
       puts 'Some static analyses failed:'
 
@@ -112,11 +105,11 @@ class StaticAnalysis
 
   def emit_warnings(static_analysis)
     static_analysis.warned_results.each do |result|
-      puts
-      puts "**** #{result.cmd.join(' ')} had the following warning(s):"
-      puts
-      puts result.stderr
-      puts
+      warn
+      warn "**** #{result.cmd.join(' ')} had the following warning(s):"
+      warn
+      warn result.stderr
+      warn
     end
   end
 
@@ -131,11 +124,6 @@ class StaticAnalysis
     end
   end
 
-  def warning_count(static_analysis)
-    static_analysis.warned_results
-      .count { |result| !ALLOWED_WARNINGS.include?(result.stderr.strip) } # rubocop:disable Rails/NegateInclude
-  end
-
   def tasks_to_run(node_total)
     total_time = TASKS_WITH_DURATIONS_SECONDS.sum(&:duration).to_f
     ideal_time_per_node = total_time / node_total
diff --git a/scripts/utils.sh b/scripts/utils.sh
index c9e4a6a487d..2bbe7e10de8 100644
--- a/scripts/utils.sh
+++ b/scripts/utils.sh
@@ -107,6 +107,37 @@ function install_junit_merge_gem() {
   run_timed_command "gem install junit_merge --no-document --version 0.1.2"
 }
 
+function fail_on_warnings() {
+  local cmd="$*"
+  local warning_file
+  warning_file="$(mktemp)"
+
+  local allowed_warning_file
+  allowed_warning_file="$(mktemp)"
+
+  eval "$cmd 2>$warning_file"
+  local ret=$?
+
+  # Filter out comments and empty lines from allowed warnings file.
+  grep --invert-match --extended-regexp "^#|^$" scripts/allowed_warnings.txt > "$allowed_warning_file"
+
+  local warnings
+  # Filter out allowed warnings from stderr.
+  # Turn grep errors into warnings so we fail later.
+  warnings=$(grep --invert-match --file "$allowed_warning_file" "$warning_file" 2>&1 || true)
+
+  rm -f "$warning_file" "$allowed_warning_file"
+
+  if [ "$warnings" != "" ]
+  then
+    echoerr "There were warnings:"
+    echoerr "$warnings"
+    return 1
+  fi
+
+  return $ret
+}
+
 function run_timed_command() {
   local cmd="${1}"
   local metric_name="${2:-no}"
-- 
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