Move scripts used in CI to the new location (#1109)

* Move CI scripts to new location

* Update references

* Update CODEOWNERS file

* Update docker/polkadot-collator_builder.Containerfile

Co-authored-by: Alexander Samusev <41779041+alvicsam@users.noreply.github.com>

Co-authored-by: Alexander Samusev <41779041+alvicsam@users.noreply.github.com>

scripts/ci/github/check_labels.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+
+#shellcheck source=../common/lib.sh
+source "$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )/../common/lib.sh"
+
+repo="$GITHUB_REPOSITORY"
+pr="$GITHUB_PR"
+
+ensure_labels() {
+  for label in "$@"; do
+    if has_label "$repo" "$pr" "$label"; then
+      return 0
+    fi
+  done
+  return 1
+}
+
+# Must have one of the following labels
+releasenotes_labels=(
+  'B0-silent'
+  'B1-releasenotes'
+  'B7-runtimenoteworthy'
+)
+
+# Must be an ordered list of priorities, lowest first
+priority_labels=(
+  'C1-low 📌'
+  'C3-medium 📣'
+  'C7-high ❗️'
+  'C9-critical ‼️'
+)
+
+audit_labels=(
+  'D1-audited 👍'
+  'D2-notlive 💤'
+  'D3-trivial 🧸'
+  'D5-nicetohaveaudit ⚠️'
+  'D9-needsaudit 👮'
+)
+
+echo "[+] Checking release notes (B) labels for $CI_COMMIT_BRANCH"
+if ensure_labels "${releasenotes_labels[@]}";  then
+  echo "[+] Release notes label detected. All is well."
+else
+  echo "[!] Release notes label not detected. Please add one of: ${releasenotes_labels[*]}"
+  exit 1
+fi
+
+echo "[+] Checking release priority (C) labels for $CI_COMMIT_BRANCH"
+if ensure_labels "${priority_labels[@]}";  then
+  echo "[+] Release priority label detected. All is well."
+else
+  echo "[!] Release priority label not detected. Please add one of: ${priority_labels[*]}"
+  exit 1
+fi
+
+if has_runtime_changes "${BASE_SHA}" "${HEAD_SHA}"; then
+  echo "[+] Runtime changes detected. Checking audit (D) labels"
+  if ensure_labels "${audit_labels[@]}";  then
+    echo "[+] Release audit label detected. All is well."
+  else
+    echo "[!] Release audit label not detected. Please add one of: ${audit_labels[*]}"
+    exit 1
+  fi
+fi
+
+# If the priority is anything other than the lowest, we *must not* have a B0-silent
+# label
+if has_label "$repo" "$GITHUB_PR" 'B0-silent' &&
+  ! has_label "$repo" "$GITHUB_PR" "${priority_labels[0]}"; then
+  echo "[!] Changes with a priority higher than C1-low *MUST* have a B- label that is not B0-Silent"
+  exit 1
+fi
+
+exit 0

scripts/ci/github/runtime-version.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# Gets the runtime version for a given runtime from the filesystem.
+# Optionally accepts a path that is the root of the project which defaults to
+# the current working directory
+def get_runtime(runtime: nil, path: '.', runtime_dir: 'runtime')
+  File.open(path + "/#{runtime_dir}/#{runtime}/src/lib.rs") do |f|
+    f.find { |l| l =~ /spec_version/ }.match(/[0-9]+/)[0]
+  end
+end