From 7483bdd9088a0b28874bf0bc59c8d81442a8cc2a Mon Sep 17 00:00:00 2001
From: Daniel Poggenpohl <daniel.poggenpohl@fernuni-hagen.de>
Date: Thu, 16 Mar 2023 13:31:34 +0100
Subject: [PATCH 1/3] MDL-77657 theme: Fix get_extra_scss_code load order

This led to problems with grandchild themes,
depending on their direct parent's extrascsscallback.
---
 lib/outputlib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/outputlib.php b/lib/outputlib.php
index 1d2bd55d245..e7f6dbd1b09 100644
--- a/lib/outputlib.php
+++ b/lib/outputlib.php
@@ -1598,7 +1598,7 @@ class theme_config {
 
         // Getting all the candidate functions.
         $candidates = array();
-        foreach ($this->parent_configs as $parent_config) {
+        foreach (array_reverse($this->parent_configs) as $parent_config) {
             if (!isset($parent_config->extrascsscallback)) {
                 continue;
             }

From 02716c8ea6dbd2215c3799bfbf8c9c6a700051cb Mon Sep 17 00:00:00 2001
From: Daniel Poggenpohl <daniel.poggenpohl@fernuni-hagen.de>
Date: Mon, 20 Mar 2023 08:50:41 +0100
Subject: [PATCH 2/3] MDL-77657 theme: Fix get_pre_scss_code load order

This led to problems with grandchild themes,
depending on their direct parent's prescsscallback.
---
 lib/outputlib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/outputlib.php b/lib/outputlib.php
index e7f6dbd1b09..d8a6baab94e 100644
--- a/lib/outputlib.php
+++ b/lib/outputlib.php
@@ -1631,7 +1631,7 @@ class theme_config {
 
         // Getting all the candidate functions.
         $candidates = array();
-        foreach ($this->parent_configs as $parent_config) {
+        foreach (array_reverse($this->parent_configs) as $parent_config) {
             if (!isset($parent_config->prescsscallback)) {
                 continue;
             }

From 1f2f32824d2ce0a1ecc0eb3b11b4657590ce5362 Mon Sep 17 00:00:00 2001
From: Daniel Poggenpohl <daniel.poggenpohl@fernuni-hagen.de>
Date: Tue, 4 Apr 2023 15:50:18 +0200
Subject: [PATCH 3/3] MDL-77657 theme: Corrected return type

---
 theme/boost/lib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/theme/boost/lib.php b/theme/boost/lib.php
index 7e98100f6d8..6cc398d535e 100644
--- a/theme/boost/lib.php
+++ b/theme/boost/lib.php
@@ -135,7 +135,7 @@ function theme_boost_get_precompiled_css() {
  * Get SCSS to prepend.
  *
  * @param theme_config $theme The theme config object.
- * @return array
+ * @return string
  */
 function theme_boost_get_pre_scss($theme) {
     global $CFG;