try saving changed themes as dir + name tuple

.github/scripts/create-preview-links.js

@@ -40,7 +40,6 @@ function createBlueprint(themeSlug, branch) {
  * @returns {string} - The name of the theme as defined in the `style.css` file.
  */
 function getThemeName(themeSlug) {
-	execSync`git checkout ${context.payload.pull_request.head.ref} -- ${themeSlug}/style.css`;
 	const styleCss = fs.readFileSync(`${themeSlug}/style.css`, 'utf8');
 	const themeName = styleCss.match(/Theme Name:(.*)/i)[1].trim();
 	return themeName;
@@ -54,7 +53,6 @@ function getThemeName(themeSlug) {
  * @returns {string} - The name of the parent theme as defined in the `style.css` file.
  */
 function getParentThemeName(themeSlug) {
-	execSync`git checkout ${context.payload.pull_request.head.ref} -- ${themeSlug}/style.css`;
 	const styleCss = fs.readFileSync(`${themeSlug}/style.css`, 'utf8');
 	const parentTheme = styleCss.match(/Template:(.*)/i);
 	const isChildTheme = parentTheme && '' !== parentTheme[1].trim();

.github/workflows/preview-theme.yml

@@ -31,8 +31,10 @@ jobs:
             dir_name=$(dirname "$file")
             while [[ "$dir_name" != "." ]]; do
               if [[ -f "$dir_name/style.css" ]]; then  # Check if the parent directory contains a theme
-                # Save only the basename
-                unique_dirs[$dir_name]=$(basename $dir_name)
+                # Get theme name from style.css
+                theme_name=$(grep -m 1 "Theme Name:" "$dir_name/style.css" | sed 's/Theme Name: //')
+                # Store theme name and directory in associative array
+                unique_dirs["$dir_name"]=$theme_name
                 break
               fi
               dir_name=$(dirname "$dir_name")