feat: add support for breaking changes in Hugo's templating system

See https://discord.com/channels/722225264733716590/738924091511144489/1406144559188283494
See https://gohugo.io/templates/new-templatesystem-overview/

modules/blox-bootstrap/layouts/_partials/comments.html

@@ -1,7 +1,7 @@
 {{ $provider := trim (site.Params.features.comment.provider | lower) " " }}
 
 {{ if $provider }}
-  {{ $provider_tpl := printf "partials/comments/%s.html" $provider }}
+  {{ $provider_tpl := printf "_partials/comments/%s.html" $provider }}
   {{ $provider_exists := templates.Exists $provider_tpl }}
   {{ if not $provider_exists }}
     {{ errorf "The '%s' comment provider was not found." $provider }}

modules/blox-bootstrap/layouts/_partials/functions/parse_block_v1.html

@@ -11,7 +11,7 @@
 {{ if eq $block_type "pages" }}{{ $block_type = "collection" }}{{ end }}{{/* Support legacy Pages block */}}
 {{ if eq $block_type "featured" }}{{ $block_type = "collection" }}{{ end }}{{/* Support legacy Featured block */}}
 {{ $widget_path := printf "blocks/v1/%s.html" $block_type }}
-{{ if not (templates.Exists (printf "partials/%s" $widget_path)) }}
+{{ if not (templates.Exists (printf "_partials/%s" $widget_path)) }}
   {{ errorf "%s uses a `%s` block but the `%s` block was not found at `layouts/partials/%s`" $block.File.Path $block_type $block_type $widget_path }}
 {{ end }}
 
@@ -102,7 +102,7 @@
 {{ $widget_class := printf "wg-%s" (replace (replace $block_type "." "-") "_" "-") }}
 
 {{ $widget_config_file := printf "blocks/v1/%s-config.html" $block_type }}
-{{ if templates.Exists (printf "partials/%s" $widget_config_file) }}
+{{ if templates.Exists (printf "_partials/%s" $widget_config_file) }}
   {{ $cfg := partial $widget_config_file $widget_args }}
   {{ $use_container = $cfg.use_container }}
 {{end}}

modules/blox-bootstrap/layouts/_partials/functions/parse_block_v2.html

@@ -7,7 +7,7 @@
 
 {{ $block_type := lower $block.block | default "markdown" }}
 {{ $block_path := printf "blocks/%s.html" $block_type }}
-{{ if not (templates.Exists (printf "partials/%s" $block_path)) }}
+{{ if not (templates.Exists (printf "_partials/%s" $block_path)) }}
   {{ errorf "%s uses a `%s` block but the `%s` block was not found at `layouts/partials/%s`" $block.File.Path $block_type $block_type $block_path }}
 {{ end }}
 
@@ -107,7 +107,7 @@
 {{ $widget_class := printf "wg-%s" (replace (replace $block_type "." "-") "_" "-") }}
 
 {{ $widget_config_file := printf "blocks/%s-config.html" $block_type }}
-{{ if templates.Exists (printf "partials/%s" $widget_config_file) }}
+{{ if templates.Exists (printf "_partials/%s" $widget_config_file) }}
   {{ $cfg := partial $widget_config_file $widget_args }}
   {{ with $cfg.use_container }}{{ $use_container = . }}{{ end }}
   {{ with $cfg.inject_section_heading }}{{ $use_cols = . }}{{ end }}

modules/blox-bootstrap/layouts/_partials/functions/render_view.html

@@ -21,7 +21,7 @@
     {{ $view_file = "compact" }}
   {{ end }}
 {{else}}
-  {{ if templates.Exists (printf "partials/views/%s.html" (lower $view)) }}
+  {{ if templates.Exists (printf "_partials/views/%s.html" (lower $view)) }}
     {{ $view_file = lower $view }}
   {{else}}
     {{/* Fallback to compact view */}}

modules/blox-bootstrap/layouts/_partials/site_footer.html

@@ -5,7 +5,7 @@
   {{/* Load footer block */}}
   {{ $footer_section_name := site.Params.footer.block | default "minimal" }}
   {{ $footer_section_path := printf "components/footers/%s.html" $footer_section_name }}
-  {{ if not (templates.Exists (printf "partials/%s" $footer_section_path)) }}
+  {{ if not (templates.Exists (printf "_partials/%s" $footer_section_path)) }}
     {{ errorf "Check your `params.yaml`. Cannot find footer block at `layouts/partials/%s`" $footer_section_path }}
   {{ end }}
   {{ partial $footer_section_path . }}

modules/blox-bootstrap/layouts/_partials/site_head.html

@@ -215,7 +215,7 @@
 
   {{/* EXTENSIBILITY HOOK: HEAD-END */}}
   {{/* Deprecated custom_head hook */}}
-  {{ if templates.Exists "partials/custom_head.html" }}
+  {{ if templates.Exists "_partials/custom_head.html" }}
     {{ partial "custom_head" . }}
   {{ end }}
   {{ partial "blox-core/functions/get_hook" (dict "hook" "head-end" "context" .) }}

modules/blox-bootstrap/layouts/_partials/site_js.html

@@ -267,7 +267,7 @@
 
 {{/* EXTENSIBILITY HOOK: BODY-END */}}
 {{/* Deprecated custom_js hook */}}
-{{ if templates.Exists "partials/custom_js.html" }}
+{{ if templates.Exists "_partials/custom_js.html" }}
   {{ partial "custom_js" . }}
 {{ end }}
 {{ partial "blox-core/functions/get_hook" (dict "hook" "body-end" "context" .) }}