Replace deprecated hugo.IsMultilingual with .Site.IsMultiLingual

[Copilot]

Hugo v0.114.0 removed hugo.IsMultilingual in favor of .Site.IsMultiLingual. The site build was failing with template execution errors in 8 layout files still using the old API.

Changes

• Replace hugo.IsMultilingual → .Site.IsMultiLingual in:
  • layouts/partials/header.html
  • layouts/404.html
  • layouts/index.html
  • layouts/partials/widgets/languages.html
  • layouts/partials/widgets/author-card.html
  • layouts/partials/widgets/post-card.html
  • layouts/partials/widgets/content-all.html
  • layouts/partials/widgets/hero.html

-{{ if and hugo.IsMultilingual (not .Site.Params.Site.OnlyOneLang) }}
+{{ if and .Site.IsMultiLingual (not .Site.Params.Site.OnlyOneLang) }}

This aligns with the theme files in themes/NewBee/layouts/ which already use the correct API.

Original prompt

Problem

The Hugo site build is failing with template execution errors. The job logs show:

ERROR render of "page" failed: "/home/runner/work/raux.github.io/raux.github.io/layouts/_default/baseof.html:13:16": execute of template failed: template: posts/single.html:13:16: executing "posts/single.html" at <partial "header.html" .>: error calling partial: "/home/r
ERROR render of "home" failed: "/home/runner/work/raux.github.io/raux.github.io/layouts/_default/baseof.html:13:16": execute of template failed: template: index.html:13:16: executing "index.html" at <partial "header.html" .>: error calling partial: "/home/runner/work/rau
Error: error building site: render: failed to render pages: render of "page" failed

Reference: https://github.com/raux/raux.github.io/actions/runs/20687343018/job/59390503030

Root Cause

Multiple template files in the layouts/ directory are using hugo.IsMultilingual which is deprecated/incompatible with Hugo v0.114.0. The theme files in themes/NewBee/layouts/ correctly use .Site.IsMultiLingual instead.

Solution Required

Replace all instances of hugo.IsMultilingual with .Site.IsMultiLingual in the following files:

1. layouts/partials/header.html (line 22)

   • Change: {{ if and hugo.IsMultilingual (not .Site.Params.Site.OnlyOneLang) }}
   • To: {{ if and .Site.IsMultiLingual (not .Site.Params.Site.OnlyOneLang) }}

2. layouts/404.html (line 2)

   • Change: {{ $isMultiLingual := and (ne .Site.Language.Weight 1) (and hugo.IsMultilingual (not .Site.Params.Site.OnlyOneLang)) }}
   • To: {{ $isMultiLingual := and (ne .Site.Language.Weight 1) (and .Site.IsMultiLingual (not .Site.Params.Site.OnlyOneLang)) }}

3. layouts/index.html (line 25)

   • Change: <a href='{{ if and (ne .Site.Language.Weight 1) (and hugo.IsMultilingual (not .Site.Params.Site.OnlyOneLang)) }}
   • To: <a href='{{ if and (ne .Site.Language.Weight 1) (and .Site.IsMultiLingual (not .Site.Params.Site.OnlyOneLang)) }}

4. layouts/partials/widgets/languages.html (line 2)

   • Change: {{- if and hugo.IsMultilingual (gt (len $translations) 0) }}
   • To: {{- if and .Site.IsMultiLingual (gt (len $translations) 0) }}

5. layouts/partials/widgets/author-card.html (line 2)

   • Change: {{ $isMultiLingual := and (ne .Site.Language.Weight 1) (and hugo.IsMultilingual (not .Site.Params.Site.OnlyOneLang)) }}
   • To: {{ $isMultiLingual := and (ne .Site.Language.Weight 1) (and .Site.IsMultiLingual (not .Site.Params.Site.OnlyOneLang)) }}

6. layouts/partials/widgets/post-card.html (line 2)

   • Change: {{ $isMultiLingual := and (ne .Site.Language.Weight 1) (and hugo.IsMultilingual (not .Site.Params.Site.OnlyOneLang)) }}
   • To: {{ $isMultiLingual := and (ne .Site.Language.Weight 1) (and .Site.IsMultiLingual (not .Site.Params.Site.OnlyOneLang)) }}

7. layouts/partials/widgets/content-all.html (line 4)

   • Change: {{ $isMultiLingual := and (ne .Site.Language.Weight 1) (and hugo.IsMultilingual (not .Site.Params.Site.OnlyOneLang)) }}
   • To: {{ $isMultiLingual := and (ne .Site.Language.Weight 1) (and .Site.IsMultiLingual (not .Site.Params.Site.OnlyOneLang)) }}

8. layouts/partials/widgets/hero.html (line 5)

   • Change: {{ $isMultiLingual := and (ne .Site.Language.Weight 1) (and hugo.IsMultilingual (not .Site.Params.Site.OnlyOneLang)) }}
   • To: {{ $isMultiLingual := and (ne .Site.Language.Weight 1) (and .Site.IsMultiLingual (not .Site.Params.Site.OnlyOneLang)) }}

Expected Outcome

After these changes, the Hugo site should build successfully without template execution errors. The .Site.IsMultiLingual method is the correct API for Hugo v0.114.0 and matches what's used in the theme files.

This pull request was created from Copilot chat.

---

✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

[raux]

@copilot please run the deployment workflow to build and deploy the website as a test

[Copilot]

@copilot please run the deployment workflow to build and deploy the website as a test

I cannot directly trigger GitHub Actions workflows from this environment. However, I have already verified the changes work correctly:

✅ Installed Hugo v0.114.0 (same as CI)
✅ Successfully built the site with hugo --minify
✅ No template execution errors
✅ Generated output in public/ directory

The deploy.yml workflow should run automatically on this PR since it's configured to run on pull requests to master. You can manually trigger the hugo.yml workflow from the Actions tab if needed, or merge this PR to master to trigger the deployment.

Commit: 9db11c8

[Copilot]

Pull request overview

This PR fixes Hugo site build failures by replacing the deprecated hugo.IsMultilingual function with .Site.IsMultiLingual to comply with Hugo v0.114.0+, which removed the old API. The changes ensure all layout files use the correct multilingual check method, matching the pattern already established in the theme files.

• Updates the multilingual check API across 8 layout files
• Aligns custom layouts with the NewBee theme's existing usage pattern

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
layouts/partials/widgets/post-card.html	Updates multilingual check for language-specific category and tag URLs
layouts/partials/widgets/languages.html	Updates multilingual check for language switcher widget display
layouts/partials/widgets/hero.html	Updates multilingual check for hero banner language path handling
layouts/partials/widgets/content-all.html	Updates multilingual check for content navigation and tag URLs
layouts/partials/widgets/author-card.html	Updates multilingual check for author card links (posts, categories, tags)
layouts/partials/header.html	Updates multilingual check for language selector in navigation header
layouts/index.html	Updates multilingual check for "all posts" link on home page
layouts/404.html	Updates multilingual check for error page home link

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.