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65 lines
4.5 KiB
Markdown
65 lines
4.5 KiB
Markdown
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---
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date: 2017-09-25
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title: "Hugo 0.28: High-speed Syntax Highlighting!"
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description: "Chroma is the new default syntax highlighter in Hugo."
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categories: ["Releases"]
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slug: "0.28-relnotes"
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images:
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- images/blog/hugo-28-poster.png
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---
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Hugo `0.28` brings **blistering fast and native syntax highlighting** from [Chroma](https://github.com/alecthomas/chroma) ([fb33d828](https://github.com/gohugoio/hugo/commit/fb33d8286d78a78a74deb44355b621852a1c4033) [@bep](https://github.com/bep) [#3888](https://github.com/gohugoio/hugo/issues/3888)). A big thank you to [Alec Thomas](https://github.com/alecthomas) for taking on this massive task of porting the popular python highlighter Pygments to Go.
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Hugo has been caching the highlighter output to disk, so for repeated builds it has been fine, but this little snippet, showing a build of the [gohugo.io](https://gohugo.io/) site without cache and with both Pygments and Chroma, should illustrate the improvement:
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{{< asciicast Lc5iwTVny2kuUC8lqvNnL6oDU >}}
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See the [Updated Documentation](https://gohugo.io/content-management/syntax-highlighting/) for more information about how this works.
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Worth mentioning is also the `liveReloadPort` flag on `hugo server`, which makes it possible to do "live reloads" behind a HTTPS proxy, which makes for very cool remote customer demos.
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One example would be a Hugo server running behind a [ngrok](https://ngrok.com) tunnel:
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```bash
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ngrok http 1313
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```
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Then start the Hugo server with:
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```bash
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hugo server -b https://youridhere.ngrok.io --appendPort=false --liveReloadPort=443 --navigateToChanged
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```
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The `navigateToChanged` flag is slightly unrelated, but it is super cool ...
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This release represents **15 contributions by 2 contributors** to the main Hugo code base.
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Many have also been busy writing and fixing the documentation in [hugoDocs](https://github.com/gohugoio/hugoDocs),
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which has received **9 contributions by 7 contributors**. A special thanks to [@bep](https://github.com/bep), [@i-give-up](https://github.com/i-give-up), [@muhajirframe](https://github.com/muhajirframe), and [@icannotfly](https://github.com/icannotfly) for their work on the documentation site.
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Hugo now has:
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* 19771+ [stars](https://github.com/gohugoio/hugo/stargazers)
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* 454+ [contributors](https://github.com/gohugoio/hugo/graphs/contributors)
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* 180+ [themes](http://themes.gohugo.io/)
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## Notes
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* Hugo now uses Chroma as new default syntax highlighter. This should in most cases work out-of-the box or with very little adjustments. But if you want to continue to use Pygments, set `pygmentsUseClassic=true` in your site config.
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* We now add a set of "no cache" headers to the responses for `hugo server`, which makes the most sense in most development scenarios. Run with `hugo server --noHTTPCache=false` to get the old behaviour.
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## Enhancements
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### Templates
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* Add `urls.Parse` function [81ed5647](https://github.com/gohugoio/hugo/commit/81ed564793609a32be20a569cc15da2cc02dd734) [@moorereason](https://github.com/moorereason) [#3849](https://github.com/gohugoio/hugo/issues/3849)
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* Add `math.Ceil`, `Floor`, and `Round` [19c59104](https://github.com/gohugoio/hugo/commit/19c5910485242838d6678c2aacd8501f7e646a53) [@moorereason](https://github.com/moorereason) [#3883](https://github.com/gohugoio/hugo/issues/3883)
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### Other
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* Use Chroma as new default syntax highlighter [fb33d828](https://github.com/gohugoio/hugo/commit/fb33d8286d78a78a74deb44355b621852a1c4033) [@bep](https://github.com/bep) [#3888](https://github.com/gohugoio/hugo/issues/3888)
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* Trim newlines in the hightlight shortcode [0d29a0f7](https://github.com/gohugoio/hugo/commit/0d29a0f7819e8d73149701052c29f090cd6db42b) [@bep](https://github.com/bep) [#3898](https://github.com/gohugoio/hugo/issues/3898)
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* Update `goorgeous` [b8fabce2](https://github.com/gohugoio/hugo/commit/b8fabce217fcb52e3f273491bef95c7977058732) [@bep](https://github.com/bep) [#3899](https://github.com/gohugoio/hugo/issues/3899)
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* Add `liveReloadPort` flag to server [b1804776](https://github.com/gohugoio/hugo/commit/b180477631555824a06293053e2b6e63c5f07361) [@bep](https://github.com/bep) [#3882](https://github.com/gohugoio/hugo/issues/3882)
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* Add `noHTTPCache` flag to hugo server (default on) [0b34af21](https://github.com/gohugoio/hugo/commit/0b34af216154367af7f53ce93d44e6b3d58c3f34) [@bep](https://github.com/bep) [#3897](https://github.com/gohugoio/hugo/issues/3897)
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* Make `noHTTPCache` default on [80c7ea60](https://github.com/gohugoio/hugo/commit/80c7ea60a0e0f488563a6b7311f3d4c23457aac7) [@bep](https://github.com/bep) [#3897](https://github.com/gohugoio/hugo/issues/3897)
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