December 2019 Updates

Date Published:
Last Modified:
  • A new section on Hugo timeouts added to the Hugo page.

  • Fixed three issues preventing me from upgrading from Hugo v0.54.0 to v0.60.1, and then upgraded! The two issues were:

    • Hugo was getting stuck while building the site upon upgrade from v0.56.3 to v0.57.0. Hugo would not report any error, but would not finish building the site even after waiting for 30mins. Memory usage would keep increasing until all system resources were consumed. I had a feeling that this may be due to infinite recursion occurring somewhere. I disabled the menu shortcode that I wrote, as that used recursion to build the menu structure, and then the Hugo build completed. After looking over the menu shortcode code and verifying that the recursion should be terminating properly, on a hunch I tried updating all the index.md pages to _index.md, which allowed me to re-enabled the menu shortcode.

    • Hugo would timeout with the following error:

      3:42:50 PM: Error: Error building site: "/opt/build/repo/content/electronics/projects/columbus-radio/index.md:1:1": timed out initializing value. This is most likely a circular loop in a shortcode

      but only when building on the CICD server (Netlify). I removed this columbus-radio page and would fail on another specific page. While these specific pages didn’t use any unique shortcodes that the other pages didn’t, I did notice that these pages contained a large number of image resources.

      A screenshot showing the number of image resources in the `columbus-radio` page.

      A screenshot showing the number of image resources in the `columbus-radio` page.

      Hugo had a default timeout of 10s per page, and pages with a large number of image resources were taking longer than this to process (the images are scaled and resampled). This was an easy fix, I just increased Hugo’s timeout to 30s in config.toml:

      timeout = 30000
    • Images and other HTML elements that used shortcodes disappeared from the website. This occurred between v0.59.1 and v0.60.0. This ended up being caused by Hugo’s switch from using Blackfriday to Goldmark as the default markdown renderer, and along with that the associated increase in the default security settings to now allow inline HTML within markdown. This issue was fixed by adding the following to config.toml:

          unsafe = true
  • Updated the Rust page with code examples showing how to use cargo, the basics of ownership, casting in Rust, and information on IDE support.

  • Added a new page on Map Tile Servers.

  • Updated the tmux page with a walk-through on how to install tmux from source.

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