Configuring GitHub Codespaces using devcontainers
GitHub Codespaces provides full development environments in your browser, and is free to use with anyone with a GitHub account.
automation
17 posts tagged “automation”.
- 2025
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3 min read
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How to get credentials for a new Twitter bot
I wanted to build a Twitter bot that would tweet Covid sewage graphs from this page every day. To do that, I needed the following four credentials for a new @covidsewage Twitter account.
1 min read -
Convert git log output to JSON using jq
I just spent way too long messing around with ChatGPT (transcript here) trying to figure this out. After much iteration, here's a recipe that works (mostly written by me at this point): The output…
1 min read -
Ensure labels exist in a GitHub repository
I wanted to ensure that when this template repository was used to create a new repo that repo would have a specific set of labels.
1 min read -
Combined release notes from GitHub with jq and paginate-json
Matt Holt asked: Is there a tool that uses the GitHub API to generate a doc with all release notes from a repo?
2 min read -
Conditionally creating directories in cookiecutter
I wanted my datasette-plugin cookiecutter template to create empty and directories if the user replied to the and prompts.
1 min read - 2024
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Back-dating Git commits based on file modification dates
https://www.w3.org/History/1991-WWW-NeXT/Implementation/ It's served up as a browseable Apache directory listing, but that's not the most delightful way to browse code - clicking a link to a file…
2 min read -
GitHub Actions, Issues and Pages to build a daily planner
I'm trying a new thing: a private daily planner, where each day I note down my goals for the day and make notes on my progress towards them as the day progresses.
1 min read -
Conditionally running a second job in a GitHub Actions workflow
My simonwillisonblog-backup workflow periodically creates a JSON backup of my blog's PostgreSQL database, using db-to-sqlite and sqlite-diffable.
1 min read -
Configuring Dependabot for a Python project
GitHub's Dependabot can automatically file PRs with bumps to dependencies when new versions of them are available.
1 min read - 2023
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Commit a file if it changed
This recipe runs a Python script to update a README, then commits it back to the parent repo but only if it has changed: My first attempt threw an error if I tried o run and the README had not…
1 min read -
Building and deploying a custom site using GitHub Actions and GitHub Pages
I figured out a minimal pattern for building a completely custom website using GitHub Actions and deploying the result to GitHub Pages. First you need to enable GitHub Pages for the repository.
1 min read -
Building Mastodon bots with GitHub Actions and toot
Twitter announced today that they'll be ending free API access for bots. My @covidsewage Twitter bot posts a screenshot of the latest Covid sewage data for parts of the San Francisco Bay Area every…
2 min read -
GitHub Actions job summaries
New feature announced here. Here's the full documentation. These are incredibly easy to use. GitHub creates a file in your workspace and puts the filename in , so you can build the summary markdown…
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Creating GitHub repository labels with an Actions workflow
Newly created GitHub repositories come with a default set of labels. I have several labels I like to add on top of these.
2 min read -
git bisect
I fixed two bugs in Datasette using - a tool which lets you run an automated binary search against a commit log to find the source of a bug.
1 min read -
Dump out all GitHub Actions context
Useful for seeing what's available for conditions (see context and expression syntax). I copied this example action from here and deployed it here. Here's an example run.
1 min read