jasonkarns’s gists

jasonkarns / db.rake

Created April 2, 2026 17:06

	namespace :db do
	task disconnect: :environment do
	ActiveRecord::Base.clear_all_connections!
	end

	desc "Run migrations from scratch (destructive!!) to validate the veracity of the versioned schema."
	task lint: %w[environment disconnect drop create migrate] do
	schema = ActiveRecord::Tasks::DatabaseTasks.schema_dump_path ActiveRecord::Base.connection_db_config

	sh(*%w[git diff --exit-code --], schema) do \|ok, res\|

jasonkarns / diff-assets.rake

Created April 2, 2026 15:04

	desc "Compare frontend asset builds between branches"
	task :diffassets, [:branch] do \|t, args\|
	sh "git diff-index --quiet HEAD --" do \|ok, res\|
	abort "Working directory not clean. Stash or commit first." unless ok
	end

	args.with_defaults(branch: "-") # git's magic for "last branch"

	# start in main, do clean asset build, and temporarily force-add to git
	sh "git switch main"

jasonkarns / Gemfile

Created January 27, 2026 00:56

Minimal repro: standardrb exe differs from rake task

	gem "standard"
	gem "stripe"

jasonkarns / .circleci_config.yml

Last active April 21, 2025 21:04

Partition RSpec files across runners in a stable way to support deterministic sharding.

	jobs:
	build:
	docker: [image: cimg/ruby:3.4.3]
	parallelism: 4
	steps:
	- checkout
	- run: script/test spec:ci[$((${CIRCLE_NODE_INDEX}+1))/${CIRCLE_NODE_TOTAL}]

jasonkarns / rubocop-ruby.rake

Last active May 23, 2025 01:16

Print the target ruby version derived by rubocop

	namespace :rubocop do
	task :ruby do
	require "rubocop"

	config = RuboCop::ConfigStore.new.for_dir Dir.pwd
	target = RuboCop::TargetRuby.new(config)

	if Rake.application.options.trace \|\| verbose == true
	rake_output_message "derived target ruby version (last wins):"
	rake_output_message target.class.const_get(:SOURCES).reverse.map { \|s\| s.new config }

jasonkarns / Subscriptions.opml

Created October 2, 2024 01:21

	<?xml version="1.0" encoding="UTF-8"?>
	<!-- OPML generated by NetNewsWire -->
	<opml version="1.1">
	<head>
	<title>Subscriptions.opml</title>
	</head>
	<body>
	<outline text="0X404DEAD" title="0X404DEAD">
	<outline text="Andy Budd" title="Andy Budd" description="" type="rss" version="RSS" htmlUrl="http://www.andybudd.com/" xmlUrl="http://www.andybudd.com/index.rdf"/>
	<outline text="Ben Alman » News" title="Ben Alman » News" description="" type="rss" version="RSS" htmlUrl="http://pipes.yahoo.com/pipes/pipe.info?_id=7pC7HRAi3RGGdfjlMlrX_Q" xmlUrl="http://feeds.benalman.com/benalman/"/>

jasonkarns / bit_inquirer.rb

Created July 16, 2022 21:50

BitInquirer

	class BitInquirer
	def self.[](mask_map)
	Class.new(SimpleDelegator) do
	mask_map.each do \|name, mask\|
	define_method name do
	allbits?(mask)
	end
	end
	end
	end

jasonkarns / mailer_preview_helper.rb

Last active May 27, 2021 15:23

A helper to generate mailer previews automatically (or more easily) for each action that exists on the mailer.

	module MailerPreviewHelper
	extend ActiveSupport::Concern

	included do
	# Allows a mailer preview to override `params` method (either class or instance level)
	# to define the hash that will be passed to the mailer by default by the `preview` helper.
	class_attribute :params, default: {}, instance_accessor: false

	mailer.instance_methods(false).each do \|action\|
	define_method(action) { mailer.with(**params).send action }

jasonkarns / npm_package.txt

Created August 26, 2020 02:53

npm_package environs

	$ grep -RIho -E '\$npm_package_[_0-9a-z]*' . 2>/dev/null \| sort -u
	$npm_package_
	$npm_package_actions
	$npm_package_bin_brew_publish
	$npm_package_bin_node_build
	$npm_package_bin_packfiles
	$npm_package_bin_validate_analytics_data
	$npm_package_browser
	$npm_package_config_
	$npm_package_config_app

jasonkarns / npx.bash

Created January 4, 2019 22:19

nodenv exec hook to make npx happy

Jason Karns jasonkarns