Fixed bin/publish & updated

Gemfile

@@ -1,9 +1,9 @@
 # frozen_string_literal: true
 
 source "https://rubygems.org"
-gem "jekyll", "~> 4.1"
-gem "jekyll-feed", "~> 0.15.0"
-gem "jekyll-postcss", '~> 0.4.0'
+gem "jekyll", "~> 4.2"
+gem "jekyll-feed", "~> 0.15.1"
+gem "jekyll-postcss", '~> 0.5.0'
 gem "jekyll-purgecss"
 gem "jekyll-soopr-seo-tag"
 gem "jekyll-minifier"

bin/publish

@@ -1,3 +1,19 @@
 #!/bin/sh
+# This expects to run in your project home directory, e.g. `cookie`
+# This deletes & regenerates _site/ which you can `scp -R` to your web server
 
-bundle exec jekyll build
+JEKYLL_ENV=production bundle exec jekyll build "$@"
+
+# Hack: assume every *.html (except index) should be moved to a
+# subdirectory bearing its name; repeat for blog/ subdirectory
+for HTML in $(ls -1 _site/blog/*.html); do
+    DIR=$(basename $HTML .html)
+    mkdir "_site/blog/$DIR"
+    mv $HTML "_site/blog/$DIR/index.html"
+done
+
+for HTML in $(ls -1 _site/*.html | grep -v index.html); do
+    DIR=$(basename $HTML .html)
+    mkdir "_site/$DIR" >/dev/null 2>&1  # blog/ already exists
+    mv $HTML "_site/$DIR/index.html"
+done